./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 83ea03e3a970ed9a04e84a7095cded72c8faa028a8061c6de69ab7c540d420f5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 12:36:21,103 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 12:36:21,162 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-12-02 12:36:21,167 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 12:36:21,168 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 12:36:21,190 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 12:36:21,190 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 12:36:21,190 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 12:36:21,191 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 12:36:21,191 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 12:36:21,191 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 12:36:21,191 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 12:36:21,191 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 12:36:21,191 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 12:36:21,192 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 12:36:21,192 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 12:36:21,192 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 12:36:21,192 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 12:36:21,192 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 12:36:21,192 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 12:36:21,192 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 12:36:21,192 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 12:36:21,192 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 12:36:21,193 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 12:36:21,193 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-02 12:36:21,193 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-02 12:36:21,193 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 12:36:21,193 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 12:36:21,193 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 12:36:21,193 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 12:36:21,193 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 12:36:21,193 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 12:36:21,193 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 12:36:21,193 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 12:36:21,194 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:36:21,194 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 12:36:21,194 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 12:36:21,194 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 12:36:21,194 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 12:36:21,194 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:36:21,194 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 12:36:21,194 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 12:36:21,194 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 12:36:21,194 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 12:36:21,194 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 12:36:21,195 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 12:36:21,195 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 12:36:21,195 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 12:36:21,195 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 12:36:21,195 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 12:36:21,195 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 83ea03e3a970ed9a04e84a7095cded72c8faa028a8061c6de69ab7c540d420f5 [2024-12-02 12:36:21,444 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 12:36:21,452 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 12:36:21,454 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 12:36:21,455 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 12:36:21,456 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 12:36:21,457 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound100.c [2024-12-02 12:36:24,201 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/data/ae4afc60e/4decc2ff289f4b98b9487980b9c71618/FLAG38a665f8a [2024-12-02 12:36:24,357 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 12:36:24,358 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound100.c [2024-12-02 12:36:24,365 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/data/ae4afc60e/4decc2ff289f4b98b9487980b9c71618/FLAG38a665f8a [2024-12-02 12:36:24,379 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/data/ae4afc60e/4decc2ff289f4b98b9487980b9c71618 [2024-12-02 12:36:24,382 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 12:36:24,383 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 12:36:24,384 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 12:36:24,384 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 12:36:24,389 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 12:36:24,389 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:36:24" (1/1) ... [2024-12-02 12:36:24,390 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fd0c8b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:36:24, skipping insertion in model container [2024-12-02 12:36:24,390 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:36:24" (1/1) ... [2024-12-02 12:36:24,404 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 12:36:24,550 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 12:36:24,558 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 12:36:24,575 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 12:36:24,588 INFO L204 MainTranslator]: Completed translation [2024-12-02 12:36:24,588 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:36:24 WrapperNode [2024-12-02 12:36:24,588 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 12:36:24,589 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 12:36:24,589 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 12:36:24,589 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 12:36:24,595 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:36:24" (1/1) ... [2024-12-02 12:36:24,601 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:36:24" (1/1) ... [2024-12-02 12:36:24,620 INFO L138 Inliner]: procedures = 14, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 101 [2024-12-02 12:36:24,620 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 12:36:24,621 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 12:36:24,621 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 12:36:24,621 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 12:36:24,629 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:36:24" (1/1) ... [2024-12-02 12:36:24,630 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:36:24" (1/1) ... [2024-12-02 12:36:24,631 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:36:24" (1/1) ... [2024-12-02 12:36:24,642 INFO L175 MemorySlicer]: Split 10 memory accesses to 2 slices as follows [2, 8]. 80 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 8]. The 0 writes are split as follows [0, 0]. [2024-12-02 12:36:24,642 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:36:24" (1/1) ... [2024-12-02 12:36:24,642 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:36:24" (1/1) ... [2024-12-02 12:36:24,645 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:36:24" (1/1) ... [2024-12-02 12:36:24,646 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:36:24" (1/1) ... [2024-12-02 12:36:24,649 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:36:24" (1/1) ... [2024-12-02 12:36:24,649 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:36:24" (1/1) ... [2024-12-02 12:36:24,650 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:36:24" (1/1) ... [2024-12-02 12:36:24,651 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 12:36:24,652 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 12:36:24,652 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 12:36:24,652 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 12:36:24,653 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:36:24" (1/1) ... [2024-12-02 12:36:24,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:36:24,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:36:24,682 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 12:36:24,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 12:36:24,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 12:36:24,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 12:36:24,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 12:36:24,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 12:36:24,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 12:36:24,710 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-02 12:36:24,710 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-02 12:36:24,765 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 12:36:24,767 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 12:36:24,971 INFO L? ?]: Removed 53 outVars from TransFormulas that were not future-live. [2024-12-02 12:36:24,971 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 12:36:24,980 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 12:36:24,980 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 12:36:24,981 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:36:24 BoogieIcfgContainer [2024-12-02 12:36:24,981 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 12:36:24,983 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 12:36:24,983 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 12:36:24,986 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 12:36:24,986 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:36:24" (1/3) ... [2024-12-02 12:36:24,987 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@109b4f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:36:24, skipping insertion in model container [2024-12-02 12:36:24,987 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:36:24" (2/3) ... [2024-12-02 12:36:24,987 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@109b4f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:36:24, skipping insertion in model container [2024-12-02 12:36:24,987 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:36:24" (3/3) ... [2024-12-02 12:36:24,988 INFO L128 eAbstractionObserver]: Analyzing ICFG hard2_unwindbound100.c [2024-12-02 12:36:25,001 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 12:36:25,002 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hard2_unwindbound100.c that has 2 procedures, 82 locations, 1 initial locations, 2 loop locations, and 28 error locations. [2024-12-02 12:36:25,053 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 12:36:25,064 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2b91188b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 12:36:25,065 INFO L334 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2024-12-02 12:36:25,068 INFO L276 IsEmpty]: Start isEmpty. Operand has 82 states, 45 states have (on average 1.8) internal successors, (81), 73 states have internal predecessors, (81), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-12-02 12:36:25,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-02 12:36:25,073 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:36:25,073 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-12-02 12:36:25,074 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-12-02 12:36:25,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:36:25,079 INFO L85 PathProgramCache]: Analyzing trace with hash 925636, now seen corresponding path program 1 times [2024-12-02 12:36:25,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:36:25,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506109263] [2024-12-02 12:36:25,086 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:36:25,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:36:25,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:36:25,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 12:36:25,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:36:25,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506109263] [2024-12-02 12:36:25,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [506109263] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:36:25,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:36:25,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 12:36:25,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208122571] [2024-12-02 12:36:25,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:36:25,258 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 12:36:25,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:36:25,271 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 12:36:25,272 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 12:36:25,273 INFO L87 Difference]: Start difference. First operand has 82 states, 45 states have (on average 1.8) internal successors, (81), 73 states have internal predecessors, (81), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 12:36:25,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:36:25,347 INFO L93 Difference]: Finished difference Result 165 states and 202 transitions. [2024-12-02 12:36:25,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:36:25,349 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-12-02 12:36:25,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:36:25,356 INFO L225 Difference]: With dead ends: 165 [2024-12-02 12:36:25,356 INFO L226 Difference]: Without dead ends: 78 [2024-12-02 12:36:25,359 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:36:25,362 INFO L435 NwaCegarLoop]: 87 mSDtfsCounter, 4 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:36:25,363 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 253 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:36:25,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-12-02 12:36:25,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2024-12-02 12:36:25,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 44 states have (on average 1.7272727272727273) internal successors, (76), 71 states have internal predecessors, (76), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-12-02 12:36:25,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 86 transitions. [2024-12-02 12:36:25,403 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 86 transitions. Word has length 4 [2024-12-02 12:36:25,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:36:25,403 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 86 transitions. [2024-12-02 12:36:25,404 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 12:36:25,404 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 86 transitions. [2024-12-02 12:36:25,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-02 12:36:25,405 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:36:25,405 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:36:25,405 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 12:36:25,406 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-12-02 12:36:25,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:36:25,406 INFO L85 PathProgramCache]: Analyzing trace with hash 1496348935, now seen corresponding path program 1 times [2024-12-02 12:36:25,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:36:25,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518329218] [2024-12-02 12:36:25,407 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:36:25,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:36:25,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 12:36:25,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [606884442] [2024-12-02 12:36:25,431 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:36:25,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:36:25,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:36:25,433 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:36:25,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 12:36:25,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:36:25,491 INFO L256 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 12:36:25,495 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:36:25,576 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 12:36:25,576 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:36:25,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:36:25,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518329218] [2024-12-02 12:36:25,577 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-12-02 12:36:25,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [606884442] [2024-12-02 12:36:25,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [606884442] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:36:25,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:36:25,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 12:36:25,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065761612] [2024-12-02 12:36:25,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:36:25,579 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:36:25,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:36:25,579 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:36:25,579 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:36:25,580 INFO L87 Difference]: Start difference. First operand 78 states and 86 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 12:36:25,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:36:25,707 INFO L93 Difference]: Finished difference Result 167 states and 191 transitions. [2024-12-02 12:36:25,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:36:25,708 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 17 [2024-12-02 12:36:25,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:36:25,709 INFO L225 Difference]: With dead ends: 167 [2024-12-02 12:36:25,709 INFO L226 Difference]: Without dead ends: 113 [2024-12-02 12:36:25,709 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:36:25,710 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 29 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 12:36:25,711 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 118 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 12:36:25,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2024-12-02 12:36:25,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 101. [2024-12-02 12:36:25,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 62 states have (on average 1.6774193548387097) internal successors, (104), 89 states have internal predecessors, (104), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-12-02 12:36:25,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 124 transitions. [2024-12-02 12:36:25,720 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 124 transitions. Word has length 17 [2024-12-02 12:36:25,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:36:25,721 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 124 transitions. [2024-12-02 12:36:25,721 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 12:36:25,721 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 124 transitions. [2024-12-02 12:36:25,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-02 12:36:25,722 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:36:25,722 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:36:25,728 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 12:36:25,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:36:25,922 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-12-02 12:36:25,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:36:25,923 INFO L85 PathProgramCache]: Analyzing trace with hash 328891425, now seen corresponding path program 1 times [2024-12-02 12:36:25,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:36:25,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914267053] [2024-12-02 12:36:25,923 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:36:25,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:36:25,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:36:26,021 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-02 12:36:26,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:36:26,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914267053] [2024-12-02 12:36:26,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914267053] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:36:26,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:36:26,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 12:36:26,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457452779] [2024-12-02 12:36:26,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:36:26,022 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:36:26,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:36:26,023 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:36:26,023 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:36:26,023 INFO L87 Difference]: Start difference. First operand 101 states and 124 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-12-02 12:36:26,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:36:26,069 INFO L93 Difference]: Finished difference Result 113 states and 131 transitions. [2024-12-02 12:36:26,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:36:26,069 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 25 [2024-12-02 12:36:26,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:36:26,071 INFO L225 Difference]: With dead ends: 113 [2024-12-02 12:36:26,071 INFO L226 Difference]: Without dead ends: 111 [2024-12-02 12:36:26,071 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:36:26,072 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 23 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:36:26,072 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 131 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:36:26,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-12-02 12:36:26,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 101. [2024-12-02 12:36:26,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 62 states have (on average 1.6451612903225807) internal successors, (102), 89 states have internal predecessors, (102), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-12-02 12:36:26,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 122 transitions. [2024-12-02 12:36:26,082 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 122 transitions. Word has length 25 [2024-12-02 12:36:26,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:36:26,082 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 122 transitions. [2024-12-02 12:36:26,082 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-12-02 12:36:26,082 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 122 transitions. [2024-12-02 12:36:26,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-02 12:36:26,083 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:36:26,083 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:36:26,083 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 12:36:26,083 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-12-02 12:36:26,084 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:36:26,084 INFO L85 PathProgramCache]: Analyzing trace with hash 1605698107, now seen corresponding path program 1 times [2024-12-02 12:36:26,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:36:26,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053340641] [2024-12-02 12:36:26,084 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:36:26,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:36:26,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:36:26,192 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-02 12:36:26,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:36:26,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053340641] [2024-12-02 12:36:26,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2053340641] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:36:26,192 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:36:26,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 12:36:26,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175837950] [2024-12-02 12:36:26,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:36:26,193 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 12:36:26,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:36:26,193 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 12:36:26,193 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-12-02 12:36:26,194 INFO L87 Difference]: Start difference. First operand 101 states and 122 transitions. Second operand has 7 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 7 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-12-02 12:36:26,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:36:26,288 INFO L93 Difference]: Finished difference Result 124 states and 137 transitions. [2024-12-02 12:36:26,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 12:36:26,288 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 7 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 26 [2024-12-02 12:36:26,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:36:26,289 INFO L225 Difference]: With dead ends: 124 [2024-12-02 12:36:26,289 INFO L226 Difference]: Without dead ends: 123 [2024-12-02 12:36:26,290 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-12-02 12:36:26,290 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 46 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 380 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 12:36:26,291 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 380 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 12:36:26,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2024-12-02 12:36:26,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 105. [2024-12-02 12:36:26,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 65 states have (on average 1.6) internal successors, (104), 92 states have internal predecessors, (104), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-12-02 12:36:26,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 124 transitions. [2024-12-02 12:36:26,301 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 124 transitions. Word has length 26 [2024-12-02 12:36:26,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:36:26,301 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 124 transitions. [2024-12-02 12:36:26,301 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 7 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-12-02 12:36:26,301 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 124 transitions. [2024-12-02 12:36:26,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-02 12:36:26,302 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:36:26,302 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:36:26,302 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 12:36:26,302 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-12-02 12:36:26,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:36:26,303 INFO L85 PathProgramCache]: Analyzing trace with hash -1762966159, now seen corresponding path program 1 times [2024-12-02 12:36:26,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:36:26,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481026295] [2024-12-02 12:36:26,303 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:36:26,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:36:26,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:36:26,390 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-02 12:36:26,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:36:26,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481026295] [2024-12-02 12:36:26,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1481026295] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:36:26,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:36:26,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 12:36:26,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816620011] [2024-12-02 12:36:26,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:36:26,391 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 12:36:26,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:36:26,392 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 12:36:26,392 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-12-02 12:36:26,392 INFO L87 Difference]: Start difference. First operand 105 states and 124 transitions. Second operand has 7 states, 6 states have (on average 2.5) internal successors, (15), 7 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-12-02 12:36:26,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:36:26,471 INFO L93 Difference]: Finished difference Result 123 states and 139 transitions. [2024-12-02 12:36:26,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 12:36:26,472 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.5) internal successors, (15), 7 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 27 [2024-12-02 12:36:26,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:36:26,473 INFO L225 Difference]: With dead ends: 123 [2024-12-02 12:36:26,473 INFO L226 Difference]: Without dead ends: 114 [2024-12-02 12:36:26,473 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-12-02 12:36:26,474 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 21 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 419 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 12:36:26,474 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 419 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 12:36:26,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-12-02 12:36:26,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 109. [2024-12-02 12:36:26,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 68 states have (on average 1.5441176470588236) internal successors, (105), 95 states have internal predecessors, (105), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-12-02 12:36:26,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 125 transitions. [2024-12-02 12:36:26,484 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 125 transitions. Word has length 27 [2024-12-02 12:36:26,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:36:26,484 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 125 transitions. [2024-12-02 12:36:26,485 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.5) internal successors, (15), 7 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-12-02 12:36:26,485 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 125 transitions. [2024-12-02 12:36:26,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-02 12:36:26,485 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:36:26,485 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:36:26,486 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 12:36:26,486 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-12-02 12:36:26,486 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:36:26,486 INFO L85 PathProgramCache]: Analyzing trace with hash -1993361642, now seen corresponding path program 1 times [2024-12-02 12:36:26,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:36:26,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910989554] [2024-12-02 12:36:26,487 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:36:26,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:36:26,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 12:36:26,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [965078776] [2024-12-02 12:36:26,501 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:36:26,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:36:26,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:36:26,503 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:36:26,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 12:36:26,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:36:26,547 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 12:36:26,549 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:36:26,598 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-02 12:36:26,598 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:36:26,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:36:26,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910989554] [2024-12-02 12:36:26,598 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-12-02 12:36:26,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [965078776] [2024-12-02 12:36:26,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [965078776] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:36:26,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:36:26,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 12:36:26,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105260298] [2024-12-02 12:36:26,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:36:26,599 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:36:26,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:36:26,600 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:36:26,600 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:36:26,600 INFO L87 Difference]: Start difference. First operand 109 states and 125 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-12-02 12:36:26,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:36:26,657 INFO L93 Difference]: Finished difference Result 149 states and 175 transitions. [2024-12-02 12:36:26,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:36:26,657 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 29 [2024-12-02 12:36:26,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:36:26,659 INFO L225 Difference]: With dead ends: 149 [2024-12-02 12:36:26,659 INFO L226 Difference]: Without dead ends: 145 [2024-12-02 12:36:26,659 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:36:26,660 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 45 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:36:26,660 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 105 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:36:26,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2024-12-02 12:36:26,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 129. [2024-12-02 12:36:26,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 86 states have (on average 1.558139534883721) internal successors, (134), 113 states have internal predecessors, (134), 12 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-12-02 12:36:26,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 158 transitions. [2024-12-02 12:36:26,681 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 158 transitions. Word has length 29 [2024-12-02 12:36:26,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:36:26,681 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 158 transitions. [2024-12-02 12:36:26,681 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-12-02 12:36:26,682 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 158 transitions. [2024-12-02 12:36:26,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-02 12:36:26,682 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:36:26,682 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:36:26,691 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 12:36:26,884 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:36:26,884 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-12-02 12:36:26,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:36:26,885 INFO L85 PathProgramCache]: Analyzing trace with hash -244664895, now seen corresponding path program 1 times [2024-12-02 12:36:26,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:36:26,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072583080] [2024-12-02 12:36:26,885 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:36:26,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:36:26,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:36:26,972 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-02 12:36:26,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:36:26,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072583080] [2024-12-02 12:36:26,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2072583080] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:36:26,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1479592907] [2024-12-02 12:36:26,973 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:36:26,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:36:26,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:36:26,975 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:36:26,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 12:36:27,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:36:27,020 INFO L256 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 12:36:27,022 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:36:27,111 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-02 12:36:27,111 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:36:27,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1479592907] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:36:27,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 12:36:27,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-12-02 12:36:27,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061445966] [2024-12-02 12:36:27,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:36:27,112 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:36:27,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:36:27,112 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:36:27,112 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-12-02 12:36:27,112 INFO L87 Difference]: Start difference. First operand 129 states and 158 transitions. Second operand has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-12-02 12:36:27,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:36:27,143 INFO L93 Difference]: Finished difference Result 138 states and 166 transitions. [2024-12-02 12:36:27,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 12:36:27,144 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 30 [2024-12-02 12:36:27,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:36:27,145 INFO L225 Difference]: With dead ends: 138 [2024-12-02 12:36:27,145 INFO L226 Difference]: Without dead ends: 137 [2024-12-02 12:36:27,145 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-12-02 12:36:27,146 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 19 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:36:27,146 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 198 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:36:27,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2024-12-02 12:36:27,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 132. [2024-12-02 12:36:27,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 89 states have (on average 1.5280898876404494) internal successors, (136), 115 states have internal predecessors, (136), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-12-02 12:36:27,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 160 transitions. [2024-12-02 12:36:27,157 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 160 transitions. Word has length 30 [2024-12-02 12:36:27,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:36:27,157 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 160 transitions. [2024-12-02 12:36:27,157 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-12-02 12:36:27,157 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 160 transitions. [2024-12-02 12:36:27,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-02 12:36:27,158 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:36:27,158 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:36:27,166 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-02 12:36:27,358 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:36:27,359 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-12-02 12:36:27,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:36:27,359 INFO L85 PathProgramCache]: Analyzing trace with hash -65121192, now seen corresponding path program 1 times [2024-12-02 12:36:27,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:36:27,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678752684] [2024-12-02 12:36:27,359 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:36:27,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:36:27,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 12:36:27,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [389276923] [2024-12-02 12:36:27,373 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:36:27,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:36:27,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:36:27,375 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:36:27,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-02 12:36:27,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:36:27,414 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 12:36:27,415 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:36:27,509 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-02 12:36:27,509 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:36:27,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:36:27,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678752684] [2024-12-02 12:36:27,509 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-12-02 12:36:27,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [389276923] [2024-12-02 12:36:27,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [389276923] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:36:27,510 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:36:27,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 12:36:27,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125755347] [2024-12-02 12:36:27,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:36:27,510 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:36:27,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:36:27,511 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:36:27,511 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:36:27,511 INFO L87 Difference]: Start difference. First operand 132 states and 160 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-12-02 12:36:27,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:36:27,567 INFO L93 Difference]: Finished difference Result 146 states and 167 transitions. [2024-12-02 12:36:27,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:36:27,568 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 31 [2024-12-02 12:36:27,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:36:27,569 INFO L225 Difference]: With dead ends: 146 [2024-12-02 12:36:27,569 INFO L226 Difference]: Without dead ends: 144 [2024-12-02 12:36:27,569 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:36:27,569 INFO L435 NwaCegarLoop]: 64 mSDtfsCounter, 38 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:36:27,569 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 96 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:36:27,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2024-12-02 12:36:27,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 133. [2024-12-02 12:36:27,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 90 states have (on average 1.5) internal successors, (135), 116 states have internal predecessors, (135), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-12-02 12:36:27,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 159 transitions. [2024-12-02 12:36:27,579 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 159 transitions. Word has length 31 [2024-12-02 12:36:27,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:36:27,579 INFO L471 AbstractCegarLoop]: Abstraction has 133 states and 159 transitions. [2024-12-02 12:36:27,580 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-12-02 12:36:27,580 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 159 transitions. [2024-12-02 12:36:27,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-02 12:36:27,580 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:36:27,580 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:36:27,586 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-12-02 12:36:27,781 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:36:27,781 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-12-02 12:36:27,781 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:36:27,781 INFO L85 PathProgramCache]: Analyzing trace with hash 1005322887, now seen corresponding path program 1 times [2024-12-02 12:36:27,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:36:27,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273151864] [2024-12-02 12:36:27,782 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:36:27,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:36:27,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:36:27,856 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-02 12:36:27,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:36:27,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273151864] [2024-12-02 12:36:27,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273151864] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:36:27,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [27654836] [2024-12-02 12:36:27,856 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:36:27,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:36:27,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:36:27,858 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:36:27,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-02 12:36:27,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:36:27,899 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 12:36:27,900 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:36:27,959 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-02 12:36:27,959 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:36:27,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [27654836] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:36:27,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 12:36:27,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-12-02 12:36:27,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011268194] [2024-12-02 12:36:27,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:36:27,960 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:36:27,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:36:27,960 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:36:27,960 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-12-02 12:36:27,960 INFO L87 Difference]: Start difference. First operand 133 states and 159 transitions. Second operand has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-12-02 12:36:28,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:36:28,024 INFO L93 Difference]: Finished difference Result 138 states and 164 transitions. [2024-12-02 12:36:28,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:36:28,025 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 31 [2024-12-02 12:36:28,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:36:28,026 INFO L225 Difference]: With dead ends: 138 [2024-12-02 12:36:28,026 INFO L226 Difference]: Without dead ends: 137 [2024-12-02 12:36:28,026 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-12-02 12:36:28,027 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 16 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 269 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:36:28,027 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 269 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:36:28,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2024-12-02 12:36:28,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 132. [2024-12-02 12:36:28,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 90 states have (on average 1.488888888888889) internal successors, (134), 115 states have internal predecessors, (134), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-12-02 12:36:28,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 158 transitions. [2024-12-02 12:36:28,043 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 158 transitions. Word has length 31 [2024-12-02 12:36:28,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:36:28,043 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 158 transitions. [2024-12-02 12:36:28,043 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-12-02 12:36:28,043 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 158 transitions. [2024-12-02 12:36:28,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-12-02 12:36:28,044 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:36:28,044 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:36:28,053 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-12-02 12:36:28,244 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:36:28,245 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-12-02 12:36:28,245 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:36:28,245 INFO L85 PathProgramCache]: Analyzing trace with hash -2018756862, now seen corresponding path program 1 times [2024-12-02 12:36:28,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:36:28,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328203429] [2024-12-02 12:36:28,245 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:36:28,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:36:28,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:36:28,313 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-02 12:36:28,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:36:28,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328203429] [2024-12-02 12:36:28,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [328203429] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:36:28,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:36:28,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 12:36:28,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506847581] [2024-12-02 12:36:28,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:36:28,314 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:36:28,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:36:28,314 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:36:28,314 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:36:28,314 INFO L87 Difference]: Start difference. First operand 132 states and 158 transitions. Second operand has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-12-02 12:36:28,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:36:28,570 INFO L93 Difference]: Finished difference Result 152 states and 184 transitions. [2024-12-02 12:36:28,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 12:36:28,570 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 32 [2024-12-02 12:36:28,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:36:28,571 INFO L225 Difference]: With dead ends: 152 [2024-12-02 12:36:28,572 INFO L226 Difference]: Without dead ends: 151 [2024-12-02 12:36:28,572 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 12:36:28,572 INFO L435 NwaCegarLoop]: 54 mSDtfsCounter, 90 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 12:36:28,573 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 159 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 12:36:28,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2024-12-02 12:36:28,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 140. [2024-12-02 12:36:28,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 98 states have (on average 1.489795918367347) internal successors, (146), 123 states have internal predecessors, (146), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-12-02 12:36:28,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 170 transitions. [2024-12-02 12:36:28,585 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 170 transitions. Word has length 32 [2024-12-02 12:36:28,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:36:28,585 INFO L471 AbstractCegarLoop]: Abstraction has 140 states and 170 transitions. [2024-12-02 12:36:28,585 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-12-02 12:36:28,585 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 170 transitions. [2024-12-02 12:36:28,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-02 12:36:28,586 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:36:28,586 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:36:28,586 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 12:36:28,586 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-12-02 12:36:28,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:36:28,587 INFO L85 PathProgramCache]: Analyzing trace with hash 767217160, now seen corresponding path program 1 times [2024-12-02 12:36:28,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:36:28,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183295845] [2024-12-02 12:36:28,587 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:36:28,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:36:28,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:36:28,661 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-02 12:36:28,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:36:28,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183295845] [2024-12-02 12:36:28,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [183295845] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:36:28,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [383850158] [2024-12-02 12:36:28,662 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:36:28,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:36:28,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:36:28,664 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:36:28,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-12-02 12:36:28,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:36:28,702 INFO L256 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 12:36:28,703 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:36:28,760 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-02 12:36:28,761 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:36:28,843 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-02 12:36:28,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [383850158] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 12:36:28,843 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 12:36:28,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 6] total 13 [2024-12-02 12:36:28,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609135832] [2024-12-02 12:36:28,844 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 12:36:28,844 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 12:36:28,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:36:28,845 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 12:36:28,845 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2024-12-02 12:36:28,845 INFO L87 Difference]: Start difference. First operand 140 states and 170 transitions. Second operand has 13 states, 13 states have (on average 3.6923076923076925) internal successors, (48), 13 states have internal predecessors, (48), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-12-02 12:36:28,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:36:28,978 INFO L93 Difference]: Finished difference Result 281 states and 342 transitions. [2024-12-02 12:36:28,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-02 12:36:28,979 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.6923076923076925) internal successors, (48), 13 states have internal predecessors, (48), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 34 [2024-12-02 12:36:28,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:36:28,980 INFO L225 Difference]: With dead ends: 281 [2024-12-02 12:36:28,980 INFO L226 Difference]: Without dead ends: 202 [2024-12-02 12:36:28,980 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2024-12-02 12:36:28,981 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 65 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 398 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 12:36:28,981 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 398 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 12:36:28,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2024-12-02 12:36:28,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 180. [2024-12-02 12:36:28,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 130 states have (on average 1.476923076923077) internal successors, (192), 155 states have internal predecessors, (192), 18 states have call successors, (18), 6 states have call predecessors, (18), 6 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-02 12:36:28,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 228 transitions. [2024-12-02 12:36:28,997 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 228 transitions. Word has length 34 [2024-12-02 12:36:28,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:36:28,997 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 228 transitions. [2024-12-02 12:36:28,997 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.6923076923076925) internal successors, (48), 13 states have internal predecessors, (48), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-12-02 12:36:28,998 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 228 transitions. [2024-12-02 12:36:28,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-02 12:36:28,998 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:36:28,998 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:36:29,007 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-12-02 12:36:29,199 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:36:29,199 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-12-02 12:36:29,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:36:29,199 INFO L85 PathProgramCache]: Analyzing trace with hash -874625494, now seen corresponding path program 1 times [2024-12-02 12:36:29,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:36:29,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220652419] [2024-12-02 12:36:29,200 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:36:29,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:36:29,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 12:36:29,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1647061550] [2024-12-02 12:36:29,210 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:36:29,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:36:29,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:36:29,212 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:36:29,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-12-02 12:36:29,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:36:29,255 INFO L256 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 12:36:29,256 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:36:29,355 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-02 12:36:29,356 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:36:29,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:36:29,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220652419] [2024-12-02 12:36:29,356 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-12-02 12:36:29,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1647061550] [2024-12-02 12:36:29,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1647061550] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:36:29,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:36:29,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:36:29,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216863794] [2024-12-02 12:36:29,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:36:29,357 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 12:36:29,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:36:29,357 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 12:36:29,357 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-12-02 12:36:29,357 INFO L87 Difference]: Start difference. First operand 180 states and 228 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-12-02 12:36:29,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:36:29,438 INFO L93 Difference]: Finished difference Result 216 states and 267 transitions. [2024-12-02 12:36:29,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 12:36:29,438 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 43 [2024-12-02 12:36:29,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:36:29,439 INFO L225 Difference]: With dead ends: 216 [2024-12-02 12:36:29,440 INFO L226 Difference]: Without dead ends: 207 [2024-12-02 12:36:29,440 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-12-02 12:36:29,440 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 79 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 12:36:29,441 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 125 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 12:36:29,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2024-12-02 12:36:29,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 189. [2024-12-02 12:36:29,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 141 states have (on average 1.3971631205673758) internal successors, (197), 162 states have internal predecessors, (197), 20 states have call successors, (20), 6 states have call predecessors, (20), 6 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-12-02 12:36:29,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 237 transitions. [2024-12-02 12:36:29,457 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 237 transitions. Word has length 43 [2024-12-02 12:36:29,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:36:29,458 INFO L471 AbstractCegarLoop]: Abstraction has 189 states and 237 transitions. [2024-12-02 12:36:29,458 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-12-02 12:36:29,458 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 237 transitions. [2024-12-02 12:36:29,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-12-02 12:36:29,458 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:36:29,458 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:36:29,467 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-12-02 12:36:29,659 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:36:29,659 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-12-02 12:36:29,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:36:29,659 INFO L85 PathProgramCache]: Analyzing trace with hash -1343586486, now seen corresponding path program 1 times [2024-12-02 12:36:29,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:36:29,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043192386] [2024-12-02 12:36:29,659 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:36:29,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:36:29,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 12:36:29,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [954427632] [2024-12-02 12:36:29,671 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:36:29,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:36:29,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:36:29,672 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:36:29,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-12-02 12:36:29,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:36:29,716 INFO L256 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 12:36:29,718 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:36:29,812 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-02 12:36:29,812 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:36:30,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:36:30,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043192386] [2024-12-02 12:36:30,071 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-12-02 12:36:30,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [954427632] [2024-12-02 12:36:30,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [954427632] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:36:30,072 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-12-02 12:36:30,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2024-12-02 12:36:30,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733627904] [2024-12-02 12:36:30,072 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-12-02 12:36:30,072 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 12:36:30,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:36:30,072 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 12:36:30,072 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-12-02 12:36:30,073 INFO L87 Difference]: Start difference. First operand 189 states and 237 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-12-02 12:36:30,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:36:30,193 INFO L93 Difference]: Finished difference Result 286 states and 361 transitions. [2024-12-02 12:36:30,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 12:36:30,194 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 44 [2024-12-02 12:36:30,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:36:30,196 INFO L225 Difference]: With dead ends: 286 [2024-12-02 12:36:30,196 INFO L226 Difference]: Without dead ends: 282 [2024-12-02 12:36:30,196 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-12-02 12:36:30,196 INFO L435 NwaCegarLoop]: 69 mSDtfsCounter, 66 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 12:36:30,197 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 166 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 12:36:30,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2024-12-02 12:36:30,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 250. [2024-12-02 12:36:30,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250 states, 196 states have (on average 1.433673469387755) internal successors, (281), 217 states have internal predecessors, (281), 26 states have call successors, (26), 6 states have call predecessors, (26), 6 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-12-02 12:36:30,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 333 transitions. [2024-12-02 12:36:30,218 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 333 transitions. Word has length 44 [2024-12-02 12:36:30,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:36:30,219 INFO L471 AbstractCegarLoop]: Abstraction has 250 states and 333 transitions. [2024-12-02 12:36:30,219 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-12-02 12:36:30,219 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 333 transitions. [2024-12-02 12:36:30,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-12-02 12:36:30,220 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:36:30,220 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:36:30,228 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-12-02 12:36:30,420 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:36:30,420 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-12-02 12:36:30,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:36:30,421 INFO L85 PathProgramCache]: Analyzing trace with hash 177539779, now seen corresponding path program 1 times [2024-12-02 12:36:30,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:36:30,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112482692] [2024-12-02 12:36:30,421 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:36:30,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:36:30,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:36:30,526 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-02 12:36:30,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:36:30,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112482692] [2024-12-02 12:36:30,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1112482692] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:36:30,527 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:36:30,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 12:36:30,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746595453] [2024-12-02 12:36:30,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:36:30,527 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:36:30,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:36:30,528 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:36:30,528 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:36:30,528 INFO L87 Difference]: Start difference. First operand 250 states and 333 transitions. Second operand has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-12-02 12:36:30,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:36:30,624 INFO L93 Difference]: Finished difference Result 255 states and 337 transitions. [2024-12-02 12:36:30,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 12:36:30,625 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 49 [2024-12-02 12:36:30,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:36:30,626 INFO L225 Difference]: With dead ends: 255 [2024-12-02 12:36:30,626 INFO L226 Difference]: Without dead ends: 233 [2024-12-02 12:36:30,627 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-12-02 12:36:30,627 INFO L435 NwaCegarLoop]: 65 mSDtfsCounter, 25 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 12:36:30,627 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 123 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 12:36:30,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2024-12-02 12:36:30,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 233. [2024-12-02 12:36:30,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 233 states, 182 states have (on average 1.4615384615384615) internal successors, (266), 203 states have internal predecessors, (266), 24 states have call successors, (24), 5 states have call predecessors, (24), 5 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 12:36:30,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 314 transitions. [2024-12-02 12:36:30,646 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 314 transitions. Word has length 49 [2024-12-02 12:36:30,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:36:30,646 INFO L471 AbstractCegarLoop]: Abstraction has 233 states and 314 transitions. [2024-12-02 12:36:30,646 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-12-02 12:36:30,646 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 314 transitions. [2024-12-02 12:36:30,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-02 12:36:30,647 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:36:30,647 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:36:30,647 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-02 12:36:30,648 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-12-02 12:36:30,648 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:36:30,648 INFO L85 PathProgramCache]: Analyzing trace with hash -1685686716, now seen corresponding path program 1 times [2024-12-02 12:36:30,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:36:30,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588552775] [2024-12-02 12:36:30,648 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:36:30,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:36:30,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:36:30,706 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-12-02 12:36:30,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:36:30,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588552775] [2024-12-02 12:36:30,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588552775] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:36:30,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [948322293] [2024-12-02 12:36:30,707 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:36:30,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:36:30,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:36:30,708 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:36:30,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-12-02 12:36:30,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:36:30,754 INFO L256 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 12:36:30,756 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:36:30,795 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-12-02 12:36:30,795 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:36:30,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [948322293] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:36:30,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 12:36:30,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-12-02 12:36:30,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275722111] [2024-12-02 12:36:30,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:36:30,796 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 12:36:30,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:36:30,796 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 12:36:30,796 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:36:30,796 INFO L87 Difference]: Start difference. First operand 233 states and 314 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-12-02 12:36:30,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:36:30,881 INFO L93 Difference]: Finished difference Result 336 states and 463 transitions. [2024-12-02 12:36:30,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 12:36:30,882 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 51 [2024-12-02 12:36:30,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:36:30,883 INFO L225 Difference]: With dead ends: 336 [2024-12-02 12:36:30,883 INFO L226 Difference]: Without dead ends: 334 [2024-12-02 12:36:30,884 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:36:30,884 INFO L435 NwaCegarLoop]: 66 mSDtfsCounter, 59 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 12:36:30,884 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 152 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 12:36:30,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2024-12-02 12:36:30,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 306. [2024-12-02 12:36:30,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 248 states have (on average 1.4838709677419355) internal successors, (368), 268 states have internal predecessors, (368), 32 states have call successors, (32), 5 states have call predecessors, (32), 5 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-12-02 12:36:30,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 432 transitions. [2024-12-02 12:36:30,906 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 432 transitions. Word has length 51 [2024-12-02 12:36:30,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:36:30,906 INFO L471 AbstractCegarLoop]: Abstraction has 306 states and 432 transitions. [2024-12-02 12:36:30,906 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-12-02 12:36:30,906 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 432 transitions. [2024-12-02 12:36:30,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-12-02 12:36:30,907 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:36:30,907 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:36:30,916 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-12-02 12:36:31,107 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-12-02 12:36:31,108 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-12-02 12:36:31,108 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:36:31,108 INFO L85 PathProgramCache]: Analyzing trace with hash -716682120, now seen corresponding path program 1 times [2024-12-02 12:36:31,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:36:31,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606805321] [2024-12-02 12:36:31,108 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:36:31,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:36:31,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:36:31,218 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-12-02 12:36:31,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:36:31,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606805321] [2024-12-02 12:36:31,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1606805321] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:36:31,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [565522267] [2024-12-02 12:36:31,219 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:36:31,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:36:31,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:36:31,221 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:36:31,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-12-02 12:36:31,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:36:31,262 INFO L256 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 12:36:31,264 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:36:31,390 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-12-02 12:36:31,390 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:36:31,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [565522267] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:36:31,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 12:36:31,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 13 [2024-12-02 12:36:31,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10261447] [2024-12-02 12:36:31,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:36:31,390 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 12:36:31,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:36:31,391 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 12:36:31,391 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2024-12-02 12:36:31,391 INFO L87 Difference]: Start difference. First operand 306 states and 432 transitions. Second operand has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 7 states have internal predecessors, (28), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-12-02 12:36:31,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:36:31,460 INFO L93 Difference]: Finished difference Result 306 states and 432 transitions. [2024-12-02 12:36:31,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:36:31,461 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 7 states have internal predecessors, (28), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 52 [2024-12-02 12:36:31,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:36:31,462 INFO L225 Difference]: With dead ends: 306 [2024-12-02 12:36:31,462 INFO L226 Difference]: Without dead ends: 305 [2024-12-02 12:36:31,463 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2024-12-02 12:36:31,463 INFO L435 NwaCegarLoop]: 63 mSDtfsCounter, 111 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:36:31,464 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 187 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:36:31,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2024-12-02 12:36:31,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 305. [2024-12-02 12:36:31,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 248 states have (on average 1.435483870967742) internal successors, (356), 267 states have internal predecessors, (356), 32 states have call successors, (32), 5 states have call predecessors, (32), 5 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-12-02 12:36:31,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 420 transitions. [2024-12-02 12:36:31,486 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 420 transitions. Word has length 52 [2024-12-02 12:36:31,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:36:31,486 INFO L471 AbstractCegarLoop]: Abstraction has 305 states and 420 transitions. [2024-12-02 12:36:31,486 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 7 states have internal predecessors, (28), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-12-02 12:36:31,487 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 420 transitions. [2024-12-02 12:36:31,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-12-02 12:36:31,487 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:36:31,487 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-12-02 12:36:31,496 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-12-02 12:36:31,688 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-12-02 12:36:31,688 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-12-02 12:36:31,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:36:31,688 INFO L85 PathProgramCache]: Analyzing trace with hash -716680582, now seen corresponding path program 1 times [2024-12-02 12:36:31,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:36:31,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818395703] [2024-12-02 12:36:31,688 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:36:31,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:36:31,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:36:31,743 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-12-02 12:36:31,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:36:31,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818395703] [2024-12-02 12:36:31,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [818395703] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:36:31,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1737053564] [2024-12-02 12:36:31,743 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:36:31,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:36:31,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:36:31,745 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:36:31,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-12-02 12:36:31,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:36:31,792 INFO L256 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 12:36:31,794 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:36:31,837 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-12-02 12:36:31,837 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:36:31,908 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-12-02 12:36:31,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1737053564] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 12:36:31,908 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 12:36:31,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-12-02 12:36:31,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913693429] [2024-12-02 12:36:31,908 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 12:36:31,909 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 12:36:31,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:36:31,909 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 12:36:31,909 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-12-02 12:36:31,910 INFO L87 Difference]: Start difference. First operand 305 states and 420 transitions. Second operand has 7 states, 6 states have (on average 9.333333333333334) internal successors, (56), 7 states have internal predecessors, (56), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2024-12-02 12:36:32,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:36:32,064 INFO L93 Difference]: Finished difference Result 472 states and 642 transitions. [2024-12-02 12:36:32,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 12:36:32,065 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 9.333333333333334) internal successors, (56), 7 states have internal predecessors, (56), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) Word has length 52 [2024-12-02 12:36:32,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:36:32,068 INFO L225 Difference]: With dead ends: 472 [2024-12-02 12:36:32,068 INFO L226 Difference]: Without dead ends: 470 [2024-12-02 12:36:32,068 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-12-02 12:36:32,069 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 193 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 12:36:32,069 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 266 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 12:36:32,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2024-12-02 12:36:32,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 411. [2024-12-02 12:36:32,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 341 states have (on average 1.4486803519061584) internal successors, (494), 360 states have internal predecessors, (494), 45 states have call successors, (45), 5 states have call predecessors, (45), 5 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-12-02 12:36:32,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 584 transitions. [2024-12-02 12:36:32,090 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 584 transitions. Word has length 52 [2024-12-02 12:36:32,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:36:32,090 INFO L471 AbstractCegarLoop]: Abstraction has 411 states and 584 transitions. [2024-12-02 12:36:32,090 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 9.333333333333334) internal successors, (56), 7 states have internal predecessors, (56), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2024-12-02 12:36:32,090 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 584 transitions. [2024-12-02 12:36:32,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-12-02 12:36:32,091 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:36:32,091 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:36:32,098 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-12-02 12:36:32,291 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-12-02 12:36:32,292 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-12-02 12:36:32,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:36:32,292 INFO L85 PathProgramCache]: Analyzing trace with hash -742309164, now seen corresponding path program 1 times [2024-12-02 12:36:32,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:36:32,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78543159] [2024-12-02 12:36:32,292 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:36:32,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:36:32,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:36:32,375 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-12-02 12:36:32,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:36:32,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78543159] [2024-12-02 12:36:32,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [78543159] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:36:32,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [363889221] [2024-12-02 12:36:32,376 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:36:32,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:36:32,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:36:32,377 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:36:32,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-12-02 12:36:32,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:36:32,418 INFO L256 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 12:36:32,419 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:36:32,516 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 3 proven. 43 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-12-02 12:36:32,516 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:36:32,638 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-12-02 12:36:32,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [363889221] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 12:36:32,638 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 12:36:32,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 6] total 18 [2024-12-02 12:36:32,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039978473] [2024-12-02 12:36:32,638 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 12:36:32,639 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-12-02 12:36:32,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:36:32,639 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-12-02 12:36:32,640 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=258, Unknown=0, NotChecked=0, Total=342 [2024-12-02 12:36:32,640 INFO L87 Difference]: Start difference. First operand 411 states and 584 transitions. Second operand has 19 states, 18 states have (on average 4.111111111111111) internal successors, (74), 19 states have internal predecessors, (74), 6 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 6 states have call predecessors, (18), 6 states have call successors, (18) [2024-12-02 12:36:32,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:36:32,956 INFO L93 Difference]: Finished difference Result 475 states and 638 transitions. [2024-12-02 12:36:32,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-12-02 12:36:32,956 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 4.111111111111111) internal successors, (74), 19 states have internal predecessors, (74), 6 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 6 states have call predecessors, (18), 6 states have call successors, (18) Word has length 53 [2024-12-02 12:36:32,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:36:32,959 INFO L225 Difference]: With dead ends: 475 [2024-12-02 12:36:32,959 INFO L226 Difference]: Without dead ends: 469 [2024-12-02 12:36:32,960 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=241, Invalid=689, Unknown=0, NotChecked=0, Total=930 [2024-12-02 12:36:32,960 INFO L435 NwaCegarLoop]: 64 mSDtfsCounter, 341 mSDsluCounter, 544 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 341 SdHoareTripleChecker+Valid, 608 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 12:36:32,961 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [341 Valid, 608 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 12:36:32,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2024-12-02 12:36:33,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 440. [2024-12-02 12:36:33,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 440 states, 368 states have (on average 1.4048913043478262) internal successors, (517), 387 states have internal predecessors, (517), 45 states have call successors, (45), 7 states have call predecessors, (45), 7 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-12-02 12:36:33,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 440 states and 607 transitions. [2024-12-02 12:36:33,004 INFO L78 Accepts]: Start accepts. Automaton has 440 states and 607 transitions. Word has length 53 [2024-12-02 12:36:33,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:36:33,004 INFO L471 AbstractCegarLoop]: Abstraction has 440 states and 607 transitions. [2024-12-02 12:36:33,004 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 4.111111111111111) internal successors, (74), 19 states have internal predecessors, (74), 6 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 6 states have call predecessors, (18), 6 states have call successors, (18) [2024-12-02 12:36:33,004 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 607 transitions. [2024-12-02 12:36:33,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-12-02 12:36:33,005 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:36:33,005 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1] [2024-12-02 12:36:33,014 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-12-02 12:36:33,206 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-12-02 12:36:33,206 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-12-02 12:36:33,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:36:33,207 INFO L85 PathProgramCache]: Analyzing trace with hash 1217958983, now seen corresponding path program 2 times [2024-12-02 12:36:33,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:36:33,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919560515] [2024-12-02 12:36:33,207 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 12:36:33,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:36:33,228 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-02 12:36:33,228 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-12-02 12:36:33,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [147405377] [2024-12-02 12:36:33,229 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 12:36:33,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:36:33,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:36:33,231 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:36:33,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-12-02 12:36:33,285 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-02 12:36:33,285 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 12:36:33,286 INFO L256 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 12:36:33,288 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:36:33,433 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-12-02 12:36:33,433 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:36:33,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:36:33,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919560515] [2024-12-02 12:36:33,613 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-12-02 12:36:33,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [147405377] [2024-12-02 12:36:33,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [147405377] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:36:33,613 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-12-02 12:36:33,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-12-02 12:36:33,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980159651] [2024-12-02 12:36:33,614 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-12-02 12:36:33,614 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:36:33,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:36:33,615 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:36:33,615 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-12-02 12:36:33,615 INFO L87 Difference]: Start difference. First operand 440 states and 607 transitions. Second operand has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-12-02 12:36:33,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:36:33,815 INFO L93 Difference]: Finished difference Result 581 states and 792 transitions. [2024-12-02 12:36:33,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:36:33,815 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 70 [2024-12-02 12:36:33,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:36:33,818 INFO L225 Difference]: With dead ends: 581 [2024-12-02 12:36:33,818 INFO L226 Difference]: Without dead ends: 577 [2024-12-02 12:36:33,819 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-12-02 12:36:33,819 INFO L435 NwaCegarLoop]: 62 mSDtfsCounter, 106 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 12:36:33,820 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 183 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 12:36:33,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2024-12-02 12:36:33,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 490. [2024-12-02 12:36:33,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 490 states, 412 states have (on average 1.3907766990291262) internal successors, (573), 431 states have internal predecessors, (573), 51 states have call successors, (51), 7 states have call predecessors, (51), 7 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-12-02 12:36:33,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 490 states and 675 transitions. [2024-12-02 12:36:33,873 INFO L78 Accepts]: Start accepts. Automaton has 490 states and 675 transitions. Word has length 70 [2024-12-02 12:36:33,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:36:33,874 INFO L471 AbstractCegarLoop]: Abstraction has 490 states and 675 transitions. [2024-12-02 12:36:33,874 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-12-02 12:36:33,874 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 675 transitions. [2024-12-02 12:36:33,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-12-02 12:36:33,875 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:36:33,875 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:36:33,884 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-12-02 12:36:34,075 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:36:34,076 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-12-02 12:36:34,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:36:34,076 INFO L85 PathProgramCache]: Analyzing trace with hash 533823658, now seen corresponding path program 1 times [2024-12-02 12:36:34,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:36:34,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062890441] [2024-12-02 12:36:34,076 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:36:34,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:36:34,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:36:34,149 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-12-02 12:36:34,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:36:34,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062890441] [2024-12-02 12:36:34,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062890441] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:36:34,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:36:34,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 12:36:34,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388827018] [2024-12-02 12:36:34,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:36:34,150 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:36:34,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:36:34,151 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:36:34,151 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:36:34,151 INFO L87 Difference]: Start difference. First operand 490 states and 675 transitions. Second operand has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-12-02 12:36:34,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:36:34,233 INFO L93 Difference]: Finished difference Result 490 states and 675 transitions. [2024-12-02 12:36:34,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:36:34,233 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 77 [2024-12-02 12:36:34,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:36:34,236 INFO L225 Difference]: With dead ends: 490 [2024-12-02 12:36:34,236 INFO L226 Difference]: Without dead ends: 489 [2024-12-02 12:36:34,236 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:36:34,236 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 2 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 12:36:34,237 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 114 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 12:36:34,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2024-12-02 12:36:34,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 489. [2024-12-02 12:36:34,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 489 states, 412 states have (on average 1.3713592233009708) internal successors, (565), 430 states have internal predecessors, (565), 51 states have call successors, (51), 7 states have call predecessors, (51), 7 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-12-02 12:36:34,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 667 transitions. [2024-12-02 12:36:34,267 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 667 transitions. Word has length 77 [2024-12-02 12:36:34,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:36:34,268 INFO L471 AbstractCegarLoop]: Abstraction has 489 states and 667 transitions. [2024-12-02 12:36:34,268 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-12-02 12:36:34,268 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 667 transitions. [2024-12-02 12:36:34,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-12-02 12:36:34,268 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:36:34,268 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:36:34,268 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-12-02 12:36:34,269 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-12-02 12:36:34,269 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:36:34,269 INFO L85 PathProgramCache]: Analyzing trace with hash -631335670, now seen corresponding path program 1 times [2024-12-02 12:36:34,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:36:34,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562239495] [2024-12-02 12:36:34,269 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:36:34,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:36:34,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:36:34,413 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-12-02 12:36:34,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:36:34,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562239495] [2024-12-02 12:36:34,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562239495] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:36:34,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [992756438] [2024-12-02 12:36:34,413 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:36:34,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:36:34,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:36:34,415 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:36:34,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-12-02 12:36:34,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:36:34,465 INFO L256 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-02 12:36:34,467 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:36:34,622 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-12-02 12:36:34,622 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:36:34,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [992756438] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:36:34,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 12:36:34,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-12-02 12:36:34,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035690870] [2024-12-02 12:36:34,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:36:34,622 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 12:36:34,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:36:34,623 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 12:36:34,623 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-12-02 12:36:34,623 INFO L87 Difference]: Start difference. First operand 489 states and 667 transitions. Second operand has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-12-02 12:36:34,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:36:34,715 INFO L93 Difference]: Finished difference Result 514 states and 689 transitions. [2024-12-02 12:36:34,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 12:36:34,716 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 78 [2024-12-02 12:36:34,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:36:34,718 INFO L225 Difference]: With dead ends: 514 [2024-12-02 12:36:34,718 INFO L226 Difference]: Without dead ends: 513 [2024-12-02 12:36:34,718 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-12-02 12:36:34,719 INFO L435 NwaCegarLoop]: 63 mSDtfsCounter, 40 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 12:36:34,719 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 126 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 12:36:34,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 513 states. [2024-12-02 12:36:34,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 513 to 489. [2024-12-02 12:36:34,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 489 states, 412 states have (on average 1.3616504854368932) internal successors, (561), 430 states have internal predecessors, (561), 51 states have call successors, (51), 7 states have call predecessors, (51), 7 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-12-02 12:36:34,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 663 transitions. [2024-12-02 12:36:34,742 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 663 transitions. Word has length 78 [2024-12-02 12:36:34,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:36:34,742 INFO L471 AbstractCegarLoop]: Abstraction has 489 states and 663 transitions. [2024-12-02 12:36:34,742 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-12-02 12:36:34,742 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 663 transitions. [2024-12-02 12:36:34,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-12-02 12:36:34,743 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:36:34,743 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:36:34,752 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-12-02 12:36:34,943 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-12-02 12:36:34,943 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-12-02 12:36:34,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:36:34,944 INFO L85 PathProgramCache]: Analyzing trace with hash 1903430828, now seen corresponding path program 1 times [2024-12-02 12:36:34,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:36:34,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678351338] [2024-12-02 12:36:34,944 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:36:34,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:36:34,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:36:35,047 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-12-02 12:36:35,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:36:35,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678351338] [2024-12-02 12:36:35,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [678351338] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:36:35,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1817862024] [2024-12-02 12:36:35,048 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:36:35,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:36:35,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:36:35,050 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:36:35,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-12-02 12:36:35,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:36:35,100 INFO L256 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 12:36:35,101 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:36:35,272 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-12-02 12:36:35,272 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:36:35,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1817862024] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:36:35,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 12:36:35,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2024-12-02 12:36:35,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746259768] [2024-12-02 12:36:35,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:36:35,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:36:35,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:36:35,273 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:36:35,274 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2024-12-02 12:36:35,274 INFO L87 Difference]: Start difference. First operand 489 states and 663 transitions. Second operand has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-12-02 12:36:35,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:36:35,400 INFO L93 Difference]: Finished difference Result 522 states and 700 transitions. [2024-12-02 12:36:35,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:36:35,401 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 79 [2024-12-02 12:36:35,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:36:35,403 INFO L225 Difference]: With dead ends: 522 [2024-12-02 12:36:35,403 INFO L226 Difference]: Without dead ends: 521 [2024-12-02 12:36:35,403 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 76 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2024-12-02 12:36:35,404 INFO L435 NwaCegarLoop]: 59 mSDtfsCounter, 88 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 12:36:35,405 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 113 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 12:36:35,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 521 states. [2024-12-02 12:36:35,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 521 to 501. [2024-12-02 12:36:35,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 501 states, 424 states have (on average 1.3514150943396226) internal successors, (573), 442 states have internal predecessors, (573), 51 states have call successors, (51), 7 states have call predecessors, (51), 7 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-12-02 12:36:35,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 501 states and 675 transitions. [2024-12-02 12:36:35,430 INFO L78 Accepts]: Start accepts. Automaton has 501 states and 675 transitions. Word has length 79 [2024-12-02 12:36:35,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:36:35,431 INFO L471 AbstractCegarLoop]: Abstraction has 501 states and 675 transitions. [2024-12-02 12:36:35,431 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-12-02 12:36:35,431 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 675 transitions. [2024-12-02 12:36:35,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-12-02 12:36:35,431 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:36:35,431 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:36:35,438 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-12-02 12:36:35,632 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-12-02 12:36:35,632 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-12-02 12:36:35,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:36:35,632 INFO L85 PathProgramCache]: Analyzing trace with hash -1123186356, now seen corresponding path program 1 times [2024-12-02 12:36:35,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:36:35,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047534147] [2024-12-02 12:36:35,633 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:36:35,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:36:35,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:36:35,762 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-12-02 12:36:35,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:36:35,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047534147] [2024-12-02 12:36:35,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047534147] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:36:35,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1036379444] [2024-12-02 12:36:35,762 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:36:35,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:36:35,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:36:35,764 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:36:35,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-12-02 12:36:35,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:36:35,816 INFO L256 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 12:36:35,818 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:36:35,939 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-12-02 12:36:35,939 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:36:35,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1036379444] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:36:35,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 12:36:35,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2024-12-02 12:36:35,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361414274] [2024-12-02 12:36:35,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:36:35,940 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 12:36:35,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:36:35,940 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 12:36:35,940 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-12-02 12:36:35,941 INFO L87 Difference]: Start difference. First operand 501 states and 675 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-12-02 12:36:36,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:36:36,060 INFO L93 Difference]: Finished difference Result 517 states and 688 transitions. [2024-12-02 12:36:36,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 12:36:36,060 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 80 [2024-12-02 12:36:36,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:36:36,062 INFO L225 Difference]: With dead ends: 517 [2024-12-02 12:36:36,062 INFO L226 Difference]: Without dead ends: 515 [2024-12-02 12:36:36,063 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-12-02 12:36:36,063 INFO L435 NwaCegarLoop]: 50 mSDtfsCounter, 43 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 12:36:36,063 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 110 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 12:36:36,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2024-12-02 12:36:36,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 505. [2024-12-02 12:36:36,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 505 states, 428 states have (on average 1.3294392523364487) internal successors, (569), 446 states have internal predecessors, (569), 51 states have call successors, (51), 7 states have call predecessors, (51), 7 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-12-02 12:36:36,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 671 transitions. [2024-12-02 12:36:36,105 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 671 transitions. Word has length 80 [2024-12-02 12:36:36,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:36:36,105 INFO L471 AbstractCegarLoop]: Abstraction has 505 states and 671 transitions. [2024-12-02 12:36:36,106 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-12-02 12:36:36,106 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 671 transitions. [2024-12-02 12:36:36,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-12-02 12:36:36,106 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:36:36,107 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:36:36,115 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-12-02 12:36:36,307 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-12-02 12:36:36,307 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-12-02 12:36:36,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:36:36,307 INFO L85 PathProgramCache]: Analyzing trace with hash 763367358, now seen corresponding path program 1 times [2024-12-02 12:36:36,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:36:36,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314477967] [2024-12-02 12:36:36,308 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:36:36,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:36:36,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:36:36,445 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-02 12:36:36,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:36:36,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314477967] [2024-12-02 12:36:36,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [314477967] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:36:36,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [153369560] [2024-12-02 12:36:36,445 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:36:36,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:36:36,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:36:36,447 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:36:36,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-12-02 12:36:36,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:36:36,499 INFO L256 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-02 12:36:36,501 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:36:36,609 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 0 proven. 142 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-12-02 12:36:36,609 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:36:36,763 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-02 12:36:36,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [153369560] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 12:36:36,763 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 12:36:36,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 10] total 21 [2024-12-02 12:36:36,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736771206] [2024-12-02 12:36:36,764 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 12:36:36,764 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-12-02 12:36:36,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:36:36,765 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-12-02 12:36:36,765 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2024-12-02 12:36:36,765 INFO L87 Difference]: Start difference. First operand 505 states and 671 transitions. Second operand has 21 states, 21 states have (on average 4.380952380952381) internal successors, (92), 21 states have internal predecessors, (92), 6 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 6 states have call predecessors, (27), 6 states have call successors, (27) [2024-12-02 12:36:37,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:36:37,132 INFO L93 Difference]: Finished difference Result 702 states and 911 transitions. [2024-12-02 12:36:37,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-12-02 12:36:37,132 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 4.380952380952381) internal successors, (92), 21 states have internal predecessors, (92), 6 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 6 states have call predecessors, (27), 6 states have call successors, (27) Word has length 84 [2024-12-02 12:36:37,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:36:37,135 INFO L225 Difference]: With dead ends: 702 [2024-12-02 12:36:37,135 INFO L226 Difference]: Without dead ends: 569 [2024-12-02 12:36:37,136 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 362 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=355, Invalid=1127, Unknown=0, NotChecked=0, Total=1482 [2024-12-02 12:36:37,136 INFO L435 NwaCegarLoop]: 65 mSDtfsCounter, 124 mSDsluCounter, 540 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 605 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 12:36:37,137 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 605 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 12:36:37,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 569 states. [2024-12-02 12:36:37,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 569 to 551. [2024-12-02 12:36:37,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 551 states, 464 states have (on average 1.3060344827586208) internal successors, (606), 482 states have internal predecessors, (606), 57 states have call successors, (57), 11 states have call predecessors, (57), 11 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2024-12-02 12:36:37,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 551 states and 720 transitions. [2024-12-02 12:36:37,188 INFO L78 Accepts]: Start accepts. Automaton has 551 states and 720 transitions. Word has length 84 [2024-12-02 12:36:37,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:36:37,188 INFO L471 AbstractCegarLoop]: Abstraction has 551 states and 720 transitions. [2024-12-02 12:36:37,188 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 4.380952380952381) internal successors, (92), 21 states have internal predecessors, (92), 6 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 6 states have call predecessors, (27), 6 states have call successors, (27) [2024-12-02 12:36:37,189 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 720 transitions. [2024-12-02 12:36:37,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-12-02 12:36:37,189 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:36:37,189 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:36:37,199 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-12-02 12:36:37,390 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-12-02 12:36:37,390 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-12-02 12:36:37,390 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:36:37,391 INFO L85 PathProgramCache]: Analyzing trace with hash -1328952029, now seen corresponding path program 1 times [2024-12-02 12:36:37,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:36:37,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386932292] [2024-12-02 12:36:37,391 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:36:37,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:36:37,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 12:36:37,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [721307641] [2024-12-02 12:36:37,414 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:36:37,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:36:37,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:36:37,416 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:36:37,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-12-02 12:36:37,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:36:37,474 INFO L256 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-02 12:36:37,476 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:36:37,748 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-12-02 12:36:37,749 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:36:38,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:36:38,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386932292] [2024-12-02 12:36:38,282 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-12-02 12:36:38,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [721307641] [2024-12-02 12:36:38,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [721307641] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:36:38,282 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-12-02 12:36:38,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-12-02 12:36:38,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452784601] [2024-12-02 12:36:38,282 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-12-02 12:36:38,282 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 12:36:38,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:36:38,283 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 12:36:38,283 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-12-02 12:36:38,283 INFO L87 Difference]: Start difference. First operand 551 states and 720 transitions. Second operand has 6 states, 5 states have (on average 8.4) internal successors, (42), 6 states have internal predecessors, (42), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-12-02 12:36:38,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:36:38,439 INFO L93 Difference]: Finished difference Result 677 states and 903 transitions. [2024-12-02 12:36:38,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 12:36:38,440 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.4) internal successors, (42), 6 states have internal predecessors, (42), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 85 [2024-12-02 12:36:38,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:36:38,442 INFO L225 Difference]: With dead ends: 677 [2024-12-02 12:36:38,442 INFO L226 Difference]: Without dead ends: 676 [2024-12-02 12:36:38,443 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-12-02 12:36:38,443 INFO L435 NwaCegarLoop]: 42 mSDtfsCounter, 141 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 12:36:38,443 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 103 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 12:36:38,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 676 states. [2024-12-02 12:36:38,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 676 to 632. [2024-12-02 12:36:38,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 632 states, 539 states have (on average 1.3320964749536177) internal successors, (718), 557 states have internal predecessors, (718), 63 states have call successors, (63), 11 states have call predecessors, (63), 11 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2024-12-02 12:36:38,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 632 states and 844 transitions. [2024-12-02 12:36:38,504 INFO L78 Accepts]: Start accepts. Automaton has 632 states and 844 transitions. Word has length 85 [2024-12-02 12:36:38,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:36:38,505 INFO L471 AbstractCegarLoop]: Abstraction has 632 states and 844 transitions. [2024-12-02 12:36:38,505 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.4) internal successors, (42), 6 states have internal predecessors, (42), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-12-02 12:36:38,505 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 844 transitions. [2024-12-02 12:36:38,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-12-02 12:36:38,506 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:36:38,506 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:36:38,515 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-12-02 12:36:38,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-12-02 12:36:38,707 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-12-02 12:36:38,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:36:38,707 INFO L85 PathProgramCache]: Analyzing trace with hash 1752160147, now seen corresponding path program 1 times [2024-12-02 12:36:38,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:36:38,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520748992] [2024-12-02 12:36:38,707 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:36:38,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:36:38,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 12:36:38,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1846894435] [2024-12-02 12:36:38,726 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:36:38,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:36:38,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:36:38,728 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:36:38,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-12-02 12:36:38,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:36:38,786 INFO L256 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-02 12:36:38,788 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:36:38,999 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-12-02 12:36:38,999 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:36:39,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:36:39,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520748992] [2024-12-02 12:36:39,437 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-12-02 12:36:39,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1846894435] [2024-12-02 12:36:39,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1846894435] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:36:39,437 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-12-02 12:36:39,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-12-02 12:36:39,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943463220] [2024-12-02 12:36:39,437 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-12-02 12:36:39,437 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:36:39,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:36:39,438 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:36:39,438 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-12-02 12:36:39,438 INFO L87 Difference]: Start difference. First operand 632 states and 844 transitions. Second operand has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-12-02 12:36:39,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:36:39,555 INFO L93 Difference]: Finished difference Result 642 states and 849 transitions. [2024-12-02 12:36:39,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:36:39,556 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 86 [2024-12-02 12:36:39,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:36:39,557 INFO L225 Difference]: With dead ends: 642 [2024-12-02 12:36:39,557 INFO L226 Difference]: Without dead ends: 639 [2024-12-02 12:36:39,558 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-12-02 12:36:39,558 INFO L435 NwaCegarLoop]: 41 mSDtfsCounter, 66 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 12:36:39,558 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 103 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 12:36:39,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 639 states. [2024-12-02 12:36:39,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 639 to 630. [2024-12-02 12:36:39,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 630 states, 539 states have (on average 1.2838589981447124) internal successors, (692), 555 states have internal predecessors, (692), 63 states have call successors, (63), 11 states have call predecessors, (63), 11 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2024-12-02 12:36:39,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 630 states and 818 transitions. [2024-12-02 12:36:39,587 INFO L78 Accepts]: Start accepts. Automaton has 630 states and 818 transitions. Word has length 86 [2024-12-02 12:36:39,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:36:39,587 INFO L471 AbstractCegarLoop]: Abstraction has 630 states and 818 transitions. [2024-12-02 12:36:39,587 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-12-02 12:36:39,587 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 818 transitions. [2024-12-02 12:36:39,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-12-02 12:36:39,588 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:36:39,588 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:36:39,594 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-12-02 12:36:39,788 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:36:39,789 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-12-02 12:36:39,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:36:39,789 INFO L85 PathProgramCache]: Analyzing trace with hash -1517610203, now seen corresponding path program 1 times [2024-12-02 12:36:39,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:36:39,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393753196] [2024-12-02 12:36:39,789 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:36:39,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:36:39,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:36:39,851 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-12-02 12:36:39,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:36:39,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393753196] [2024-12-02 12:36:39,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1393753196] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:36:39,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:36:39,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 12:36:39,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125547499] [2024-12-02 12:36:39,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:36:39,852 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:36:39,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:36:39,852 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:36:39,852 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:36:39,852 INFO L87 Difference]: Start difference. First operand 630 states and 818 transitions. Second operand has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-12-02 12:36:40,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:36:40,063 INFO L93 Difference]: Finished difference Result 639 states and 826 transitions. [2024-12-02 12:36:40,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 12:36:40,064 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 87 [2024-12-02 12:36:40,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:36:40,066 INFO L225 Difference]: With dead ends: 639 [2024-12-02 12:36:40,066 INFO L226 Difference]: Without dead ends: 638 [2024-12-02 12:36:40,066 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-12-02 12:36:40,067 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 71 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 12:36:40,067 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 174 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 12:36:40,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 638 states. [2024-12-02 12:36:40,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 638 to 629. [2024-12-02 12:36:40,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 629 states, 539 states have (on average 1.25417439703154) internal successors, (676), 554 states have internal predecessors, (676), 63 states have call successors, (63), 11 states have call predecessors, (63), 11 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2024-12-02 12:36:40,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 629 states and 802 transitions. [2024-12-02 12:36:40,119 INFO L78 Accepts]: Start accepts. Automaton has 629 states and 802 transitions. Word has length 87 [2024-12-02 12:36:40,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:36:40,119 INFO L471 AbstractCegarLoop]: Abstraction has 629 states and 802 transitions. [2024-12-02 12:36:40,119 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-12-02 12:36:40,119 INFO L276 IsEmpty]: Start isEmpty. Operand 629 states and 802 transitions. [2024-12-02 12:36:40,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-12-02 12:36:40,120 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:36:40,120 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:36:40,120 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-12-02 12:36:40,120 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-12-02 12:36:40,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:36:40,121 INFO L85 PathProgramCache]: Analyzing trace with hash 198724053, now seen corresponding path program 1 times [2024-12-02 12:36:40,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:36:40,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685474451] [2024-12-02 12:36:40,121 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:36:40,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:36:40,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:36:40,296 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-12-02 12:36:40,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:36:40,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685474451] [2024-12-02 12:36:40,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685474451] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:36:40,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1407615049] [2024-12-02 12:36:40,297 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:36:40,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:36:40,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:36:40,299 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:36:40,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-12-02 12:36:40,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:36:40,350 INFO L256 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-02 12:36:40,352 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:36:40,755 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-12-02 12:36:40,756 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:36:41,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1407615049] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:36:41,413 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 12:36:41,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2024-12-02 12:36:41,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419097261] [2024-12-02 12:36:41,413 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 12:36:41,414 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-12-02 12:36:41,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:36:41,414 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-12-02 12:36:41,414 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=315, Unknown=0, NotChecked=0, Total=380 [2024-12-02 12:36:41,414 INFO L87 Difference]: Start difference. First operand 629 states and 802 transitions. Second operand has 16 states, 15 states have (on average 6.533333333333333) internal successors, (98), 16 states have internal predecessors, (98), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2024-12-02 12:36:42,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:36:42,471 INFO L93 Difference]: Finished difference Result 956 states and 1254 transitions. [2024-12-02 12:36:42,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-12-02 12:36:42,471 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 6.533333333333333) internal successors, (98), 16 states have internal predecessors, (98), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) Word has length 88 [2024-12-02 12:36:42,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:36:42,476 INFO L225 Difference]: With dead ends: 956 [2024-12-02 12:36:42,476 INFO L226 Difference]: Without dead ends: 947 [2024-12-02 12:36:42,477 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 395 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=353, Invalid=1287, Unknown=0, NotChecked=0, Total=1640 [2024-12-02 12:36:42,478 INFO L435 NwaCegarLoop]: 51 mSDtfsCounter, 541 mSDsluCounter, 370 mSDsCounter, 0 mSdLazyCounter, 700 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 546 SdHoareTripleChecker+Valid, 421 SdHoareTripleChecker+Invalid, 788 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 700 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 12:36:42,478 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [546 Valid, 421 Invalid, 788 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 700 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 12:36:42,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 947 states. [2024-12-02 12:36:42,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 947 to 742. [2024-12-02 12:36:42,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 742 states, 642 states have (on average 1.264797507788162) internal successors, (812), 657 states have internal predecessors, (812), 73 states have call successors, (73), 11 states have call predecessors, (73), 11 states have return successors, (73), 73 states have call predecessors, (73), 73 states have call successors, (73) [2024-12-02 12:36:42,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 742 states and 958 transitions. [2024-12-02 12:36:42,574 INFO L78 Accepts]: Start accepts. Automaton has 742 states and 958 transitions. Word has length 88 [2024-12-02 12:36:42,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:36:42,575 INFO L471 AbstractCegarLoop]: Abstraction has 742 states and 958 transitions. [2024-12-02 12:36:42,575 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 6.533333333333333) internal successors, (98), 16 states have internal predecessors, (98), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2024-12-02 12:36:42,575 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 958 transitions. [2024-12-02 12:36:42,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-12-02 12:36:42,577 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:36:42,577 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:36:42,588 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-12-02 12:36:42,777 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-12-02 12:36:42,777 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-12-02 12:36:42,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:36:42,778 INFO L85 PathProgramCache]: Analyzing trace with hash -1396550732, now seen corresponding path program 1 times [2024-12-02 12:36:42,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:36:42,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439173243] [2024-12-02 12:36:42,778 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:36:42,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:36:42,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 12:36:42,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [826016665] [2024-12-02 12:36:42,798 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:36:42,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:36:42,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:36:42,800 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:36:42,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-12-02 12:36:42,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:36:42,857 INFO L256 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-02 12:36:42,860 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:36:43,220 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 3 proven. 47 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-12-02 12:36:43,221 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:36:43,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:36:43,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439173243] [2024-12-02 12:36:43,626 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-12-02 12:36:43,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [826016665] [2024-12-02 12:36:43,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [826016665] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:36:43,626 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-12-02 12:36:43,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-12-02 12:36:43,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267806841] [2024-12-02 12:36:43,626 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-12-02 12:36:43,627 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 12:36:43,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:36:43,627 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 12:36:43,627 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2024-12-02 12:36:43,627 INFO L87 Difference]: Start difference. First operand 742 states and 958 transitions. Second operand has 11 states, 10 states have (on average 5.8) internal successors, (58), 11 states have internal predecessors, (58), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-12-02 12:36:43,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:36:43,928 INFO L93 Difference]: Finished difference Result 766 states and 973 transitions. [2024-12-02 12:36:43,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 12:36:43,929 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 5.8) internal successors, (58), 11 states have internal predecessors, (58), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 102 [2024-12-02 12:36:43,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:36:43,931 INFO L225 Difference]: With dead ends: 766 [2024-12-02 12:36:43,931 INFO L226 Difference]: Without dead ends: 591 [2024-12-02 12:36:43,931 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2024-12-02 12:36:43,931 INFO L435 NwaCegarLoop]: 54 mSDtfsCounter, 20 mSDsluCounter, 259 mSDsCounter, 0 mSdLazyCounter, 559 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 559 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 12:36:43,932 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 313 Invalid, 561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 559 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 12:36:43,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 591 states. [2024-12-02 12:36:43,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 591 to 589. [2024-12-02 12:36:43,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 589 states, 501 states have (on average 1.253493013972056) internal successors, (628), 516 states have internal predecessors, (628), 61 states have call successors, (61), 11 states have call predecessors, (61), 11 states have return successors, (61), 61 states have call predecessors, (61), 61 states have call successors, (61) [2024-12-02 12:36:43,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 589 states and 750 transitions. [2024-12-02 12:36:43,979 INFO L78 Accepts]: Start accepts. Automaton has 589 states and 750 transitions. Word has length 102 [2024-12-02 12:36:43,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:36:43,980 INFO L471 AbstractCegarLoop]: Abstraction has 589 states and 750 transitions. [2024-12-02 12:36:43,980 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 5.8) internal successors, (58), 11 states have internal predecessors, (58), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-12-02 12:36:43,980 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 750 transitions. [2024-12-02 12:36:43,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-12-02 12:36:43,981 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:36:43,981 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:36:43,990 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-12-02 12:36:44,181 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-12-02 12:36:44,182 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-12-02 12:36:44,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:36:44,182 INFO L85 PathProgramCache]: Analyzing trace with hash -2055452938, now seen corresponding path program 1 times [2024-12-02 12:36:44,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:36:44,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086372418] [2024-12-02 12:36:44,182 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:36:44,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:36:44,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:36:44,233 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-12-02 12:36:44,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:36:44,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086372418] [2024-12-02 12:36:44,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086372418] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:36:44,234 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:36:44,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 12:36:44,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843575036] [2024-12-02 12:36:44,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:36:44,234 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:36:44,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:36:44,235 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:36:44,235 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:36:44,235 INFO L87 Difference]: Start difference. First operand 589 states and 750 transitions. Second operand has 5 states, 4 states have (on average 12.75) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-12-02 12:36:44,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:36:44,397 INFO L93 Difference]: Finished difference Result 593 states and 751 transitions. [2024-12-02 12:36:44,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 12:36:44,397 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 12.75) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 104 [2024-12-02 12:36:44,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:36:44,399 INFO L225 Difference]: With dead ends: 593 [2024-12-02 12:36:44,399 INFO L226 Difference]: Without dead ends: 550 [2024-12-02 12:36:44,399 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-12-02 12:36:44,400 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 32 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 229 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 12:36:44,400 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 229 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 12:36:44,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 550 states. [2024-12-02 12:36:44,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 550 to 545. [2024-12-02 12:36:44,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 545 states, 463 states have (on average 1.2699784017278617) internal successors, (588), 477 states have internal predecessors, (588), 57 states have call successors, (57), 10 states have call predecessors, (57), 10 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2024-12-02 12:36:44,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 545 states and 702 transitions. [2024-12-02 12:36:44,438 INFO L78 Accepts]: Start accepts. Automaton has 545 states and 702 transitions. Word has length 104 [2024-12-02 12:36:44,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:36:44,439 INFO L471 AbstractCegarLoop]: Abstraction has 545 states and 702 transitions. [2024-12-02 12:36:44,439 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 12.75) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-12-02 12:36:44,439 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 702 transitions. [2024-12-02 12:36:44,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-12-02 12:36:44,439 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:36:44,440 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 1, 1, 1] [2024-12-02 12:36:44,440 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-12-02 12:36:44,440 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-12-02 12:36:44,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:36:44,440 INFO L85 PathProgramCache]: Analyzing trace with hash -1565033674, now seen corresponding path program 1 times [2024-12-02 12:36:44,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:36:44,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996210191] [2024-12-02 12:36:44,440 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:36:44,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:36:44,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:36:44,512 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 12:36:44,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:36:44,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996210191] [2024-12-02 12:36:44,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996210191] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:36:44,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2125901157] [2024-12-02 12:36:44,512 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:36:44,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:36:44,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:36:44,514 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:36:44,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-12-02 12:36:44,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:36:44,567 INFO L256 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 12:36:44,569 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:36:44,630 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 12:36:44,630 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:36:44,746 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-02 12:36:44,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2125901157] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 12:36:44,746 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 12:36:44,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-12-02 12:36:44,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487857556] [2024-12-02 12:36:44,746 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 12:36:44,746 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 12:36:44,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:36:44,747 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 12:36:44,747 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2024-12-02 12:36:44,747 INFO L87 Difference]: Start difference. First operand 545 states and 702 transitions. Second operand has 11 states, 10 states have (on average 10.6) internal successors, (106), 11 states have internal predecessors, (106), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2024-12-02 12:36:44,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:36:44,976 INFO L93 Difference]: Finished difference Result 1065 states and 1359 transitions. [2024-12-02 12:36:44,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 12:36:44,977 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 10.6) internal successors, (106), 11 states have internal predecessors, (106), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) Word has length 106 [2024-12-02 12:36:44,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:36:44,979 INFO L225 Difference]: With dead ends: 1065 [2024-12-02 12:36:44,979 INFO L226 Difference]: Without dead ends: 1063 [2024-12-02 12:36:44,979 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2024-12-02 12:36:44,980 INFO L435 NwaCegarLoop]: 91 mSDtfsCounter, 445 mSDsluCounter, 341 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 461 SdHoareTripleChecker+Valid, 432 SdHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 12:36:44,980 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [461 Valid, 432 Invalid, 216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 12:36:44,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1063 states. [2024-12-02 12:36:45,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1063 to 705. [2024-12-02 12:36:45,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 705 states, 605 states have (on average 1.2793388429752066) internal successors, (774), 619 states have internal predecessors, (774), 75 states have call successors, (75), 10 states have call predecessors, (75), 10 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2024-12-02 12:36:45,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 705 states and 924 transitions. [2024-12-02 12:36:45,017 INFO L78 Accepts]: Start accepts. Automaton has 705 states and 924 transitions. Word has length 106 [2024-12-02 12:36:45,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:36:45,017 INFO L471 AbstractCegarLoop]: Abstraction has 705 states and 924 transitions. [2024-12-02 12:36:45,018 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 10.6) internal successors, (106), 11 states have internal predecessors, (106), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2024-12-02 12:36:45,018 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 924 transitions. [2024-12-02 12:36:45,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-12-02 12:36:45,019 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:36:45,019 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:36:45,029 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-12-02 12:36:45,219 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:36:45,219 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-12-02 12:36:45,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:36:45,220 INFO L85 PathProgramCache]: Analyzing trace with hash 932747090, now seen corresponding path program 2 times [2024-12-02 12:36:45,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:36:45,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489330344] [2024-12-02 12:36:45,220 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 12:36:45,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:36:45,236 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-02 12:36:45,237 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-12-02 12:36:45,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1530182595] [2024-12-02 12:36:45,237 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 12:36:45,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:36:45,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:36:45,239 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:36:45,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-12-02 12:36:45,297 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-02 12:36:45,298 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 12:36:45,299 INFO L256 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-02 12:36:45,300 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:36:45,782 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 12:36:45,782 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:36:46,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:36:46,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489330344] [2024-12-02 12:36:46,469 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-12-02 12:36:46,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1530182595] [2024-12-02 12:36:46,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1530182595] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:36:46,469 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-12-02 12:36:46,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-12-02 12:36:46,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104944484] [2024-12-02 12:36:46,470 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-12-02 12:36:46,470 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 12:36:46,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:36:46,470 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 12:36:46,471 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=220, Unknown=0, NotChecked=0, Total=272 [2024-12-02 12:36:46,471 INFO L87 Difference]: Start difference. First operand 705 states and 924 transitions. Second operand has 12 states, 11 states have (on average 5.636363636363637) internal successors, (62), 12 states have internal predecessors, (62), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2024-12-02 12:36:47,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:36:47,012 INFO L93 Difference]: Finished difference Result 733 states and 959 transitions. [2024-12-02 12:36:47,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 12:36:47,012 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.636363636363637) internal successors, (62), 12 states have internal predecessors, (62), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) Word has length 114 [2024-12-02 12:36:47,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:36:47,014 INFO L225 Difference]: With dead ends: 733 [2024-12-02 12:36:47,014 INFO L226 Difference]: Without dead ends: 732 [2024-12-02 12:36:47,015 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=62, Invalid=244, Unknown=0, NotChecked=0, Total=306 [2024-12-02 12:36:47,015 INFO L435 NwaCegarLoop]: 88 mSDtfsCounter, 34 mSDsluCounter, 457 mSDsCounter, 0 mSdLazyCounter, 1003 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 545 SdHoareTripleChecker+Invalid, 1004 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1003 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 12:36:47,015 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 545 Invalid, 1004 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1003 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 12:36:47,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 732 states. [2024-12-02 12:36:47,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 732 to 705. [2024-12-02 12:36:47,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 705 states, 605 states have (on average 1.2776859504132232) internal successors, (773), 619 states have internal predecessors, (773), 75 states have call successors, (75), 10 states have call predecessors, (75), 10 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2024-12-02 12:36:47,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 705 states and 923 transitions. [2024-12-02 12:36:47,051 INFO L78 Accepts]: Start accepts. Automaton has 705 states and 923 transitions. Word has length 114 [2024-12-02 12:36:47,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:36:47,052 INFO L471 AbstractCegarLoop]: Abstraction has 705 states and 923 transitions. [2024-12-02 12:36:47,052 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.636363636363637) internal successors, (62), 12 states have internal predecessors, (62), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2024-12-02 12:36:47,052 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 923 transitions. [2024-12-02 12:36:47,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-12-02 12:36:47,053 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:36:47,053 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:36:47,059 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-12-02 12:36:47,253 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:36:47,253 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-12-02 12:36:47,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:36:47,254 INFO L85 PathProgramCache]: Analyzing trace with hash 1074344237, now seen corresponding path program 1 times [2024-12-02 12:36:47,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:36:47,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363104263] [2024-12-02 12:36:47,254 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:36:47,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:36:47,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:36:47,340 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 10 proven. 37 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-12-02 12:36:47,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:36:47,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363104263] [2024-12-02 12:36:47,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363104263] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:36:47,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1998055551] [2024-12-02 12:36:47,340 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:36:47,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:36:47,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:36:47,342 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:36:47,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-12-02 12:36:47,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:36:47,401 INFO L256 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 12:36:47,403 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:36:47,602 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 359 trivial. 0 not checked. [2024-12-02 12:36:47,602 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:36:47,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1998055551] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:36:47,602 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 12:36:47,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-12-02 12:36:47,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761662276] [2024-12-02 12:36:47,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:36:47,603 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:36:47,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:36:47,603 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:36:47,603 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 12:36:47,603 INFO L87 Difference]: Start difference. First operand 705 states and 923 transitions. Second operand has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-12-02 12:36:47,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:36:47,687 INFO L93 Difference]: Finished difference Result 711 states and 925 transitions. [2024-12-02 12:36:47,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:36:47,688 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 127 [2024-12-02 12:36:47,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:36:47,690 INFO L225 Difference]: With dead ends: 711 [2024-12-02 12:36:47,690 INFO L226 Difference]: Without dead ends: 706 [2024-12-02 12:36:47,690 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 128 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 12:36:47,691 INFO L435 NwaCegarLoop]: 54 mSDtfsCounter, 10 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:36:47,691 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 83 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:36:47,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 706 states. [2024-12-02 12:36:47,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 706 to 699. [2024-12-02 12:36:47,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 699 states, 599 states have (on average 1.2520868113522539) internal successors, (750), 613 states have internal predecessors, (750), 75 states have call successors, (75), 10 states have call predecessors, (75), 10 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2024-12-02 12:36:47,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 900 transitions. [2024-12-02 12:36:47,723 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 900 transitions. Word has length 127 [2024-12-02 12:36:47,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:36:47,724 INFO L471 AbstractCegarLoop]: Abstraction has 699 states and 900 transitions. [2024-12-02 12:36:47,724 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-12-02 12:36:47,724 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 900 transitions. [2024-12-02 12:36:47,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-12-02 12:36:47,725 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:36:47,725 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:36:47,732 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2024-12-02 12:36:47,925 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:36:47,926 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-12-02 12:36:47,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:36:47,926 INFO L85 PathProgramCache]: Analyzing trace with hash 664453745, now seen corresponding path program 2 times [2024-12-02 12:36:47,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:36:47,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90002266] [2024-12-02 12:36:47,926 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 12:36:47,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:36:47,935 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-02 12:36:47,935 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 12:36:48,052 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-12-02 12:36:48,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:36:48,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90002266] [2024-12-02 12:36:48,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90002266] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:36:48,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [662678286] [2024-12-02 12:36:48,052 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 12:36:48,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:36:48,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:36:48,054 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:36:48,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-12-02 12:36:48,114 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-02 12:36:48,114 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 12:36:48,115 INFO L256 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 12:36:48,117 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:36:48,210 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 34 proven. 13 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-12-02 12:36:48,210 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:36:48,355 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 34 proven. 13 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-12-02 12:36:48,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [662678286] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 12:36:48,356 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 12:36:48,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 8 [2024-12-02 12:36:48,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471647995] [2024-12-02 12:36:48,356 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 12:36:48,356 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 12:36:48,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:36:48,357 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 12:36:48,357 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-12-02 12:36:48,357 INFO L87 Difference]: Start difference. First operand 699 states and 900 transitions. Second operand has 8 states, 8 states have (on average 14.625) internal successors, (117), 8 states have internal predecessors, (117), 6 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 6 states have call predecessors, (23), 6 states have call successors, (23) [2024-12-02 12:36:48,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:36:48,478 INFO L93 Difference]: Finished difference Result 722 states and 918 transitions. [2024-12-02 12:36:48,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 12:36:48,479 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.625) internal successors, (117), 8 states have internal predecessors, (117), 6 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 6 states have call predecessors, (23), 6 states have call successors, (23) Word has length 128 [2024-12-02 12:36:48,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:36:48,481 INFO L225 Difference]: With dead ends: 722 [2024-12-02 12:36:48,481 INFO L226 Difference]: Without dead ends: 715 [2024-12-02 12:36:48,481 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 261 GetRequests, 251 SyntacticMatches, 4 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-12-02 12:36:48,482 INFO L435 NwaCegarLoop]: 86 mSDtfsCounter, 70 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 12:36:48,482 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 260 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 12:36:48,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 715 states. [2024-12-02 12:36:48,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 715 to 699. [2024-12-02 12:36:48,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 699 states, 599 states have (on average 1.2454090150250416) internal successors, (746), 613 states have internal predecessors, (746), 75 states have call successors, (75), 10 states have call predecessors, (75), 10 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2024-12-02 12:36:48,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 896 transitions. [2024-12-02 12:36:48,545 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 896 transitions. Word has length 128 [2024-12-02 12:36:48,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:36:48,546 INFO L471 AbstractCegarLoop]: Abstraction has 699 states and 896 transitions. [2024-12-02 12:36:48,546 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.625) internal successors, (117), 8 states have internal predecessors, (117), 6 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 6 states have call predecessors, (23), 6 states have call successors, (23) [2024-12-02 12:36:48,546 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 896 transitions. [2024-12-02 12:36:48,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-12-02 12:36:48,547 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:36:48,547 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 1, 1, 1] [2024-12-02 12:36:48,558 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-12-02 12:36:48,747 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:36:48,748 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-12-02 12:36:48,748 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:36:48,748 INFO L85 PathProgramCache]: Analyzing trace with hash 1729782705, now seen corresponding path program 2 times [2024-12-02 12:36:48,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:36:48,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889606696] [2024-12-02 12:36:48,748 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 12:36:48,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:36:48,759 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-02 12:36:48,759 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 12:36:48,828 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-12-02 12:36:48,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:36:48,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889606696] [2024-12-02 12:36:48,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1889606696] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:36:48,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [802669945] [2024-12-02 12:36:48,828 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 12:36:48,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:36:48,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:36:48,830 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:36:48,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-12-02 12:36:48,886 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-02 12:36:48,886 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 12:36:48,887 INFO L256 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-02 12:36:48,889 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:36:48,964 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-12-02 12:36:48,964 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:36:49,100 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-12-02 12:36:49,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [802669945] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 12:36:49,100 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 12:36:49,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2024-12-02 12:36:49,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572062054] [2024-12-02 12:36:49,101 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 12:36:49,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 12:36:49,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:36:49,102 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 12:36:49,102 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-12-02 12:36:49,102 INFO L87 Difference]: Start difference. First operand 699 states and 896 transitions. Second operand has 13 states, 12 states have (on average 10.166666666666666) internal successors, (122), 13 states have internal predecessors, (122), 11 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 11 states have call predecessors, (33), 11 states have call successors, (33) [2024-12-02 12:36:49,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:36:49,426 INFO L93 Difference]: Finished difference Result 1541 states and 2016 transitions. [2024-12-02 12:36:49,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 12:36:49,427 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 10.166666666666666) internal successors, (122), 13 states have internal predecessors, (122), 11 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 11 states have call predecessors, (33), 11 states have call successors, (33) Word has length 130 [2024-12-02 12:36:49,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:36:49,433 INFO L225 Difference]: With dead ends: 1541 [2024-12-02 12:36:49,433 INFO L226 Difference]: Without dead ends: 1539 [2024-12-02 12:36:49,434 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 264 GetRequests, 253 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-12-02 12:36:49,435 INFO L435 NwaCegarLoop]: 88 mSDtfsCounter, 474 mSDsluCounter, 418 mSDsCounter, 0 mSdLazyCounter, 249 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 494 SdHoareTripleChecker+Valid, 506 SdHoareTripleChecker+Invalid, 280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 249 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 12:36:49,435 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [494 Valid, 506 Invalid, 280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 249 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 12:36:49,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1539 states. [2024-12-02 12:36:49,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1539 to 725. [2024-12-02 12:36:49,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 725 states, 619 states have (on average 1.235864297253635) internal successors, (765), 633 states have internal predecessors, (765), 81 states have call successors, (81), 10 states have call predecessors, (81), 10 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-12-02 12:36:49,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 725 states to 725 states and 927 transitions. [2024-12-02 12:36:49,526 INFO L78 Accepts]: Start accepts. Automaton has 725 states and 927 transitions. Word has length 130 [2024-12-02 12:36:49,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:36:49,527 INFO L471 AbstractCegarLoop]: Abstraction has 725 states and 927 transitions. [2024-12-02 12:36:49,527 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 10.166666666666666) internal successors, (122), 13 states have internal predecessors, (122), 11 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 11 states have call predecessors, (33), 11 states have call successors, (33) [2024-12-02 12:36:49,527 INFO L276 IsEmpty]: Start isEmpty. Operand 725 states and 927 transitions. [2024-12-02 12:36:49,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-12-02 12:36:49,528 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:36:49,528 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:36:49,537 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2024-12-02 12:36:49,728 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:36:49,729 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-12-02 12:36:49,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:36:49,729 INFO L85 PathProgramCache]: Analyzing trace with hash 1726289507, now seen corresponding path program 1 times [2024-12-02 12:36:49,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:36:49,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599463672] [2024-12-02 12:36:49,729 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:36:49,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:36:49,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:36:49,935 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-12-02 12:36:49,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:36:49,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599463672] [2024-12-02 12:36:49,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1599463672] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:36:49,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [181153153] [2024-12-02 12:36:49,935 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:36:49,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:36:49,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:36:49,937 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:36:49,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-12-02 12:36:49,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:36:50,000 INFO L256 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-02 12:36:50,003 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:36:50,298 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 28 proven. 24 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-12-02 12:36:50,298 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:36:50,692 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 34 proven. 18 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-12-02 12:36:50,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [181153153] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 12:36:50,692 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 12:36:50,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6, 6] total 19 [2024-12-02 12:36:50,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474081389] [2024-12-02 12:36:50,693 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 12:36:50,693 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-12-02 12:36:50,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:36:50,694 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-12-02 12:36:50,694 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=287, Unknown=0, NotChecked=0, Total=380 [2024-12-02 12:36:50,694 INFO L87 Difference]: Start difference. First operand 725 states and 927 transitions. Second operand has 20 states, 19 states have (on average 10.31578947368421) internal successors, (196), 20 states have internal predecessors, (196), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2024-12-02 12:36:51,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:36:51,350 INFO L93 Difference]: Finished difference Result 1024 states and 1312 transitions. [2024-12-02 12:36:51,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-12-02 12:36:51,350 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 10.31578947368421) internal successors, (196), 20 states have internal predecessors, (196), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) Word has length 130 [2024-12-02 12:36:51,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:36:51,354 INFO L225 Difference]: With dead ends: 1024 [2024-12-02 12:36:51,354 INFO L226 Difference]: Without dead ends: 914 [2024-12-02 12:36:51,355 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 283 GetRequests, 249 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 297 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=346, Invalid=914, Unknown=0, NotChecked=0, Total=1260 [2024-12-02 12:36:51,355 INFO L435 NwaCegarLoop]: 91 mSDtfsCounter, 492 mSDsluCounter, 627 mSDsCounter, 0 mSdLazyCounter, 474 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 494 SdHoareTripleChecker+Valid, 718 SdHoareTripleChecker+Invalid, 555 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 474 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 12:36:51,355 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [494 Valid, 718 Invalid, 555 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 474 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 12:36:51,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 914 states. [2024-12-02 12:36:51,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 914 to 711. [2024-12-02 12:36:51,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 711 states, 601 states have (on average 1.259567387687188) internal successors, (757), 615 states have internal predecessors, (757), 85 states have call successors, (85), 10 states have call predecessors, (85), 10 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2024-12-02 12:36:51,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 711 states to 711 states and 927 transitions. [2024-12-02 12:36:51,397 INFO L78 Accepts]: Start accepts. Automaton has 711 states and 927 transitions. Word has length 130 [2024-12-02 12:36:51,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:36:51,397 INFO L471 AbstractCegarLoop]: Abstraction has 711 states and 927 transitions. [2024-12-02 12:36:51,397 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 10.31578947368421) internal successors, (196), 20 states have internal predecessors, (196), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2024-12-02 12:36:51,397 INFO L276 IsEmpty]: Start isEmpty. Operand 711 states and 927 transitions. [2024-12-02 12:36:51,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-12-02 12:36:51,398 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:36:51,398 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-12-02 12:36:51,407 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2024-12-02 12:36:51,599 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:36:51,599 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-12-02 12:36:51,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:36:51,599 INFO L85 PathProgramCache]: Analyzing trace with hash -397359431, now seen corresponding path program 1 times [2024-12-02 12:36:51,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:36:51,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424117402] [2024-12-02 12:36:51,599 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:36:51,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:36:51,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:36:51,777 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 21 proven. 21 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-12-02 12:36:51,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:36:51,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424117402] [2024-12-02 12:36:51,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1424117402] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:36:51,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2043092245] [2024-12-02 12:36:51,778 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:36:51,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:36:51,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:36:51,780 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:36:51,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-12-02 12:36:51,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:36:51,842 INFO L256 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-02 12:36:51,844 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:36:52,075 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 34 proven. 21 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-12-02 12:36:52,075 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:36:54,891 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-12-02 12:36:54,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2043092245] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 12:36:54,892 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 12:36:54,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 8] total 20 [2024-12-02 12:36:54,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5024496] [2024-12-02 12:36:54,892 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 12:36:54,892 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-12-02 12:36:54,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:36:54,893 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-12-02 12:36:54,893 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=289, Unknown=0, NotChecked=0, Total=420 [2024-12-02 12:36:54,893 INFO L87 Difference]: Start difference. First operand 711 states and 927 transitions. Second operand has 21 states, 20 states have (on average 10.1) internal successors, (202), 21 states have internal predecessors, (202), 11 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 11 states have call predecessors, (36), 11 states have call successors, (36) [2024-12-02 12:36:55,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:36:55,324 INFO L93 Difference]: Finished difference Result 956 states and 1278 transitions. [2024-12-02 12:36:55,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 12:36:55,325 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 10.1) internal successors, (202), 21 states have internal predecessors, (202), 11 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 11 states have call predecessors, (36), 11 states have call successors, (36) Word has length 135 [2024-12-02 12:36:55,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:36:55,328 INFO L225 Difference]: With dead ends: 956 [2024-12-02 12:36:55,328 INFO L226 Difference]: Without dead ends: 955 [2024-12-02 12:36:55,329 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 258 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 191 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=204, Invalid=396, Unknown=0, NotChecked=0, Total=600 [2024-12-02 12:36:55,329 INFO L435 NwaCegarLoop]: 83 mSDtfsCounter, 532 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 375 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 536 SdHoareTripleChecker+Valid, 373 SdHoareTripleChecker+Invalid, 461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 375 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 12:36:55,329 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [536 Valid, 373 Invalid, 461 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 375 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 12:36:55,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 955 states. [2024-12-02 12:36:55,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 955 to 710. [2024-12-02 12:36:55,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 710 states, 601 states have (on average 1.2529118136439268) internal successors, (753), 614 states have internal predecessors, (753), 85 states have call successors, (85), 10 states have call predecessors, (85), 10 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2024-12-02 12:36:55,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 710 states to 710 states and 923 transitions. [2024-12-02 12:36:55,377 INFO L78 Accepts]: Start accepts. Automaton has 710 states and 923 transitions. Word has length 135 [2024-12-02 12:36:55,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:36:55,378 INFO L471 AbstractCegarLoop]: Abstraction has 710 states and 923 transitions. [2024-12-02 12:36:55,378 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 10.1) internal successors, (202), 21 states have internal predecessors, (202), 11 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 11 states have call predecessors, (36), 11 states have call successors, (36) [2024-12-02 12:36:55,378 INFO L276 IsEmpty]: Start isEmpty. Operand 710 states and 923 transitions. [2024-12-02 12:36:55,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-12-02 12:36:55,378 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:36:55,379 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:36:55,385 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2024-12-02 12:36:55,579 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-12-02 12:36:55,579 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-12-02 12:36:55,579 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:36:55,579 INFO L85 PathProgramCache]: Analyzing trace with hash -397103227, now seen corresponding path program 1 times [2024-12-02 12:36:55,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:36:55,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843020084] [2024-12-02 12:36:55,580 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:36:55,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:36:55,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:36:55,771 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-12-02 12:36:55,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:36:55,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843020084] [2024-12-02 12:36:55,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1843020084] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:36:55,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1252543886] [2024-12-02 12:36:55,771 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:36:55,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:36:55,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:36:55,773 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:36:55,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-12-02 12:36:55,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:36:55,833 INFO L256 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-02 12:36:55,835 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:36:56,084 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 6 proven. 320 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-12-02 12:36:56,084 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:36:56,347 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 6 proven. 52 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-12-02 12:36:56,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1252543886] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 12:36:56,347 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 12:36:56,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12, 12] total 36 [2024-12-02 12:36:56,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677777757] [2024-12-02 12:36:56,347 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 12:36:56,348 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-12-02 12:36:56,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:36:56,349 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-12-02 12:36:56,349 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=285, Invalid=1047, Unknown=0, NotChecked=0, Total=1332 [2024-12-02 12:36:56,349 INFO L87 Difference]: Start difference. First operand 710 states and 923 transitions. Second operand has 37 states, 36 states have (on average 6.222222222222222) internal successors, (224), 37 states have internal predecessors, (224), 15 states have call successors, (39), 6 states have call predecessors, (39), 6 states have return successors, (39), 15 states have call predecessors, (39), 15 states have call successors, (39) [2024-12-02 12:36:57,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:36:57,024 INFO L93 Difference]: Finished difference Result 2139 states and 2840 transitions. [2024-12-02 12:36:57,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-12-02 12:36:57,024 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 36 states have (on average 6.222222222222222) internal successors, (224), 37 states have internal predecessors, (224), 15 states have call successors, (39), 6 states have call predecessors, (39), 6 states have return successors, (39), 15 states have call predecessors, (39), 15 states have call successors, (39) Word has length 135 [2024-12-02 12:36:57,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:36:57,028 INFO L225 Difference]: With dead ends: 2139 [2024-12-02 12:36:57,028 INFO L226 Difference]: Without dead ends: 2131 [2024-12-02 12:36:57,029 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 308 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 776 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=926, Invalid=2980, Unknown=0, NotChecked=0, Total=3906 [2024-12-02 12:36:57,030 INFO L435 NwaCegarLoop]: 64 mSDtfsCounter, 481 mSDsluCounter, 782 mSDsCounter, 0 mSdLazyCounter, 278 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 481 SdHoareTripleChecker+Valid, 846 SdHoareTripleChecker+Invalid, 312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 12:36:57,030 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [481 Valid, 846 Invalid, 312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 278 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 12:36:57,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2131 states. [2024-12-02 12:36:57,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2131 to 2036. [2024-12-02 12:36:57,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2036 states, 1796 states have (on average 1.2761692650334076) internal successors, (2292), 1809 states have internal predecessors, (2292), 209 states have call successors, (209), 17 states have call predecessors, (209), 17 states have return successors, (209), 209 states have call predecessors, (209), 209 states have call successors, (209) [2024-12-02 12:36:57,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2036 states to 2036 states and 2710 transitions. [2024-12-02 12:36:57,137 INFO L78 Accepts]: Start accepts. Automaton has 2036 states and 2710 transitions. Word has length 135 [2024-12-02 12:36:57,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:36:57,137 INFO L471 AbstractCegarLoop]: Abstraction has 2036 states and 2710 transitions. [2024-12-02 12:36:57,137 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 36 states have (on average 6.222222222222222) internal successors, (224), 37 states have internal predecessors, (224), 15 states have call successors, (39), 6 states have call predecessors, (39), 6 states have return successors, (39), 15 states have call predecessors, (39), 15 states have call successors, (39) [2024-12-02 12:36:57,138 INFO L276 IsEmpty]: Start isEmpty. Operand 2036 states and 2710 transitions. [2024-12-02 12:36:57,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-12-02 12:36:57,138 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:36:57,138 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-12-02 12:36:57,144 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2024-12-02 12:36:57,338 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-12-02 12:36:57,339 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-12-02 12:36:57,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:36:57,339 INFO L85 PathProgramCache]: Analyzing trace with hash 566759647, now seen corresponding path program 1 times [2024-12-02 12:36:57,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:36:57,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407616609] [2024-12-02 12:36:57,340 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:36:57,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:36:57,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:36:57,553 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-12-02 12:36:57,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:36:57,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407616609] [2024-12-02 12:36:57,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [407616609] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:36:57,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [366813522] [2024-12-02 12:36:57,553 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:36:57,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:36:57,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:36:57,555 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:36:57,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-12-02 12:36:57,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:36:57,608 INFO L256 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-02 12:36:57,610 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:36:57,870 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-12-02 12:36:57,870 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:36:59,343 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-12-02 12:36:59,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [366813522] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 12:36:59,343 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 12:36:59,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 7] total 21 [2024-12-02 12:36:59,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89452783] [2024-12-02 12:36:59,343 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 12:36:59,344 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-12-02 12:36:59,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:36:59,344 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-12-02 12:36:59,344 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=164, Invalid=298, Unknown=0, NotChecked=0, Total=462 [2024-12-02 12:36:59,344 INFO L87 Difference]: Start difference. First operand 2036 states and 2710 transitions. Second operand has 22 states, 21 states have (on average 10.19047619047619) internal successors, (214), 22 states have internal predecessors, (214), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2024-12-02 12:37:00,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:37:00,471 INFO L93 Difference]: Finished difference Result 2840 states and 3773 transitions. [2024-12-02 12:37:00,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-02 12:37:00,471 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 10.19047619047619) internal successors, (214), 22 states have internal predecessors, (214), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) Word has length 136 [2024-12-02 12:37:00,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:37:00,480 INFO L225 Difference]: With dead ends: 2840 [2024-12-02 12:37:00,480 INFO L226 Difference]: Without dead ends: 2839 [2024-12-02 12:37:00,481 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 290 GetRequests, 259 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 282 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=397, Invalid=659, Unknown=0, NotChecked=0, Total=1056 [2024-12-02 12:37:00,482 INFO L435 NwaCegarLoop]: 96 mSDtfsCounter, 488 mSDsluCounter, 642 mSDsCounter, 0 mSdLazyCounter, 755 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 492 SdHoareTripleChecker+Valid, 738 SdHoareTripleChecker+Invalid, 830 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 755 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 12:37:00,482 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [492 Valid, 738 Invalid, 830 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 755 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 12:37:00,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2839 states. [2024-12-02 12:37:00,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2839 to 2531. [2024-12-02 12:37:00,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2531 states, 2249 states have (on average 1.2738995108937305) internal successors, (2865), 2262 states have internal predecessors, (2865), 251 states have call successors, (251), 17 states have call predecessors, (251), 17 states have return successors, (251), 251 states have call predecessors, (251), 251 states have call successors, (251) [2024-12-02 12:37:00,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2531 states to 2531 states and 3367 transitions. [2024-12-02 12:37:00,659 INFO L78 Accepts]: Start accepts. Automaton has 2531 states and 3367 transitions. Word has length 136 [2024-12-02 12:37:00,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:37:00,660 INFO L471 AbstractCegarLoop]: Abstraction has 2531 states and 3367 transitions. [2024-12-02 12:37:00,660 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 10.19047619047619) internal successors, (214), 22 states have internal predecessors, (214), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2024-12-02 12:37:00,660 INFO L276 IsEmpty]: Start isEmpty. Operand 2531 states and 3367 transitions. [2024-12-02 12:37:00,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-12-02 12:37:00,660 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:37:00,661 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:37:00,669 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2024-12-02 12:37:00,861 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-12-02 12:37:00,861 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-12-02 12:37:00,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:37:00,861 INFO L85 PathProgramCache]: Analyzing trace with hash -1945923821, now seen corresponding path program 1 times [2024-12-02 12:37:00,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:37:00,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166021774] [2024-12-02 12:37:00,862 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:37:00,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:37:00,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:37:01,031 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 12:37:01,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:37:01,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166021774] [2024-12-02 12:37:01,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166021774] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:37:01,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [614839837] [2024-12-02 12:37:01,031 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:37:01,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:37:01,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:37:01,033 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:37:01,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-12-02 12:37:01,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:37:01,094 INFO L256 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-02 12:37:01,096 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:37:01,232 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 0 proven. 388 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-12-02 12:37:01,232 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:37:01,452 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 12:37:01,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [614839837] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 12:37:01,453 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 12:37:01,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13, 14] total 29 [2024-12-02 12:37:01,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712401755] [2024-12-02 12:37:01,453 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 12:37:01,453 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-12-02 12:37:01,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:37:01,454 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-12-02 12:37:01,454 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=195, Invalid=617, Unknown=0, NotChecked=0, Total=812 [2024-12-02 12:37:01,455 INFO L87 Difference]: Start difference. First operand 2531 states and 3367 transitions. Second operand has 29 states, 29 states have (on average 5.413793103448276) internal successors, (157), 29 states have internal predecessors, (157), 10 states have call successors, (42), 6 states have call predecessors, (42), 6 states have return successors, (42), 10 states have call predecessors, (42), 10 states have call successors, (42) [2024-12-02 12:37:02,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:37:02,035 INFO L93 Difference]: Finished difference Result 3171 states and 4159 transitions. [2024-12-02 12:37:02,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-12-02 12:37:02,035 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 5.413793103448276) internal successors, (157), 29 states have internal predecessors, (157), 10 states have call successors, (42), 6 states have call predecessors, (42), 6 states have return successors, (42), 10 states have call predecessors, (42), 10 states have call successors, (42) Word has length 137 [2024-12-02 12:37:02,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:37:02,042 INFO L225 Difference]: With dead ends: 3171 [2024-12-02 12:37:02,042 INFO L226 Difference]: Without dead ends: 2686 [2024-12-02 12:37:02,044 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 314 GetRequests, 260 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 790 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=694, Invalid=2386, Unknown=0, NotChecked=0, Total=3080 [2024-12-02 12:37:02,044 INFO L435 NwaCegarLoop]: 63 mSDtfsCounter, 240 mSDsluCounter, 556 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 240 SdHoareTripleChecker+Valid, 619 SdHoareTripleChecker+Invalid, 259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 12:37:02,044 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [240 Valid, 619 Invalid, 259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 12:37:02,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2686 states. [2024-12-02 12:37:02,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2686 to 2661. [2024-12-02 12:37:02,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2661 states, 2365 states have (on average 1.2634249471458774) internal successors, (2988), 2378 states have internal predecessors, (2988), 259 states have call successors, (259), 23 states have call predecessors, (259), 23 states have return successors, (259), 259 states have call predecessors, (259), 259 states have call successors, (259) [2024-12-02 12:37:02,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2661 states to 2661 states and 3506 transitions. [2024-12-02 12:37:02,183 INFO L78 Accepts]: Start accepts. Automaton has 2661 states and 3506 transitions. Word has length 137 [2024-12-02 12:37:02,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:37:02,183 INFO L471 AbstractCegarLoop]: Abstraction has 2661 states and 3506 transitions. [2024-12-02 12:37:02,184 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 5.413793103448276) internal successors, (157), 29 states have internal predecessors, (157), 10 states have call successors, (42), 6 states have call predecessors, (42), 6 states have return successors, (42), 10 states have call predecessors, (42), 10 states have call successors, (42) [2024-12-02 12:37:02,184 INFO L276 IsEmpty]: Start isEmpty. Operand 2661 states and 3506 transitions. [2024-12-02 12:37:02,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-12-02 12:37:02,184 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:37:02,184 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:37:02,190 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2024-12-02 12:37:02,385 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-12-02 12:37:02,385 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-12-02 12:37:02,385 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:37:02,385 INFO L85 PathProgramCache]: Analyzing trace with hash -1846029681, now seen corresponding path program 3 times [2024-12-02 12:37:02,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:37:02,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544516295] [2024-12-02 12:37:02,385 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-02 12:37:02,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:37:02,409 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-12-02 12:37:02,409 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-12-02 12:37:02,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [672758142] [2024-12-02 12:37:02,410 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-02 12:37:02,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:37:02,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:37:02,412 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:37:02,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-12-02 12:37:02,459 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-12-02 12:37:02,459 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 12:37:02,460 INFO L256 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-02 12:37:02,469 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:37:02,927 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 39 proven. 8 refuted. 0 times theorem prover too weak. 397 trivial. 0 not checked. [2024-12-02 12:37:02,927 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:37:20,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:37:20,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544516295] [2024-12-02 12:37:20,792 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-12-02 12:37:20,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [672758142] [2024-12-02 12:37:20,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [672758142] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:37:20,792 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-12-02 12:37:20,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-12-02 12:37:20,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328515427] [2024-12-02 12:37:20,793 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-12-02 12:37:20,793 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 12:37:20,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:37:20,794 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 12:37:20,794 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=177, Unknown=4, NotChecked=0, Total=240 [2024-12-02 12:37:20,794 INFO L87 Difference]: Start difference. First operand 2661 states and 3506 transitions. Second operand has 10 states, 9 states have (on average 5.333333333333333) internal successors, (48), 10 states have internal predecessors, (48), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2024-12-02 12:37:21,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:37:21,511 INFO L93 Difference]: Finished difference Result 2724 states and 3568 transitions. [2024-12-02 12:37:21,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 12:37:21,511 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 5.333333333333333) internal successors, (48), 10 states have internal predecessors, (48), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) Word has length 140 [2024-12-02 12:37:21,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:37:21,522 INFO L225 Difference]: With dead ends: 2724 [2024-12-02 12:37:21,522 INFO L226 Difference]: Without dead ends: 2723 [2024-12-02 12:37:21,523 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 17.0s TimeCoverageRelationStatistics Valid=99, Invalid=277, Unknown=4, NotChecked=0, Total=380 [2024-12-02 12:37:21,524 INFO L435 NwaCegarLoop]: 27 mSDtfsCounter, 100 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 325 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 12:37:21,524 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 165 Invalid, 343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 325 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 12:37:21,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2723 states. [2024-12-02 12:37:21,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2723 to 2661. [2024-12-02 12:37:21,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2661 states, 2365 states have (on average 1.255813953488372) internal successors, (2970), 2378 states have internal predecessors, (2970), 259 states have call successors, (259), 23 states have call predecessors, (259), 23 states have return successors, (259), 259 states have call predecessors, (259), 259 states have call successors, (259) [2024-12-02 12:37:21,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2661 states to 2661 states and 3488 transitions. [2024-12-02 12:37:21,794 INFO L78 Accepts]: Start accepts. Automaton has 2661 states and 3488 transitions. Word has length 140 [2024-12-02 12:37:21,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:37:21,794 INFO L471 AbstractCegarLoop]: Abstraction has 2661 states and 3488 transitions. [2024-12-02 12:37:21,794 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 5.333333333333333) internal successors, (48), 10 states have internal predecessors, (48), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2024-12-02 12:37:21,795 INFO L276 IsEmpty]: Start isEmpty. Operand 2661 states and 3488 transitions. [2024-12-02 12:37:21,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-12-02 12:37:21,796 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:37:21,796 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2024-12-02 12:37:21,807 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2024-12-02 12:37:21,996 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:37:21,996 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-12-02 12:37:21,997 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:37:21,997 INFO L85 PathProgramCache]: Analyzing trace with hash -1989932688, now seen corresponding path program 2 times [2024-12-02 12:37:21,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:37:21,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521472595] [2024-12-02 12:37:21,997 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 12:37:21,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:37:22,021 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-02 12:37:22,021 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-12-02 12:37:22,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1763666849] [2024-12-02 12:37:22,023 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 12:37:22,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:37:22,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:37:22,025 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:37:22,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-12-02 12:37:22,069 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-02 12:37:22,069 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 12:37:22,070 INFO L256 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 12:37:22,072 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:37:22,361 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 367 trivial. 0 not checked. [2024-12-02 12:37:22,361 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:37:22,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:37:22,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521472595] [2024-12-02 12:37:22,361 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-12-02 12:37:22,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1763666849] [2024-12-02 12:37:22,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1763666849] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:37:22,361 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:37:22,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 12:37:22,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570029722] [2024-12-02 12:37:22,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:37:22,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:37:22,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:37:22,362 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:37:22,362 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:37:22,362 INFO L87 Difference]: Start difference. First operand 2661 states and 3488 transitions. Second operand has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-12-02 12:37:22,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:37:22,715 INFO L93 Difference]: Finished difference Result 2661 states and 3488 transitions. [2024-12-02 12:37:22,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:37:22,716 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 141 [2024-12-02 12:37:22,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:37:22,725 INFO L225 Difference]: With dead ends: 2661 [2024-12-02 12:37:22,725 INFO L226 Difference]: Without dead ends: 2660 [2024-12-02 12:37:22,726 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-12-02 12:37:22,726 INFO L435 NwaCegarLoop]: 46 mSDtfsCounter, 80 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 12:37:22,727 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 80 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 12:37:22,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2660 states. [2024-12-02 12:37:22,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2660 to 2485. [2024-12-02 12:37:22,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2485 states, 2208 states have (on average 1.225090579710145) internal successors, (2705), 2220 states have internal predecessors, (2705), 241 states have call successors, (241), 23 states have call predecessors, (241), 23 states have return successors, (241), 241 states have call predecessors, (241), 241 states have call successors, (241) [2024-12-02 12:37:22,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2485 states to 2485 states and 3187 transitions. [2024-12-02 12:37:22,920 INFO L78 Accepts]: Start accepts. Automaton has 2485 states and 3187 transitions. Word has length 141 [2024-12-02 12:37:22,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:37:22,920 INFO L471 AbstractCegarLoop]: Abstraction has 2485 states and 3187 transitions. [2024-12-02 12:37:22,920 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-12-02 12:37:22,920 INFO L276 IsEmpty]: Start isEmpty. Operand 2485 states and 3187 transitions. [2024-12-02 12:37:22,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-12-02 12:37:22,921 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:37:22,921 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2024-12-02 12:37:22,931 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Ended with exit code 0 [2024-12-02 12:37:23,122 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41 [2024-12-02 12:37:23,122 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-12-02 12:37:23,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:37:23,122 INFO L85 PathProgramCache]: Analyzing trace with hash 1348963944, now seen corresponding path program 4 times [2024-12-02 12:37:23,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:37:23,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637340021] [2024-12-02 12:37:23,123 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-02 12:37:23,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:37:23,143 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-02 12:37:23,143 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 12:37:23,512 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-12-02 12:37:23,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:37:23,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637340021] [2024-12-02 12:37:23,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1637340021] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:37:23,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1140682220] [2024-12-02 12:37:23,512 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-02 12:37:23,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:37:23,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:37:23,514 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:37:23,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-12-02 12:37:23,578 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-02 12:37:23,578 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 12:37:23,579 INFO L256 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-02 12:37:23,581 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:37:24,481 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-12-02 12:37:24,481 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:37:24,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1140682220] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:37:24,921 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 12:37:24,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 13] total 22 [2024-12-02 12:37:24,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131380974] [2024-12-02 12:37:24,921 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 12:37:24,921 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-12-02 12:37:24,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:37:24,922 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-12-02 12:37:24,922 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=563, Unknown=0, NotChecked=0, Total=650 [2024-12-02 12:37:24,922 INFO L87 Difference]: Start difference. First operand 2485 states and 3187 transitions. Second operand has 23 states, 22 states have (on average 7.2727272727272725) internal successors, (160), 23 states have internal predecessors, (160), 10 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 10 states have call predecessors, (26), 10 states have call successors, (26) [2024-12-02 12:37:26,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:37:26,658 INFO L93 Difference]: Finished difference Result 2609 states and 3339 transitions. [2024-12-02 12:37:26,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-02 12:37:26,659 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 7.2727272727272725) internal successors, (160), 23 states have internal predecessors, (160), 10 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 10 states have call predecessors, (26), 10 states have call successors, (26) Word has length 144 [2024-12-02 12:37:26,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:37:26,664 INFO L225 Difference]: With dead ends: 2609 [2024-12-02 12:37:26,664 INFO L226 Difference]: Without dead ends: 2602 [2024-12-02 12:37:26,664 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 148 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 359 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=200, Invalid=1282, Unknown=0, NotChecked=0, Total=1482 [2024-12-02 12:37:26,665 INFO L435 NwaCegarLoop]: 80 mSDtfsCounter, 264 mSDsluCounter, 687 mSDsCounter, 0 mSdLazyCounter, 1106 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 271 SdHoareTripleChecker+Valid, 767 SdHoareTripleChecker+Invalid, 1149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 1106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-12-02 12:37:26,665 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [271 Valid, 767 Invalid, 1149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 1106 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-12-02 12:37:26,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2602 states. [2024-12-02 12:37:26,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2602 to 2486. [2024-12-02 12:37:26,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2486 states, 2209 states have (on average 1.2236306020823902) internal successors, (2703), 2221 states have internal predecessors, (2703), 241 states have call successors, (241), 23 states have call predecessors, (241), 23 states have return successors, (241), 241 states have call predecessors, (241), 241 states have call successors, (241) [2024-12-02 12:37:26,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2486 states to 2486 states and 3185 transitions. [2024-12-02 12:37:26,918 INFO L78 Accepts]: Start accepts. Automaton has 2486 states and 3185 transitions. Word has length 144 [2024-12-02 12:37:26,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:37:26,918 INFO L471 AbstractCegarLoop]: Abstraction has 2486 states and 3185 transitions. [2024-12-02 12:37:26,918 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 7.2727272727272725) internal successors, (160), 23 states have internal predecessors, (160), 10 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 10 states have call predecessors, (26), 10 states have call successors, (26) [2024-12-02 12:37:26,918 INFO L276 IsEmpty]: Start isEmpty. Operand 2486 states and 3185 transitions. [2024-12-02 12:37:26,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-12-02 12:37:26,919 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:37:26,919 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:37:26,928 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Ended with exit code 0 [2024-12-02 12:37:27,120 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42 [2024-12-02 12:37:27,120 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-12-02 12:37:27,120 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:37:27,120 INFO L85 PathProgramCache]: Analyzing trace with hash 736320963, now seen corresponding path program 1 times [2024-12-02 12:37:27,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:37:27,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744292429] [2024-12-02 12:37:27,121 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:37:27,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:37:27,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 12:37:27,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [515490163] [2024-12-02 12:37:27,134 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:37:27,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:37:27,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:37:27,136 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:37:27,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-12-02 12:37:27,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:37:27,200 INFO L256 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 12:37:27,201 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:37:27,459 INFO L134 CoverageAnalysis]: Checked inductivity of 503 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 492 trivial. 0 not checked. [2024-12-02 12:37:27,459 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:37:27,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:37:27,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744292429] [2024-12-02 12:37:27,459 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-12-02 12:37:27,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [515490163] [2024-12-02 12:37:27,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [515490163] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:37:27,459 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:37:27,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:37:27,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481481738] [2024-12-02 12:37:27,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:37:27,460 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 12:37:27,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:37:27,460 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 12:37:27,460 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-12-02 12:37:27,461 INFO L87 Difference]: Start difference. First operand 2486 states and 3185 transitions. Second operand has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-12-02 12:37:27,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:37:27,704 INFO L93 Difference]: Finished difference Result 2493 states and 3191 transitions. [2024-12-02 12:37:27,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 12:37:27,705 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 147 [2024-12-02 12:37:27,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:37:27,710 INFO L225 Difference]: With dead ends: 2493 [2024-12-02 12:37:27,710 INFO L226 Difference]: Without dead ends: 2491 [2024-12-02 12:37:27,710 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-12-02 12:37:27,711 INFO L435 NwaCegarLoop]: 52 mSDtfsCounter, 39 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:37:27,711 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 76 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:37:27,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2491 states. [2024-12-02 12:37:27,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2491 to 1936. [2024-12-02 12:37:27,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1936 states, 1713 states have (on average 1.1873905429071805) internal successors, (2034), 1723 states have internal predecessors, (2034), 189 states have call successors, (189), 23 states have call predecessors, (189), 23 states have return successors, (189), 189 states have call predecessors, (189), 189 states have call successors, (189) [2024-12-02 12:37:27,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1936 states to 1936 states and 2412 transitions. [2024-12-02 12:37:27,875 INFO L78 Accepts]: Start accepts. Automaton has 1936 states and 2412 transitions. Word has length 147 [2024-12-02 12:37:27,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:37:27,875 INFO L471 AbstractCegarLoop]: Abstraction has 1936 states and 2412 transitions. [2024-12-02 12:37:27,876 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-12-02 12:37:27,876 INFO L276 IsEmpty]: Start isEmpty. Operand 1936 states and 2412 transitions. [2024-12-02 12:37:27,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-12-02 12:37:27,877 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:37:27,877 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:37:27,883 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Ended with exit code 0 [2024-12-02 12:37:28,077 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2024-12-02 12:37:28,077 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-12-02 12:37:28,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:37:28,078 INFO L85 PathProgramCache]: Analyzing trace with hash 2141471629, now seen corresponding path program 1 times [2024-12-02 12:37:28,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:37:28,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649863794] [2024-12-02 12:37:28,078 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:37:28,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:37:28,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 12:37:28,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [206946573] [2024-12-02 12:37:28,092 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:37:28,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:37:28,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:37:28,093 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:37:28,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-12-02 12:37:28,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:37:28,151 INFO L256 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-02 12:37:28,152 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:37:28,742 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-12-02 12:37:28,742 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:37:29,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:37:29,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649863794] [2024-12-02 12:37:29,129 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-12-02 12:37:29,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [206946573] [2024-12-02 12:37:29,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [206946573] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:37:29,129 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-12-02 12:37:29,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-12-02 12:37:29,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380815493] [2024-12-02 12:37:29,129 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-12-02 12:37:29,130 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 12:37:29,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:37:29,130 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 12:37:29,130 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2024-12-02 12:37:29,130 INFO L87 Difference]: Start difference. First operand 1936 states and 2412 transitions. Second operand has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 12 states have internal predecessors, (82), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2024-12-02 12:37:29,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:37:29,757 INFO L93 Difference]: Finished difference Result 1938 states and 2413 transitions. [2024-12-02 12:37:29,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 12:37:29,757 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 12 states have internal predecessors, (82), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) Word has length 154 [2024-12-02 12:37:29,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:37:29,760 INFO L225 Difference]: With dead ends: 1938 [2024-12-02 12:37:29,760 INFO L226 Difference]: Without dead ends: 1936 [2024-12-02 12:37:29,760 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2024-12-02 12:37:29,761 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 14 mSDsluCounter, 388 mSDsCounter, 0 mSdLazyCounter, 806 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 463 SdHoareTripleChecker+Invalid, 806 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 806 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 12:37:29,761 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 463 Invalid, 806 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 806 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 12:37:29,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1936 states. [2024-12-02 12:37:29,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1936 to 1936. [2024-12-02 12:37:29,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1936 states, 1713 states have (on average 1.1868067717454758) internal successors, (2033), 1723 states have internal predecessors, (2033), 189 states have call successors, (189), 23 states have call predecessors, (189), 23 states have return successors, (189), 189 states have call predecessors, (189), 189 states have call successors, (189) [2024-12-02 12:37:29,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1936 states to 1936 states and 2411 transitions. [2024-12-02 12:37:29,889 INFO L78 Accepts]: Start accepts. Automaton has 1936 states and 2411 transitions. Word has length 154 [2024-12-02 12:37:29,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:37:29,889 INFO L471 AbstractCegarLoop]: Abstraction has 1936 states and 2411 transitions. [2024-12-02 12:37:29,890 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 12 states have internal predecessors, (82), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2024-12-02 12:37:29,890 INFO L276 IsEmpty]: Start isEmpty. Operand 1936 states and 2411 transitions. [2024-12-02 12:37:29,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-12-02 12:37:29,890 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:37:29,890 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-12-02 12:37:29,898 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Ended with exit code 0 [2024-12-02 12:37:30,091 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2024-12-02 12:37:30,091 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-12-02 12:37:30,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:37:30,091 INFO L85 PathProgramCache]: Analyzing trace with hash 742955783, now seen corresponding path program 3 times [2024-12-02 12:37:30,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:37:30,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263298713] [2024-12-02 12:37:30,091 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-02 12:37:30,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:37:30,112 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2024-12-02 12:37:30,112 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-12-02 12:37:30,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [556532889] [2024-12-02 12:37:30,113 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-02 12:37:30,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:37:30,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:37:30,115 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:37:30,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2024-12-02 12:37:30,170 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-12-02 12:37:30,171 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 12:37:30,172 INFO L256 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-12-02 12:37:30,173 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:37:31,066 INFO L134 CoverageAnalysis]: Checked inductivity of 502 backedges. 120 proven. 50 refuted. 0 times theorem prover too weak. 332 trivial. 0 not checked. [2024-12-02 12:37:31,066 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:37:31,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:37:31,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263298713] [2024-12-02 12:37:31,282 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-12-02 12:37:31,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [556532889] [2024-12-02 12:37:31,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [556532889] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:37:31,282 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-12-02 12:37:31,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-12-02 12:37:31,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028125792] [2024-12-02 12:37:31,283 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-12-02 12:37:31,283 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 12:37:31,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:37:31,283 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 12:37:31,283 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2024-12-02 12:37:31,283 INFO L87 Difference]: Start difference. First operand 1936 states and 2411 transitions. Second operand has 12 states, 11 states have (on average 6.545454545454546) internal successors, (72), 11 states have internal predecessors, (72), 6 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 6 states have call successors, (13) [2024-12-02 12:37:32,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:37:32,461 INFO L93 Difference]: Finished difference Result 1998 states and 2477 transitions. [2024-12-02 12:37:32,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-12-02 12:37:32,461 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.545454545454546) internal successors, (72), 11 states have internal predecessors, (72), 6 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 6 states have call successors, (13) Word has length 158 [2024-12-02 12:37:32,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:37:32,465 INFO L225 Difference]: With dead ends: 1998 [2024-12-02 12:37:32,465 INFO L226 Difference]: Without dead ends: 1996 [2024-12-02 12:37:32,466 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=230, Invalid=700, Unknown=0, NotChecked=0, Total=930 [2024-12-02 12:37:32,466 INFO L435 NwaCegarLoop]: 52 mSDtfsCounter, 228 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 522 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 522 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 12:37:32,466 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [229 Valid, 370 Invalid, 560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 522 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 12:37:32,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1996 states. [2024-12-02 12:37:32,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1996 to 1936. [2024-12-02 12:37:32,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1936 states, 1713 states have (on average 1.186223000583771) internal successors, (2032), 1723 states have internal predecessors, (2032), 189 states have call successors, (189), 23 states have call predecessors, (189), 23 states have return successors, (189), 189 states have call predecessors, (189), 189 states have call successors, (189) [2024-12-02 12:37:32,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1936 states to 1936 states and 2410 transitions. [2024-12-02 12:37:32,616 INFO L78 Accepts]: Start accepts. Automaton has 1936 states and 2410 transitions. Word has length 158 [2024-12-02 12:37:32,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:37:32,617 INFO L471 AbstractCegarLoop]: Abstraction has 1936 states and 2410 transitions. [2024-12-02 12:37:32,617 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.545454545454546) internal successors, (72), 11 states have internal predecessors, (72), 6 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 6 states have call successors, (13) [2024-12-02 12:37:32,617 INFO L276 IsEmpty]: Start isEmpty. Operand 1936 states and 2410 transitions. [2024-12-02 12:37:32,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-12-02 12:37:32,618 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:37:32,618 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2024-12-02 12:37:32,627 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Ended with exit code 0 [2024-12-02 12:37:32,819 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2024-12-02 12:37:32,819 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-12-02 12:37:32,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:37:32,819 INFO L85 PathProgramCache]: Analyzing trace with hash 218002803, now seen corresponding path program 1 times [2024-12-02 12:37:32,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:37:32,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835849243] [2024-12-02 12:37:32,819 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:37:32,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:37:32,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:37:33,269 INFO L134 CoverageAnalysis]: Checked inductivity of 516 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-12-02 12:37:33,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:37:33,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835849243] [2024-12-02 12:37:33,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835849243] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:37:33,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [290884071] [2024-12-02 12:37:33,269 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:37:33,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:37:33,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:37:33,271 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:37:33,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2024-12-02 12:37:33,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:37:33,334 INFO L256 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-12-02 12:37:33,335 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:37:34,175 INFO L134 CoverageAnalysis]: Checked inductivity of 516 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-12-02 12:37:34,175 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:37:39,792 INFO L134 CoverageAnalysis]: Checked inductivity of 516 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-12-02 12:37:39,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [290884071] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 12:37:39,792 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 12:37:39,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 8] total 31 [2024-12-02 12:37:39,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733600169] [2024-12-02 12:37:39,792 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 12:37:39,792 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-12-02 12:37:39,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:37:39,793 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-12-02 12:37:39,793 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=172, Invalid=820, Unknown=0, NotChecked=0, Total=992 [2024-12-02 12:37:39,793 INFO L87 Difference]: Start difference. First operand 1936 states and 2410 transitions. Second operand has 32 states, 31 states have (on average 8.64516129032258) internal successors, (268), 32 states have internal predecessors, (268), 16 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 16 states have call predecessors, (45), 16 states have call successors, (45) [2024-12-02 12:37:43,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:37:43,480 INFO L93 Difference]: Finished difference Result 2219 states and 2774 transitions. [2024-12-02 12:37:43,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-12-02 12:37:43,481 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 8.64516129032258) internal successors, (268), 32 states have internal predecessors, (268), 16 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 16 states have call predecessors, (45), 16 states have call successors, (45) Word has length 164 [2024-12-02 12:37:43,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:37:43,487 INFO L225 Difference]: With dead ends: 2219 [2024-12-02 12:37:43,487 INFO L226 Difference]: Without dead ends: 2217 [2024-12-02 12:37:43,489 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 355 GetRequests, 308 SyntacticMatches, 1 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 500 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=559, Invalid=1697, Unknown=0, NotChecked=0, Total=2256 [2024-12-02 12:37:43,489 INFO L435 NwaCegarLoop]: 82 mSDtfsCounter, 880 mSDsluCounter, 1089 mSDsCounter, 0 mSdLazyCounter, 1402 mSolverCounterSat, 175 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 885 SdHoareTripleChecker+Valid, 1171 SdHoareTripleChecker+Invalid, 1577 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 175 IncrementalHoareTripleChecker+Valid, 1402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-12-02 12:37:43,489 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [885 Valid, 1171 Invalid, 1577 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [175 Valid, 1402 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-12-02 12:37:43,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2217 states. [2024-12-02 12:37:43,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2217 to 1951. [2024-12-02 12:37:43,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1951 states, 1741 states have (on average 1.1522113727742678) internal successors, (2006), 1750 states have internal predecessors, (2006), 177 states have call successors, (177), 23 states have call predecessors, (177), 23 states have return successors, (177), 177 states have call predecessors, (177), 177 states have call successors, (177) [2024-12-02 12:37:43,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1951 states to 1951 states and 2360 transitions. [2024-12-02 12:37:43,758 INFO L78 Accepts]: Start accepts. Automaton has 1951 states and 2360 transitions. Word has length 164 [2024-12-02 12:37:43,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:37:43,758 INFO L471 AbstractCegarLoop]: Abstraction has 1951 states and 2360 transitions. [2024-12-02 12:37:43,758 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 8.64516129032258) internal successors, (268), 32 states have internal predecessors, (268), 16 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 16 states have call predecessors, (45), 16 states have call successors, (45) [2024-12-02 12:37:43,758 INFO L276 IsEmpty]: Start isEmpty. Operand 1951 states and 2360 transitions. [2024-12-02 12:37:43,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-12-02 12:37:43,759 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:37:43,759 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2024-12-02 12:37:43,768 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Ended with exit code 0 [2024-12-02 12:37:43,960 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2024-12-02 12:37:43,960 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-12-02 12:37:43,961 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:37:43,961 INFO L85 PathProgramCache]: Analyzing trace with hash 472203493, now seen corresponding path program 5 times [2024-12-02 12:37:43,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:37:43,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357365945] [2024-12-02 12:37:43,962 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-02 12:37:43,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:37:44,081 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2024-12-02 12:37:44,081 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-12-02 12:37:44,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [366940895] [2024-12-02 12:37:44,084 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-02 12:37:44,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:37:44,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:37:44,090 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:37:44,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2024-12-02 12:37:44,195 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2024-12-02 12:37:44,195 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 12:37:44,197 INFO L256 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-12-02 12:37:44,200 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:37:45,894 INFO L134 CoverageAnalysis]: Checked inductivity of 590 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-12-02 12:37:45,894 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:37:46,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:37:46,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357365945] [2024-12-02 12:37:46,895 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-12-02 12:37:46,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [366940895] [2024-12-02 12:37:46,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [366940895] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:37:46,896 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-12-02 12:37:46,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2024-12-02 12:37:46,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203988277] [2024-12-02 12:37:46,896 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-12-02 12:37:46,896 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-12-02 12:37:46,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:37:46,897 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-12-02 12:37:46,897 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=456, Unknown=0, NotChecked=0, Total=552 [2024-12-02 12:37:46,897 INFO L87 Difference]: Start difference. First operand 1951 states and 2360 transitions. Second operand has 19 states, 18 states have (on average 5.166666666666667) internal successors, (93), 19 states have internal predecessors, (93), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2024-12-02 12:37:48,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:37:48,877 INFO L93 Difference]: Finished difference Result 2035 states and 2465 transitions. [2024-12-02 12:37:48,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-02 12:37:48,877 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 5.166666666666667) internal successors, (93), 19 states have internal predecessors, (93), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) Word has length 170 [2024-12-02 12:37:48,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:37:48,882 INFO L225 Difference]: With dead ends: 2035 [2024-12-02 12:37:48,882 INFO L226 Difference]: Without dead ends: 2033 [2024-12-02 12:37:48,883 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=96, Invalid=456, Unknown=0, NotChecked=0, Total=552 [2024-12-02 12:37:48,883 INFO L435 NwaCegarLoop]: 117 mSDtfsCounter, 60 mSDsluCounter, 804 mSDsCounter, 0 mSdLazyCounter, 1793 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 921 SdHoareTripleChecker+Invalid, 1797 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1793 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-12-02 12:37:48,883 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 921 Invalid, 1797 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1793 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-12-02 12:37:48,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2033 states. [2024-12-02 12:37:49,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2033 to 1957. [2024-12-02 12:37:49,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1957 states, 1745 states have (on average 1.151862464183381) internal successors, (2010), 1754 states have internal predecessors, (2010), 179 states have call successors, (179), 23 states have call predecessors, (179), 23 states have return successors, (179), 179 states have call predecessors, (179), 179 states have call successors, (179) [2024-12-02 12:37:49,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1957 states to 1957 states and 2368 transitions. [2024-12-02 12:37:49,079 INFO L78 Accepts]: Start accepts. Automaton has 1957 states and 2368 transitions. Word has length 170 [2024-12-02 12:37:49,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:37:49,079 INFO L471 AbstractCegarLoop]: Abstraction has 1957 states and 2368 transitions. [2024-12-02 12:37:49,079 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 5.166666666666667) internal successors, (93), 19 states have internal predecessors, (93), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2024-12-02 12:37:49,079 INFO L276 IsEmpty]: Start isEmpty. Operand 1957 states and 2368 transitions. [2024-12-02 12:37:49,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-12-02 12:37:49,080 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:37:49,080 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-12-02 12:37:49,090 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Ended with exit code 0 [2024-12-02 12:37:49,281 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2024-12-02 12:37:49,281 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-12-02 12:37:49,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:37:49,281 INFO L85 PathProgramCache]: Analyzing trace with hash -505194620, now seen corresponding path program 1 times [2024-12-02 12:37:49,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:37:49,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822422264] [2024-12-02 12:37:49,281 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:37:49,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:37:49,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:37:49,806 INFO L134 CoverageAnalysis]: Checked inductivity of 536 backedges. 6 proven. 110 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-12-02 12:37:49,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:37:49,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822422264] [2024-12-02 12:37:49,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822422264] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:37:49,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [827786381] [2024-12-02 12:37:49,807 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:37:49,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:37:49,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:37:49,809 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:37:49,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2024-12-02 12:37:49,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:37:49,880 INFO L256 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-02 12:37:49,882 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:37:51,243 INFO L134 CoverageAnalysis]: Checked inductivity of 536 backedges. 18 proven. 98 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-12-02 12:37:51,243 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:37:51,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [827786381] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:37:51,769 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 12:37:51,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 24 [2024-12-02 12:37:51,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674376935] [2024-12-02 12:37:51,769 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 12:37:51,769 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-12-02 12:37:51,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:37:51,770 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-12-02 12:37:51,770 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=656, Unknown=0, NotChecked=0, Total=756 [2024-12-02 12:37:51,770 INFO L87 Difference]: Start difference. First operand 1957 states and 2368 transitions. Second operand has 25 states, 24 states have (on average 8.0) internal successors, (192), 25 states have internal predecessors, (192), 12 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 12 states have call predecessors, (30), 12 states have call successors, (30) [2024-12-02 12:37:54,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:37:54,728 INFO L93 Difference]: Finished difference Result 2566 states and 3150 transitions. [2024-12-02 12:37:54,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-12-02 12:37:54,729 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 8.0) internal successors, (192), 25 states have internal predecessors, (192), 12 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 12 states have call predecessors, (30), 12 states have call successors, (30) Word has length 170 [2024-12-02 12:37:54,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:37:54,734 INFO L225 Difference]: With dead ends: 2566 [2024-12-02 12:37:54,734 INFO L226 Difference]: Without dead ends: 2565 [2024-12-02 12:37:54,735 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 642 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=431, Invalid=2221, Unknown=0, NotChecked=0, Total=2652 [2024-12-02 12:37:54,735 INFO L435 NwaCegarLoop]: 89 mSDtfsCounter, 765 mSDsluCounter, 885 mSDsCounter, 0 mSdLazyCounter, 1272 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 770 SdHoareTripleChecker+Valid, 974 SdHoareTripleChecker+Invalid, 1379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 1272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-12-02 12:37:54,735 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [770 Valid, 974 Invalid, 1379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 1272 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-12-02 12:37:54,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2565 states. [2024-12-02 12:37:54,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2565 to 2062. [2024-12-02 12:37:54,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2062 states, 1840 states have (on average 1.1483695652173913) internal successors, (2113), 1849 states have internal predecessors, (2113), 189 states have call successors, (189), 23 states have call predecessors, (189), 23 states have return successors, (189), 189 states have call predecessors, (189), 189 states have call successors, (189) [2024-12-02 12:37:54,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2062 states to 2062 states and 2491 transitions. [2024-12-02 12:37:54,947 INFO L78 Accepts]: Start accepts. Automaton has 2062 states and 2491 transitions. Word has length 170 [2024-12-02 12:37:54,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:37:54,947 INFO L471 AbstractCegarLoop]: Abstraction has 2062 states and 2491 transitions. [2024-12-02 12:37:54,947 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 8.0) internal successors, (192), 25 states have internal predecessors, (192), 12 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 12 states have call predecessors, (30), 12 states have call successors, (30) [2024-12-02 12:37:54,947 INFO L276 IsEmpty]: Start isEmpty. Operand 2062 states and 2491 transitions. [2024-12-02 12:37:54,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-12-02 12:37:54,948 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:37:54,948 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:37:54,957 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Ended with exit code 0 [2024-12-02 12:37:55,148 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2024-12-02 12:37:55,149 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-12-02 12:37:55,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:37:55,149 INFO L85 PathProgramCache]: Analyzing trace with hash 666958840, now seen corresponding path program 1 times [2024-12-02 12:37:55,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:37:55,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549453157] [2024-12-02 12:37:55,149 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:37:55,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:37:55,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:37:55,327 INFO L134 CoverageAnalysis]: Checked inductivity of 728 backedges. 34 proven. 82 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 12:37:55,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:37:55,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549453157] [2024-12-02 12:37:55,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549453157] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:37:55,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [211798220] [2024-12-02 12:37:55,328 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:37:55,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:37:55,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:37:55,330 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:37:55,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2024-12-02 12:37:55,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:37:55,404 INFO L256 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-02 12:37:55,405 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:37:55,645 INFO L134 CoverageAnalysis]: Checked inductivity of 728 backedges. 72 proven. 44 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 12:37:55,646 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:37:56,037 INFO L134 CoverageAnalysis]: Checked inductivity of 728 backedges. 72 proven. 44 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 12:37:56,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [211798220] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 12:37:56,037 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 12:37:56,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 7 [2024-12-02 12:37:56,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379743136] [2024-12-02 12:37:56,037 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 12:37:56,038 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 12:37:56,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:37:56,038 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 12:37:56,038 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-12-02 12:37:56,038 INFO L87 Difference]: Start difference. First operand 2062 states and 2491 transitions. Second operand has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 7 states have internal predecessors, (106), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2024-12-02 12:37:56,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:37:56,430 INFO L93 Difference]: Finished difference Result 2090 states and 2512 transitions. [2024-12-02 12:37:56,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 12:37:56,430 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 7 states have internal predecessors, (106), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) Word has length 181 [2024-12-02 12:37:56,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:37:56,433 INFO L225 Difference]: With dead ends: 2090 [2024-12-02 12:37:56,433 INFO L226 Difference]: Without dead ends: 2084 [2024-12-02 12:37:56,433 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 370 GetRequests, 357 SyntacticMatches, 8 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-12-02 12:37:56,434 INFO L435 NwaCegarLoop]: 128 mSDtfsCounter, 64 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 413 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 12:37:56,434 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 413 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 12:37:56,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2084 states. [2024-12-02 12:37:56,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2084 to 2062. [2024-12-02 12:37:56,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2062 states, 1840 states have (on average 1.1445652173913043) internal successors, (2106), 1849 states have internal predecessors, (2106), 189 states have call successors, (189), 23 states have call predecessors, (189), 23 states have return successors, (189), 189 states have call predecessors, (189), 189 states have call successors, (189) [2024-12-02 12:37:56,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2062 states to 2062 states and 2484 transitions. [2024-12-02 12:37:56,637 INFO L78 Accepts]: Start accepts. Automaton has 2062 states and 2484 transitions. Word has length 181 [2024-12-02 12:37:56,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:37:56,638 INFO L471 AbstractCegarLoop]: Abstraction has 2062 states and 2484 transitions. [2024-12-02 12:37:56,638 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 7 states have internal predecessors, (106), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2024-12-02 12:37:56,638 INFO L276 IsEmpty]: Start isEmpty. Operand 2062 states and 2484 transitions. [2024-12-02 12:37:56,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-12-02 12:37:56,639 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:37:56,639 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:37:56,644 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Ended with exit code 0 [2024-12-02 12:37:56,839 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2024-12-02 12:37:56,839 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-12-02 12:37:56,839 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:37:56,839 INFO L85 PathProgramCache]: Analyzing trace with hash 181328889, now seen corresponding path program 2 times [2024-12-02 12:37:56,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:37:56,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663092191] [2024-12-02 12:37:56,840 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 12:37:56,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:37:56,851 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-02 12:37:56,851 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 12:37:57,099 INFO L134 CoverageAnalysis]: Checked inductivity of 671 backedges. 49 proven. 78 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 12:37:57,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:37:57,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663092191] [2024-12-02 12:37:57,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1663092191] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:37:57,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [301649590] [2024-12-02 12:37:57,099 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 12:37:57,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:37:57,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:37:57,101 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:37:57,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2024-12-02 12:37:57,159 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-02 12:37:57,159 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 12:37:57,161 INFO L256 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-02 12:37:57,164 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:37:57,821 INFO L134 CoverageAnalysis]: Checked inductivity of 671 backedges. 162 proven. 85 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2024-12-02 12:37:57,821 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:38:00,588 INFO L134 CoverageAnalysis]: Checked inductivity of 671 backedges. 57 proven. 70 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 12:38:00,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [301649590] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 12:38:00,588 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 12:38:00,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10, 10] total 23 [2024-12-02 12:38:00,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834636090] [2024-12-02 12:38:00,589 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 12:38:00,589 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-12-02 12:38:00,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:38:00,590 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-12-02 12:38:00,590 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=414, Unknown=0, NotChecked=0, Total=506 [2024-12-02 12:38:00,590 INFO L87 Difference]: Start difference. First operand 2062 states and 2484 transitions. Second operand has 23 states, 23 states have (on average 11.565217391304348) internal successors, (266), 23 states have internal predecessors, (266), 14 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (49), 14 states have call predecessors, (49), 14 states have call successors, (49) [2024-12-02 12:38:01,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:38:01,780 INFO L93 Difference]: Finished difference Result 2319 states and 2794 transitions. [2024-12-02 12:38:01,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-02 12:38:01,780 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 11.565217391304348) internal successors, (266), 23 states have internal predecessors, (266), 14 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (49), 14 states have call predecessors, (49), 14 states have call successors, (49) Word has length 181 [2024-12-02 12:38:01,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:38:01,782 INFO L225 Difference]: With dead ends: 2319 [2024-12-02 12:38:01,782 INFO L226 Difference]: Without dead ends: 743 [2024-12-02 12:38:01,783 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 385 GetRequests, 349 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 261 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=263, Invalid=1143, Unknown=0, NotChecked=0, Total=1406 [2024-12-02 12:38:01,784 INFO L435 NwaCegarLoop]: 79 mSDtfsCounter, 92 mSDsluCounter, 656 mSDsCounter, 0 mSdLazyCounter, 822 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 735 SdHoareTripleChecker+Invalid, 849 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 822 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 12:38:01,784 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 735 Invalid, 849 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 822 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 12:38:01,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 743 states. [2024-12-02 12:38:01,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 743 to 743. [2024-12-02 12:38:01,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 743 states, 643 states have (on average 1.1415241057542769) internal successors, (734), 652 states have internal predecessors, (734), 71 states have call successors, (71), 19 states have call predecessors, (71), 19 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2024-12-02 12:38:01,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 743 states and 876 transitions. [2024-12-02 12:38:01,861 INFO L78 Accepts]: Start accepts. Automaton has 743 states and 876 transitions. Word has length 181 [2024-12-02 12:38:01,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:38:01,861 INFO L471 AbstractCegarLoop]: Abstraction has 743 states and 876 transitions. [2024-12-02 12:38:01,861 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 11.565217391304348) internal successors, (266), 23 states have internal predecessors, (266), 14 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (49), 14 states have call predecessors, (49), 14 states have call successors, (49) [2024-12-02 12:38:01,861 INFO L276 IsEmpty]: Start isEmpty. Operand 743 states and 876 transitions. [2024-12-02 12:38:01,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-12-02 12:38:01,862 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:38:01,862 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2024-12-02 12:38:01,871 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Ended with exit code 0 [2024-12-02 12:38:02,062 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable50 [2024-12-02 12:38:02,062 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-12-02 12:38:02,063 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:38:02,063 INFO L85 PathProgramCache]: Analyzing trace with hash -1723224343, now seen corresponding path program 1 times [2024-12-02 12:38:02,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:38:02,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854967576] [2024-12-02 12:38:02,063 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:38:02,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:38:02,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:38:02,305 INFO L134 CoverageAnalysis]: Checked inductivity of 734 backedges. 38 proven. 84 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 12:38:02,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:38:02,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854967576] [2024-12-02 12:38:02,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [854967576] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:38:02,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2047153943] [2024-12-02 12:38:02,305 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:38:02,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:38:02,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:38:02,307 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:38:02,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2024-12-02 12:38:02,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:38:02,381 INFO L256 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 12:38:02,384 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:38:02,585 INFO L134 CoverageAnalysis]: Checked inductivity of 734 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 698 trivial. 0 not checked. [2024-12-02 12:38:02,585 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:38:02,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2047153943] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:38:02,585 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 12:38:02,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2024-12-02 12:38:02,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987340402] [2024-12-02 12:38:02,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:38:02,586 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 12:38:02,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:38:02,586 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 12:38:02,586 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2024-12-02 12:38:02,587 INFO L87 Difference]: Start difference. First operand 743 states and 876 transitions. Second operand has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-12-02 12:38:02,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:38:02,756 INFO L93 Difference]: Finished difference Result 743 states and 876 transitions. [2024-12-02 12:38:02,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 12:38:02,757 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 184 [2024-12-02 12:38:02,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:38:02,758 INFO L225 Difference]: With dead ends: 743 [2024-12-02 12:38:02,758 INFO L226 Difference]: Without dead ends: 742 [2024-12-02 12:38:02,759 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 184 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2024-12-02 12:38:02,759 INFO L435 NwaCegarLoop]: 60 mSDtfsCounter, 41 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 12:38:02,759 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 103 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 12:38:02,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 742 states. [2024-12-02 12:38:02,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 742 to 728. [2024-12-02 12:38:02,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 728 states, 631 states have (on average 1.1299524564183836) internal successors, (713), 639 states have internal predecessors, (713), 69 states have call successors, (69), 19 states have call predecessors, (69), 19 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69) [2024-12-02 12:38:02,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 728 states and 851 transitions. [2024-12-02 12:38:02,901 INFO L78 Accepts]: Start accepts. Automaton has 728 states and 851 transitions. Word has length 184 [2024-12-02 12:38:02,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:38:02,901 INFO L471 AbstractCegarLoop]: Abstraction has 728 states and 851 transitions. [2024-12-02 12:38:02,901 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-12-02 12:38:02,901 INFO L276 IsEmpty]: Start isEmpty. Operand 728 states and 851 transitions. [2024-12-02 12:38:02,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-12-02 12:38:02,902 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:38:02,903 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-12-02 12:38:02,913 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Ended with exit code 0 [2024-12-02 12:38:03,103 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable51 [2024-12-02 12:38:03,103 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-12-02 12:38:03,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:38:03,103 INFO L85 PathProgramCache]: Analyzing trace with hash 786670392, now seen corresponding path program 1 times [2024-12-02 12:38:03,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:38:03,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55331960] [2024-12-02 12:38:03,104 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:38:03,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:38:03,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:38:03,572 INFO L134 CoverageAnalysis]: Checked inductivity of 742 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 12:38:03,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:38:03,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55331960] [2024-12-02 12:38:03,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55331960] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:38:03,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [637353848] [2024-12-02 12:38:03,573 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:38:03,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:38:03,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:38:03,574 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:38:03,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2024-12-02 12:38:03,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:38:03,645 INFO L256 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-02 12:38:03,648 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:38:04,432 INFO L134 CoverageAnalysis]: Checked inductivity of 742 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 12:38:04,432 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:38:11,152 INFO L134 CoverageAnalysis]: Checked inductivity of 742 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 12:38:11,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [637353848] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 12:38:11,152 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 12:38:11,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 8] total 29 [2024-12-02 12:38:11,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583226231] [2024-12-02 12:38:11,153 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 12:38:11,153 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-12-02 12:38:11,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:38:11,154 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-12-02 12:38:11,154 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=277, Invalid=593, Unknown=0, NotChecked=0, Total=870 [2024-12-02 12:38:11,154 INFO L87 Difference]: Start difference. First operand 728 states and 851 transitions. Second operand has 30 states, 29 states have (on average 10.172413793103448) internal successors, (295), 30 states have internal predecessors, (295), 18 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 18 states have call predecessors, (54), 18 states have call successors, (54) [2024-12-02 12:38:17,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:38:17,048 INFO L93 Difference]: Finished difference Result 1503 states and 1819 transitions. [2024-12-02 12:38:17,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-12-02 12:38:17,049 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 10.172413793103448) internal successors, (295), 30 states have internal predecessors, (295), 18 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 18 states have call predecessors, (54), 18 states have call successors, (54) Word has length 188 [2024-12-02 12:38:17,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:38:17,050 INFO L225 Difference]: With dead ends: 1503 [2024-12-02 12:38:17,050 INFO L226 Difference]: Without dead ends: 1502 [2024-12-02 12:38:17,051 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 411 GetRequests, 358 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 960 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=1072, Invalid=1898, Unknown=0, NotChecked=0, Total=2970 [2024-12-02 12:38:17,051 INFO L435 NwaCegarLoop]: 107 mSDtfsCounter, 835 mSDsluCounter, 1085 mSDsCounter, 0 mSdLazyCounter, 1564 mSolverCounterSat, 134 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 842 SdHoareTripleChecker+Valid, 1192 SdHoareTripleChecker+Invalid, 1698 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 134 IncrementalHoareTripleChecker+Valid, 1564 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-12-02 12:38:17,051 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [842 Valid, 1192 Invalid, 1698 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [134 Valid, 1564 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-12-02 12:38:17,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1502 states. [2024-12-02 12:38:17,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1502 to 1225. [2024-12-02 12:38:17,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1225 states, 1080 states have (on average 1.1472222222222221) internal successors, (1239), 1088 states have internal predecessors, (1239), 117 states have call successors, (117), 19 states have call predecessors, (117), 19 states have return successors, (117), 117 states have call predecessors, (117), 117 states have call successors, (117) [2024-12-02 12:38:17,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1225 states to 1225 states and 1473 transitions. [2024-12-02 12:38:17,239 INFO L78 Accepts]: Start accepts. Automaton has 1225 states and 1473 transitions. Word has length 188 [2024-12-02 12:38:17,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:38:17,239 INFO L471 AbstractCegarLoop]: Abstraction has 1225 states and 1473 transitions. [2024-12-02 12:38:17,239 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 10.172413793103448) internal successors, (295), 30 states have internal predecessors, (295), 18 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 18 states have call predecessors, (54), 18 states have call successors, (54) [2024-12-02 12:38:17,239 INFO L276 IsEmpty]: Start isEmpty. Operand 1225 states and 1473 transitions. [2024-12-02 12:38:17,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-12-02 12:38:17,240 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:38:17,240 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:38:17,246 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Ended with exit code 0 [2024-12-02 12:38:17,440 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable52 [2024-12-02 12:38:17,440 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-12-02 12:38:17,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:38:17,441 INFO L85 PathProgramCache]: Analyzing trace with hash 858461978, now seen corresponding path program 1 times [2024-12-02 12:38:17,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:38:17,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724313128] [2024-12-02 12:38:17,441 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:38:17,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:38:17,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:38:17,848 INFO L134 CoverageAnalysis]: Checked inductivity of 834 backedges. 0 proven. 150 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-12-02 12:38:17,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:38:17,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724313128] [2024-12-02 12:38:17,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724313128] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:38:17,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1099212824] [2024-12-02 12:38:17,849 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:38:17,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:38:17,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:38:17,851 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:38:17,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2024-12-02 12:38:17,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:38:17,917 INFO L256 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-02 12:38:17,919 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:38:18,326 INFO L134 CoverageAnalysis]: Checked inductivity of 834 backedges. 0 proven. 766 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-12-02 12:38:18,326 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:38:18,959 INFO L134 CoverageAnalysis]: Checked inductivity of 834 backedges. 0 proven. 150 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-12-02 12:38:18,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1099212824] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 12:38:18,959 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 12:38:18,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 17, 18] total 37 [2024-12-02 12:38:18,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477507230] [2024-12-02 12:38:18,960 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 12:38:18,960 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-12-02 12:38:18,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:38:18,961 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-12-02 12:38:18,961 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=303, Invalid=1029, Unknown=0, NotChecked=0, Total=1332 [2024-12-02 12:38:18,961 INFO L87 Difference]: Start difference. First operand 1225 states and 1473 transitions. Second operand has 37 states, 37 states have (on average 5.864864864864865) internal successors, (217), 37 states have internal predecessors, (217), 14 states have call successors, (57), 8 states have call predecessors, (57), 8 states have return successors, (57), 14 states have call predecessors, (57), 14 states have call successors, (57) [2024-12-02 12:38:20,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:38:20,608 INFO L93 Difference]: Finished difference Result 1700 states and 2011 transitions. [2024-12-02 12:38:20,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-12-02 12:38:20,609 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 5.864864864864865) internal successors, (217), 37 states have internal predecessors, (217), 14 states have call successors, (57), 8 states have call predecessors, (57), 8 states have return successors, (57), 14 states have call predecessors, (57), 14 states have call successors, (57) Word has length 189 [2024-12-02 12:38:20,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:38:20,610 INFO L225 Difference]: With dead ends: 1700 [2024-12-02 12:38:20,610 INFO L226 Difference]: Without dead ends: 1495 [2024-12-02 12:38:20,611 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 431 GetRequests, 360 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1386 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=1151, Invalid=4105, Unknown=0, NotChecked=0, Total=5256 [2024-12-02 12:38:20,611 INFO L435 NwaCegarLoop]: 56 mSDtfsCounter, 283 mSDsluCounter, 654 mSDsCounter, 0 mSdLazyCounter, 297 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 283 SdHoareTripleChecker+Valid, 710 SdHoareTripleChecker+Invalid, 312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 12:38:20,612 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [283 Valid, 710 Invalid, 312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 297 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 12:38:20,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1495 states. [2024-12-02 12:38:20,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1495 to 1464. [2024-12-02 12:38:20,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1464 states, 1294 states have (on average 1.1267387944358578) internal successors, (1458), 1302 states have internal predecessors, (1458), 133 states have call successors, (133), 28 states have call predecessors, (133), 28 states have return successors, (133), 133 states have call predecessors, (133), 133 states have call successors, (133) [2024-12-02 12:38:20,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1464 states to 1464 states and 1724 transitions. [2024-12-02 12:38:20,831 INFO L78 Accepts]: Start accepts. Automaton has 1464 states and 1724 transitions. Word has length 189 [2024-12-02 12:38:20,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:38:20,831 INFO L471 AbstractCegarLoop]: Abstraction has 1464 states and 1724 transitions. [2024-12-02 12:38:20,831 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 5.864864864864865) internal successors, (217), 37 states have internal predecessors, (217), 14 states have call successors, (57), 8 states have call predecessors, (57), 8 states have return successors, (57), 14 states have call predecessors, (57), 14 states have call successors, (57) [2024-12-02 12:38:20,831 INFO L276 IsEmpty]: Start isEmpty. Operand 1464 states and 1724 transitions. [2024-12-02 12:38:20,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-12-02 12:38:20,832 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:38:20,832 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2024-12-02 12:38:20,841 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Ended with exit code 0 [2024-12-02 12:38:21,032 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53,46 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:38:21,033 INFO L396 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-12-02 12:38:21,033 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:38:21,033 INFO L85 PathProgramCache]: Analyzing trace with hash -539123422, now seen corresponding path program 6 times [2024-12-02 12:38:21,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:38:21,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254253303] [2024-12-02 12:38:21,033 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-02 12:38:21,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:38:21,058 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2024-12-02 12:38:21,058 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-12-02 12:38:21,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1977151838] [2024-12-02 12:38:21,060 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-02 12:38:21,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:38:21,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:38:21,062 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:38:21,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Waiting until timeout for monitored process [2024-12-02 12:38:21,129 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2024-12-02 12:38:21,130 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 12:38:21,131 INFO L256 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-02 12:38:21,133 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:38:22,981 INFO L134 CoverageAnalysis]: Checked inductivity of 846 backedges. 106 proven. 38 refuted. 0 times theorem prover too weak. 702 trivial. 0 not checked. [2024-12-02 12:38:22,981 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:38:24,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:38:24,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254253303] [2024-12-02 12:38:24,606 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-12-02 12:38:24,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1977151838] [2024-12-02 12:38:24,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1977151838] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:38:24,606 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-12-02 12:38:24,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2024-12-02 12:38:24,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452247817] [2024-12-02 12:38:24,607 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-12-02 12:38:24,607 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-12-02 12:38:24,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:38:24,607 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-12-02 12:38:24,607 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=443, Unknown=0, NotChecked=0, Total=552 [2024-12-02 12:38:24,607 INFO L87 Difference]: Start difference. First operand 1464 states and 1724 transitions. Second operand has 17 states, 16 states have (on average 4.9375) internal successors, (79), 17 states have internal predecessors, (79), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) [2024-12-02 12:38:26,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:38:26,734 INFO L93 Difference]: Finished difference Result 1746 states and 2073 transitions. [2024-12-02 12:38:26,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-02 12:38:26,734 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.9375) internal successors, (79), 17 states have internal predecessors, (79), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) Word has length 196 [2024-12-02 12:38:26,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:38:26,737 INFO L225 Difference]: With dead ends: 1746 [2024-12-02 12:38:26,737 INFO L226 Difference]: Without dead ends: 1744 [2024-12-02 12:38:26,738 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 169 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=139, Invalid=563, Unknown=0, NotChecked=0, Total=702 [2024-12-02 12:38:26,738 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 75 mSDsluCounter, 644 mSDsCounter, 0 mSdLazyCounter, 1382 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 716 SdHoareTripleChecker+Invalid, 1389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1382 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-12-02 12:38:26,738 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 716 Invalid, 1389 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1382 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-12-02 12:38:26,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1744 states. [2024-12-02 12:38:27,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1744 to 1500. [2024-12-02 12:38:27,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1500 states, 1326 states have (on average 1.1244343891402715) internal successors, (1491), 1334 states have internal predecessors, (1491), 137 states have call successors, (137), 28 states have call predecessors, (137), 28 states have return successors, (137), 137 states have call predecessors, (137), 137 states have call successors, (137) [2024-12-02 12:38:27,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1500 states to 1500 states and 1765 transitions. [2024-12-02 12:38:27,007 INFO L78 Accepts]: Start accepts. Automaton has 1500 states and 1765 transitions. Word has length 196 [2024-12-02 12:38:27,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:38:27,007 INFO L471 AbstractCegarLoop]: Abstraction has 1500 states and 1765 transitions. [2024-12-02 12:38:27,007 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.9375) internal successors, (79), 17 states have internal predecessors, (79), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) [2024-12-02 12:38:27,008 INFO L276 IsEmpty]: Start isEmpty. Operand 1500 states and 1765 transitions. [2024-12-02 12:38:27,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-12-02 12:38:27,008 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:38:27,008 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-12-02 12:38:27,014 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Ended with exit code 0 [2024-12-02 12:38:27,209 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54,47 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:38:27,209 INFO L396 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-12-02 12:38:27,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:38:27,209 INFO L85 PathProgramCache]: Analyzing trace with hash -1516521535, now seen corresponding path program 2 times [2024-12-02 12:38:27,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:38:27,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568220600] [2024-12-02 12:38:27,209 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 12:38:27,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:38:27,223 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-02 12:38:27,223 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 12:38:27,679 INFO L134 CoverageAnalysis]: Checked inductivity of 766 backedges. 6 proven. 148 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 12:38:27,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:38:27,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568220600] [2024-12-02 12:38:27,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1568220600] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:38:27,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2103631002] [2024-12-02 12:38:27,680 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 12:38:27,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:38:27,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:38:27,681 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:38:27,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Waiting until timeout for monitored process [2024-12-02 12:38:27,758 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-02 12:38:27,758 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 12:38:27,759 INFO L256 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-02 12:38:27,761 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:38:28,917 INFO L134 CoverageAnalysis]: Checked inductivity of 766 backedges. 0 proven. 154 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-02 12:38:28,917 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:38:29,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2103631002] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:38:29,355 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 12:38:29,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 27 [2024-12-02 12:38:29,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404394553] [2024-12-02 12:38:29,356 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 12:38:29,356 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-12-02 12:38:29,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:38:29,356 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-12-02 12:38:29,357 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=792, Unknown=0, NotChecked=0, Total=930 [2024-12-02 12:38:29,357 INFO L87 Difference]: Start difference. First operand 1500 states and 1765 transitions. Second operand has 28 states, 27 states have (on average 7.925925925925926) internal successors, (214), 28 states have internal predecessors, (214), 14 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 14 states have call predecessors, (36), 14 states have call successors, (36) [2024-12-02 12:38:32,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:38:32,166 INFO L93 Difference]: Finished difference Result 1855 states and 2209 transitions. [2024-12-02 12:38:32,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-12-02 12:38:32,167 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 7.925925925925926) internal successors, (214), 28 states have internal predecessors, (214), 14 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 14 states have call predecessors, (36), 14 states have call successors, (36) Word has length 196 [2024-12-02 12:38:32,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:38:32,169 INFO L225 Difference]: With dead ends: 1855 [2024-12-02 12:38:32,169 INFO L226 Difference]: Without dead ends: 1844 [2024-12-02 12:38:32,170 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 198 SyntacticMatches, 1 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1059 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=734, Invalid=3172, Unknown=0, NotChecked=0, Total=3906 [2024-12-02 12:38:32,170 INFO L435 NwaCegarLoop]: 105 mSDtfsCounter, 959 mSDsluCounter, 1108 mSDsCounter, 0 mSdLazyCounter, 1402 mSolverCounterSat, 151 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 964 SdHoareTripleChecker+Valid, 1213 SdHoareTripleChecker+Invalid, 1553 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 151 IncrementalHoareTripleChecker+Valid, 1402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-12-02 12:38:32,170 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [964 Valid, 1213 Invalid, 1553 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [151 Valid, 1402 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-12-02 12:38:32,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1844 states. [2024-12-02 12:38:32,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1844 to 1590. [2024-12-02 12:38:32,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1590 states, 1410 states have (on average 1.1205673758865249) internal successors, (1580), 1418 states have internal predecessors, (1580), 143 states have call successors, (143), 28 states have call predecessors, (143), 28 states have return successors, (143), 143 states have call predecessors, (143), 143 states have call successors, (143) [2024-12-02 12:38:32,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1590 states to 1590 states and 1866 transitions. [2024-12-02 12:38:32,442 INFO L78 Accepts]: Start accepts. Automaton has 1590 states and 1866 transitions. Word has length 196 [2024-12-02 12:38:32,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:38:32,442 INFO L471 AbstractCegarLoop]: Abstraction has 1590 states and 1866 transitions. [2024-12-02 12:38:32,442 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 7.925925925925926) internal successors, (214), 28 states have internal predecessors, (214), 14 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 14 states have call predecessors, (36), 14 states have call successors, (36) [2024-12-02 12:38:32,443 INFO L276 IsEmpty]: Start isEmpty. Operand 1590 states and 1866 transitions. [2024-12-02 12:38:32,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2024-12-02 12:38:32,443 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:38:32,443 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1] [2024-12-02 12:38:32,449 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Ended with exit code 0 [2024-12-02 12:38:32,644 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55,48 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:38:32,644 INFO L396 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-12-02 12:38:32,644 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:38:32,644 INFO L85 PathProgramCache]: Analyzing trace with hash 519888559, now seen corresponding path program 2 times [2024-12-02 12:38:32,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:38:32,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425839911] [2024-12-02 12:38:32,645 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 12:38:32,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:38:32,657 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-02 12:38:32,657 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 12:38:32,986 INFO L134 CoverageAnalysis]: Checked inductivity of 1030 backedges. 40 proven. 66 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-12-02 12:38:32,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:38:32,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425839911] [2024-12-02 12:38:32,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425839911] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:38:32,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1160907549] [2024-12-02 12:38:32,986 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 12:38:32,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:38:32,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:38:32,988 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:38:32,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Waiting until timeout for monitored process [2024-12-02 12:38:33,059 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-02 12:38:33,059 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 12:38:33,061 INFO L256 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-12-02 12:38:33,064 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:38:34,408 INFO L134 CoverageAnalysis]: Checked inductivity of 1030 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-12-02 12:38:34,408 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:38:46,686 INFO L134 CoverageAnalysis]: Checked inductivity of 1030 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-12-02 12:38:46,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1160907549] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 12:38:46,686 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 12:38:46,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 20, 16] total 45 [2024-12-02 12:38:46,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975931096] [2024-12-02 12:38:46,686 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 12:38:46,687 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2024-12-02 12:38:46,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:38:46,687 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2024-12-02 12:38:46,687 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=562, Invalid=1508, Unknown=0, NotChecked=0, Total=2070 [2024-12-02 12:38:46,687 INFO L87 Difference]: Start difference. First operand 1590 states and 1866 transitions. Second operand has 46 states, 45 states have (on average 6.844444444444444) internal successors, (308), 46 states have internal predecessors, (308), 20 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 20 states have call predecessors, (54), 20 states have call successors, (54) [2024-12-02 12:39:43,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:39:43,077 INFO L93 Difference]: Finished difference Result 3201 states and 3910 transitions. [2024-12-02 12:39:43,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2024-12-02 12:39:43,077 INFO L78 Accepts]: Start accepts. Automaton has has 46 states, 45 states have (on average 6.844444444444444) internal successors, (308), 46 states have internal predecessors, (308), 20 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 20 states have call predecessors, (54), 20 states have call successors, (54) Word has length 218 [2024-12-02 12:39:43,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:39:43,080 INFO L225 Difference]: With dead ends: 3201 [2024-12-02 12:39:43,080 INFO L226 Difference]: Without dead ends: 3200 [2024-12-02 12:39:43,083 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 570 GetRequests, 397 SyntacticMatches, 4 SemanticMatches, 169 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13586 ImplicationChecksByTransitivity, 50.0s TimeCoverageRelationStatistics Valid=7615, Invalid=21455, Unknown=0, NotChecked=0, Total=29070 [2024-12-02 12:39:43,083 INFO L435 NwaCegarLoop]: 103 mSDtfsCounter, 2936 mSDsluCounter, 1505 mSDsCounter, 0 mSdLazyCounter, 3351 mSolverCounterSat, 645 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2940 SdHoareTripleChecker+Valid, 1608 SdHoareTripleChecker+Invalid, 3996 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 645 IncrementalHoareTripleChecker+Valid, 3351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:39:43,084 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2940 Valid, 1608 Invalid, 3996 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [645 Valid, 3351 Invalid, 0 Unknown, 0 Unchecked, 8.0s Time] [2024-12-02 12:39:43,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3200 states. [2024-12-02 12:39:43,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3200 to 1928. [2024-12-02 12:39:43,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1928 states, 1718 states have (on average 1.1257275902211874) internal successors, (1934), 1726 states have internal predecessors, (1934), 173 states have call successors, (173), 28 states have call predecessors, (173), 28 states have return successors, (173), 173 states have call predecessors, (173), 173 states have call successors, (173) [2024-12-02 12:39:43,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1928 states to 1928 states and 2280 transitions. [2024-12-02 12:39:43,477 INFO L78 Accepts]: Start accepts. Automaton has 1928 states and 2280 transitions. Word has length 218 [2024-12-02 12:39:43,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:39:43,477 INFO L471 AbstractCegarLoop]: Abstraction has 1928 states and 2280 transitions. [2024-12-02 12:39:43,477 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 45 states have (on average 6.844444444444444) internal successors, (308), 46 states have internal predecessors, (308), 20 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 20 states have call predecessors, (54), 20 states have call successors, (54) [2024-12-02 12:39:43,477 INFO L276 IsEmpty]: Start isEmpty. Operand 1928 states and 2280 transitions. [2024-12-02 12:39:43,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2024-12-02 12:39:43,478 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:39:43,478 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-12-02 12:39:43,484 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Forceful destruction successful, exit code 0 [2024-12-02 12:39:43,678 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56,49 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:39:43,679 INFO L396 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-12-02 12:39:43,679 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:39:43,679 INFO L85 PathProgramCache]: Analyzing trace with hash -1041427010, now seen corresponding path program 3 times [2024-12-02 12:39:43,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:39:43,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243522860] [2024-12-02 12:39:43,679 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-02 12:39:43,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:39:43,705 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2024-12-02 12:39:43,705 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-12-02 12:39:43,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [224611956] [2024-12-02 12:39:43,706 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-02 12:39:43,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:39:43,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:39:43,707 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:39:43,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Waiting until timeout for monitored process [2024-12-02 12:39:43,763 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-12-02 12:39:43,763 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 12:39:43,764 INFO L256 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-02 12:39:43,766 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:39:44,656 INFO L134 CoverageAnalysis]: Checked inductivity of 1046 backedges. 116 proven. 8 refuted. 0 times theorem prover too weak. 922 trivial. 0 not checked. [2024-12-02 12:39:44,656 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:39:46,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:39:46,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243522860] [2024-12-02 12:39:46,904 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-12-02 12:39:46,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [224611956] [2024-12-02 12:39:46,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [224611956] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:39:46,904 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-12-02 12:39:46,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2024-12-02 12:39:46,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617441355] [2024-12-02 12:39:46,904 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-12-02 12:39:46,905 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-12-02 12:39:46,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:39:46,905 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-12-02 12:39:46,905 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=357, Unknown=0, NotChecked=0, Total=462 [2024-12-02 12:39:46,905 INFO L87 Difference]: Start difference. First operand 1928 states and 2280 transitions. Second operand has 14 states, 13 states have (on average 5.3076923076923075) internal successors, (69), 13 states have internal predecessors, (69), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-12-02 12:39:48,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:39:48,559 INFO L93 Difference]: Finished difference Result 2492 states and 3003 transitions. [2024-12-02 12:39:48,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-02 12:39:48,560 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 5.3076923076923075) internal successors, (69), 13 states have internal predecessors, (69), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) Word has length 222 [2024-12-02 12:39:48,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:39:48,562 INFO L225 Difference]: With dead ends: 2492 [2024-12-02 12:39:48,562 INFO L226 Difference]: Without dead ends: 2490 [2024-12-02 12:39:48,562 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 190 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=257, Invalid=735, Unknown=0, NotChecked=0, Total=992 [2024-12-02 12:39:48,563 INFO L435 NwaCegarLoop]: 40 mSDtfsCounter, 144 mSDsluCounter, 284 mSDsCounter, 0 mSdLazyCounter, 656 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 670 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 656 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 12:39:48,563 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 324 Invalid, 670 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 656 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 12:39:48,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2490 states. [2024-12-02 12:39:48,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2490 to 1616. [2024-12-02 12:39:48,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1616 states, 1437 states have (on average 1.1210855949895615) internal successors, (1611), 1445 states have internal predecessors, (1611), 143 states have call successors, (143), 27 states have call predecessors, (143), 27 states have return successors, (143), 143 states have call predecessors, (143), 143 states have call successors, (143) [2024-12-02 12:39:48,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1616 states to 1616 states and 1897 transitions. [2024-12-02 12:39:48,910 INFO L78 Accepts]: Start accepts. Automaton has 1616 states and 1897 transitions. Word has length 222 [2024-12-02 12:39:48,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:39:48,910 INFO L471 AbstractCegarLoop]: Abstraction has 1616 states and 1897 transitions. [2024-12-02 12:39:48,910 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 5.3076923076923075) internal successors, (69), 13 states have internal predecessors, (69), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-12-02 12:39:48,910 INFO L276 IsEmpty]: Start isEmpty. Operand 1616 states and 1897 transitions. [2024-12-02 12:39:48,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2024-12-02 12:39:48,911 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:39:48,911 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1] [2024-12-02 12:39:48,916 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Ended with exit code 0 [2024-12-02 12:39:49,112 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57,50 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:39:49,112 INFO L396 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-12-02 12:39:49,112 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:39:49,112 INFO L85 PathProgramCache]: Analyzing trace with hash 504990776, now seen corresponding path program 7 times [2024-12-02 12:39:49,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:39:49,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452384782] [2024-12-02 12:39:49,112 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-02 12:39:49,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:39:49,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 12:39:49,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1490864643] [2024-12-02 12:39:49,140 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-02 12:39:49,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:39:49,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:39:49,142 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:39:49,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Waiting until timeout for monitored process [2024-12-02 12:39:49,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:39:49,215 INFO L256 TraceCheckSpWp]: Trace formula consists of 426 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-12-02 12:39:49,217 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:39:51,100 INFO L134 CoverageAnalysis]: Checked inductivity of 1054 backedges. 0 proven. 214 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-12-02 12:39:51,100 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:39:52,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:39:52,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452384782] [2024-12-02 12:39:52,037 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-12-02 12:39:52,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1490864643] [2024-12-02 12:39:52,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1490864643] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:39:52,037 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-12-02 12:39:52,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2024-12-02 12:39:52,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943831905] [2024-12-02 12:39:52,037 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-12-02 12:39:52,037 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-12-02 12:39:52,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:39:52,038 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-12-02 12:39:52,038 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=688, Unknown=0, NotChecked=0, Total=812 [2024-12-02 12:39:52,038 INFO L87 Difference]: Start difference. First operand 1616 states and 1897 transitions. Second operand has 24 states, 23 states have (on average 5.391304347826087) internal successors, (124), 24 states have internal predecessors, (124), 8 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 8 states have call predecessors, (21), 8 states have call successors, (21) [2024-12-02 12:39:54,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:39:54,914 INFO L93 Difference]: Finished difference Result 1698 states and 1996 transitions. [2024-12-02 12:39:54,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-12-02 12:39:54,914 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 5.391304347826087) internal successors, (124), 24 states have internal predecessors, (124), 8 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 8 states have call predecessors, (21), 8 states have call successors, (21) Word has length 226 [2024-12-02 12:39:54,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:39:54,916 INFO L225 Difference]: With dead ends: 1698 [2024-12-02 12:39:54,916 INFO L226 Difference]: Without dead ends: 1697 [2024-12-02 12:39:54,916 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=146, Invalid=784, Unknown=0, NotChecked=0, Total=930 [2024-12-02 12:39:54,916 INFO L435 NwaCegarLoop]: 126 mSDtfsCounter, 71 mSDsluCounter, 1478 mSDsCounter, 0 mSdLazyCounter, 3104 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 1604 SdHoareTripleChecker+Invalid, 3111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 3104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-12-02 12:39:54,917 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 1604 Invalid, 3111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 3104 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-12-02 12:39:54,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1697 states. [2024-12-02 12:39:55,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1697 to 1586. [2024-12-02 12:39:55,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1586 states, 1409 states have (on average 1.1220723917672109) internal successors, (1581), 1417 states have internal predecessors, (1581), 141 states have call successors, (141), 27 states have call predecessors, (141), 27 states have return successors, (141), 141 states have call predecessors, (141), 141 states have call successors, (141) [2024-12-02 12:39:55,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1586 states to 1586 states and 1863 transitions. [2024-12-02 12:39:55,286 INFO L78 Accepts]: Start accepts. Automaton has 1586 states and 1863 transitions. Word has length 226 [2024-12-02 12:39:55,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:39:55,286 INFO L471 AbstractCegarLoop]: Abstraction has 1586 states and 1863 transitions. [2024-12-02 12:39:55,286 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 5.391304347826087) internal successors, (124), 24 states have internal predecessors, (124), 8 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 8 states have call predecessors, (21), 8 states have call successors, (21) [2024-12-02 12:39:55,287 INFO L276 IsEmpty]: Start isEmpty. Operand 1586 states and 1863 transitions. [2024-12-02 12:39:55,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2024-12-02 12:39:55,288 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:39:55,288 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 1, 1, 1] [2024-12-02 12:39:55,294 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Ended with exit code 0 [2024-12-02 12:39:55,489 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 51 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable58 [2024-12-02 12:39:55,489 INFO L396 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-12-02 12:39:55,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:39:55,489 INFO L85 PathProgramCache]: Analyzing trace with hash -1364431385, now seen corresponding path program 2 times [2024-12-02 12:39:55,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:39:55,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626640821] [2024-12-02 12:39:55,489 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 12:39:55,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:39:55,506 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-02 12:39:55,506 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 12:39:55,675 INFO L134 CoverageAnalysis]: Checked inductivity of 1908 backedges. 0 proven. 504 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-12-02 12:39:55,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:39:55,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626640821] [2024-12-02 12:39:55,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626640821] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:39:55,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [697419065] [2024-12-02 12:39:55,675 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 12:39:55,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:39:55,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:39:55,677 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:39:55,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Waiting until timeout for monitored process [2024-12-02 12:39:55,746 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-02 12:39:55,746 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 12:39:55,747 INFO L256 TraceCheckSpWp]: Trace formula consists of 454 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-02 12:39:55,749 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:39:55,973 INFO L134 CoverageAnalysis]: Checked inductivity of 1908 backedges. 0 proven. 504 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-12-02 12:39:55,973 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:39:56,442 INFO L134 CoverageAnalysis]: Checked inductivity of 1908 backedges. 0 proven. 504 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-12-02 12:39:56,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [697419065] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 12:39:56,442 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 12:39:56,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 20 [2024-12-02 12:39:56,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426010521] [2024-12-02 12:39:56,442 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 12:39:56,442 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-12-02 12:39:56,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:39:56,443 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-12-02 12:39:56,443 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=210, Unknown=0, NotChecked=0, Total=420 [2024-12-02 12:39:56,443 INFO L87 Difference]: Start difference. First operand 1586 states and 1863 transitions. Second operand has 21 states, 20 states have (on average 10.8) internal successors, (216), 21 states have internal predecessors, (216), 19 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 19 states have call predecessors, (57), 19 states have call successors, (57) [2024-12-02 12:39:58,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:39:58,019 INFO L93 Difference]: Finished difference Result 4787 states and 5739 transitions. [2024-12-02 12:39:58,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-02 12:39:58,020 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 10.8) internal successors, (216), 21 states have internal predecessors, (216), 19 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 19 states have call predecessors, (57), 19 states have call successors, (57) Word has length 236 [2024-12-02 12:39:58,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:39:58,024 INFO L225 Difference]: With dead ends: 4787 [2024-12-02 12:39:58,024 INFO L226 Difference]: Without dead ends: 4786 [2024-12-02 12:39:58,024 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 480 GetRequests, 461 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=210, Invalid=210, Unknown=0, NotChecked=0, Total=420 [2024-12-02 12:39:58,025 INFO L435 NwaCegarLoop]: 104 mSDtfsCounter, 1110 mSDsluCounter, 692 mSDsCounter, 0 mSdLazyCounter, 362 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1146 SdHoareTripleChecker+Valid, 796 SdHoareTripleChecker+Invalid, 436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 12:39:58,025 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1146 Valid, 796 Invalid, 436 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 362 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 12:39:58,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4786 states. [2024-12-02 12:39:58,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4786 to 1700. [2024-12-02 12:39:58,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1700 states, 1499 states have (on average 1.1300867244829886) internal successors, (1694), 1507 states have internal predecessors, (1694), 165 states have call successors, (165), 27 states have call predecessors, (165), 27 states have return successors, (165), 165 states have call predecessors, (165), 165 states have call successors, (165) [2024-12-02 12:39:58,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1700 states to 1700 states and 2024 transitions. [2024-12-02 12:39:58,454 INFO L78 Accepts]: Start accepts. Automaton has 1700 states and 2024 transitions. Word has length 236 [2024-12-02 12:39:58,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:39:58,454 INFO L471 AbstractCegarLoop]: Abstraction has 1700 states and 2024 transitions. [2024-12-02 12:39:58,454 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 10.8) internal successors, (216), 21 states have internal predecessors, (216), 19 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 19 states have call predecessors, (57), 19 states have call successors, (57) [2024-12-02 12:39:58,454 INFO L276 IsEmpty]: Start isEmpty. Operand 1700 states and 2024 transitions. [2024-12-02 12:39:58,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2024-12-02 12:39:58,455 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:39:58,455 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:39:58,464 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Ended with exit code 0 [2024-12-02 12:39:58,656 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 52 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable59 [2024-12-02 12:39:58,656 INFO L396 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-12-02 12:39:58,656 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:39:58,656 INFO L85 PathProgramCache]: Analyzing trace with hash -1843276417, now seen corresponding path program 3 times [2024-12-02 12:39:58,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:39:58,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694008521] [2024-12-02 12:39:58,656 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-02 12:39:58,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:39:58,677 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2024-12-02 12:39:58,677 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 12:39:58,941 INFO L134 CoverageAnalysis]: Checked inductivity of 1229 backedges. 72 proven. 145 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-12-02 12:39:58,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:39:58,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694008521] [2024-12-02 12:39:58,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694008521] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:39:58,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [564109814] [2024-12-02 12:39:58,941 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-02 12:39:58,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:39:58,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:39:58,943 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:39:58,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (53)] Waiting until timeout for monitored process [2024-12-02 12:39:58,995 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-12-02 12:39:58,996 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 12:39:58,997 INFO L256 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-02 12:39:58,998 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:39:59,526 INFO L134 CoverageAnalysis]: Checked inductivity of 1229 backedges. 117 proven. 50 refuted. 0 times theorem prover too weak. 1062 trivial. 0 not checked. [2024-12-02 12:39:59,526 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:39:59,984 INFO L134 CoverageAnalysis]: Checked inductivity of 1229 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 1142 trivial. 0 not checked. [2024-12-02 12:39:59,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [564109814] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 12:39:59,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-12-02 12:39:59,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9, 8] total 20 [2024-12-02 12:39:59,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393663601] [2024-12-02 12:39:59,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:39:59,985 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 12:39:59,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:39:59,985 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 12:39:59,985 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=311, Unknown=0, NotChecked=0, Total=380 [2024-12-02 12:39:59,985 INFO L87 Difference]: Start difference. First operand 1700 states and 2024 transitions. Second operand has 7 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-12-02 12:40:00,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:40:00,851 INFO L93 Difference]: Finished difference Result 1713 states and 2038 transitions. [2024-12-02 12:40:00,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 12:40:00,851 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) Word has length 233 [2024-12-02 12:40:00,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:40:00,853 INFO L225 Difference]: With dead ends: 1713 [2024-12-02 12:40:00,853 INFO L226 Difference]: Without dead ends: 1712 [2024-12-02 12:40:00,854 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 481 GetRequests, 459 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=81, Invalid=381, Unknown=0, NotChecked=0, Total=462 [2024-12-02 12:40:00,854 INFO L435 NwaCegarLoop]: 27 mSDtfsCounter, 105 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 195 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 12:40:00,854 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 129 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 195 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 12:40:00,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1712 states. [2024-12-02 12:40:01,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1712 to 1701. [2024-12-02 12:40:01,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1701 states, 1500 states have (on average 1.13) internal successors, (1695), 1508 states have internal predecessors, (1695), 165 states have call successors, (165), 27 states have call predecessors, (165), 27 states have return successors, (165), 165 states have call predecessors, (165), 165 states have call successors, (165) [2024-12-02 12:40:01,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1701 states to 1701 states and 2025 transitions. [2024-12-02 12:40:01,226 INFO L78 Accepts]: Start accepts. Automaton has 1701 states and 2025 transitions. Word has length 233 [2024-12-02 12:40:01,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:40:01,226 INFO L471 AbstractCegarLoop]: Abstraction has 1701 states and 2025 transitions. [2024-12-02 12:40:01,226 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-12-02 12:40:01,226 INFO L276 IsEmpty]: Start isEmpty. Operand 1701 states and 2025 transitions. [2024-12-02 12:40:01,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2024-12-02 12:40:01,227 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:40:01,228 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:40:01,233 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (53)] Ended with exit code 0 [2024-12-02 12:40:01,428 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60,53 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:40:01,428 INFO L396 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-12-02 12:40:01,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:40:01,428 INFO L85 PathProgramCache]: Analyzing trace with hash -1862106559, now seen corresponding path program 1 times [2024-12-02 12:40:01,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:40:01,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145160717] [2024-12-02 12:40:01,429 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:40:01,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:40:01,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:40:01,677 INFO L134 CoverageAnalysis]: Checked inductivity of 1229 backedges. 72 proven. 145 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-12-02 12:40:01,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:40:01,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145160717] [2024-12-02 12:40:01,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [145160717] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:40:01,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [764250505] [2024-12-02 12:40:01,678 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:40:01,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:40:01,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:40:01,679 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:40:01,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (54)] Waiting until timeout for monitored process [2024-12-02 12:40:01,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:40:01,755 INFO L256 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-12-02 12:40:01,757 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:40:02,710 INFO L134 CoverageAnalysis]: Checked inductivity of 1229 backedges. 0 proven. 217 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-12-02 12:40:02,711 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:40:02,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [764250505] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:40:02,840 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 12:40:02,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 19] total 24 [2024-12-02 12:40:02,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472974960] [2024-12-02 12:40:02,840 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 12:40:02,840 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-12-02 12:40:02,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:40:02,841 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-12-02 12:40:02,841 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=580, Unknown=0, NotChecked=0, Total=702 [2024-12-02 12:40:02,841 INFO L87 Difference]: Start difference. First operand 1701 states and 2025 transitions. Second operand has 24 states, 24 states have (on average 9.916666666666666) internal successors, (238), 24 states have internal predecessors, (238), 13 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 13 states have call predecessors, (46), 13 states have call successors, (46) [2024-12-02 12:40:04,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:40:04,648 INFO L93 Difference]: Finished difference Result 1769 states and 2090 transitions. [2024-12-02 12:40:04,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-12-02 12:40:04,648 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 9.916666666666666) internal successors, (238), 24 states have internal predecessors, (238), 13 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 13 states have call predecessors, (46), 13 states have call successors, (46) Word has length 235 [2024-12-02 12:40:04,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:40:04,650 INFO L225 Difference]: With dead ends: 1769 [2024-12-02 12:40:04,650 INFO L226 Difference]: Without dead ends: 1764 [2024-12-02 12:40:04,651 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 225 SyntacticMatches, 3 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 191 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=122, Invalid=580, Unknown=0, NotChecked=0, Total=702 [2024-12-02 12:40:04,651 INFO L435 NwaCegarLoop]: 142 mSDtfsCounter, 109 mSDsluCounter, 1008 mSDsCounter, 0 mSdLazyCounter, 1680 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 1150 SdHoareTripleChecker+Invalid, 1683 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1680 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-12-02 12:40:04,651 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 1150 Invalid, 1683 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1680 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-12-02 12:40:04,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1764 states. [2024-12-02 12:40:05,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1764 to 1701. [2024-12-02 12:40:05,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1701 states, 1500 states have (on average 1.1246666666666667) internal successors, (1687), 1508 states have internal predecessors, (1687), 165 states have call successors, (165), 27 states have call predecessors, (165), 27 states have return successors, (165), 165 states have call predecessors, (165), 165 states have call successors, (165) [2024-12-02 12:40:05,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1701 states to 1701 states and 2017 transitions. [2024-12-02 12:40:05,006 INFO L78 Accepts]: Start accepts. Automaton has 1701 states and 2017 transitions. Word has length 235 [2024-12-02 12:40:05,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:40:05,006 INFO L471 AbstractCegarLoop]: Abstraction has 1701 states and 2017 transitions. [2024-12-02 12:40:05,006 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 9.916666666666666) internal successors, (238), 24 states have internal predecessors, (238), 13 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 13 states have call predecessors, (46), 13 states have call successors, (46) [2024-12-02 12:40:05,006 INFO L276 IsEmpty]: Start isEmpty. Operand 1701 states and 2017 transitions. [2024-12-02 12:40:05,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2024-12-02 12:40:05,007 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:40:05,008 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:40:05,013 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (54)] Ended with exit code 0 [2024-12-02 12:40:05,208 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61,54 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:40:05,208 INFO L396 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-12-02 12:40:05,208 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:40:05,208 INFO L85 PathProgramCache]: Analyzing trace with hash -1613740350, now seen corresponding path program 2 times [2024-12-02 12:40:05,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:40:05,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24070330] [2024-12-02 12:40:05,208 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 12:40:05,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:40:05,221 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-02 12:40:05,221 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 12:40:05,724 INFO L134 CoverageAnalysis]: Checked inductivity of 1156 backedges. 0 proven. 219 refuted. 0 times theorem prover too weak. 937 trivial. 0 not checked. [2024-12-02 12:40:05,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:40:05,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24070330] [2024-12-02 12:40:05,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [24070330] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:40:05,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [595086890] [2024-12-02 12:40:05,725 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 12:40:05,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:40:05,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:40:05,726 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:40:05,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (55)] Waiting until timeout for monitored process [2024-12-02 12:40:05,801 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-02 12:40:05,801 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 12:40:05,802 INFO L256 TraceCheckSpWp]: Trace formula consists of 432 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-02 12:40:05,804 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:40:06,489 INFO L134 CoverageAnalysis]: Checked inductivity of 1156 backedges. 3 proven. 216 refuted. 0 times theorem prover too weak. 937 trivial. 0 not checked. [2024-12-02 12:40:06,489 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:40:07,497 INFO L134 CoverageAnalysis]: Checked inductivity of 1156 backedges. 111 proven. 108 refuted. 0 times theorem prover too weak. 937 trivial. 0 not checked. [2024-12-02 12:40:07,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [595086890] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 12:40:07,497 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 12:40:07,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 13, 12] total 26 [2024-12-02 12:40:07,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834312259] [2024-12-02 12:40:07,497 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 12:40:07,498 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-12-02 12:40:07,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:40:07,498 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-12-02 12:40:07,498 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=559, Unknown=0, NotChecked=0, Total=702 [2024-12-02 12:40:07,498 INFO L87 Difference]: Start difference. First operand 1701 states and 2017 transitions. Second operand has 27 states, 26 states have (on average 10.26923076923077) internal successors, (267), 27 states have internal predecessors, (267), 15 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 15 states have call predecessors, (44), 15 states have call successors, (44) [2024-12-02 12:40:09,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:40:09,403 INFO L93 Difference]: Finished difference Result 1924 states and 2285 transitions. [2024-12-02 12:40:09,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-12-02 12:40:09,404 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 10.26923076923077) internal successors, (267), 27 states have internal predecessors, (267), 15 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 15 states have call predecessors, (44), 15 states have call successors, (44) Word has length 235 [2024-12-02 12:40:09,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:40:09,406 INFO L225 Difference]: With dead ends: 1924 [2024-12-02 12:40:09,406 INFO L226 Difference]: Without dead ends: 1915 [2024-12-02 12:40:09,407 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 501 GetRequests, 454 SyntacticMatches, 2 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 481 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=444, Invalid=1718, Unknown=0, NotChecked=0, Total=2162 [2024-12-02 12:40:09,407 INFO L435 NwaCegarLoop]: 146 mSDtfsCounter, 372 mSDsluCounter, 1272 mSDsCounter, 0 mSdLazyCounter, 973 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 379 SdHoareTripleChecker+Valid, 1418 SdHoareTripleChecker+Invalid, 1042 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 973 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:40:09,407 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [379 Valid, 1418 Invalid, 1042 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 973 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-12-02 12:40:09,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1915 states. [2024-12-02 12:40:09,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1915 to 1876. [2024-12-02 12:40:09,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1876 states, 1659 states have (on average 1.1247739602169982) internal successors, (1866), 1667 states have internal predecessors, (1866), 181 states have call successors, (181), 27 states have call predecessors, (181), 27 states have return successors, (181), 181 states have call predecessors, (181), 181 states have call successors, (181) [2024-12-02 12:40:09,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1876 states to 1876 states and 2228 transitions. [2024-12-02 12:40:09,823 INFO L78 Accepts]: Start accepts. Automaton has 1876 states and 2228 transitions. Word has length 235 [2024-12-02 12:40:09,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:40:09,824 INFO L471 AbstractCegarLoop]: Abstraction has 1876 states and 2228 transitions. [2024-12-02 12:40:09,824 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 10.26923076923077) internal successors, (267), 27 states have internal predecessors, (267), 15 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 15 states have call predecessors, (44), 15 states have call successors, (44) [2024-12-02 12:40:09,824 INFO L276 IsEmpty]: Start isEmpty. Operand 1876 states and 2228 transitions. [2024-12-02 12:40:09,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2024-12-02 12:40:09,825 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:40:09,825 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:40:09,830 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (55)] Ended with exit code 0 [2024-12-02 12:40:10,025 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62,55 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:40:10,026 INFO L396 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-12-02 12:40:10,026 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:40:10,026 INFO L85 PathProgramCache]: Analyzing trace with hash 653498248, now seen corresponding path program 3 times [2024-12-02 12:40:10,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:40:10,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822840134] [2024-12-02 12:40:10,026 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-02 12:40:10,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:40:10,050 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-12-02 12:40:10,050 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 12:40:10,540 INFO L134 CoverageAnalysis]: Checked inductivity of 1160 backedges. 26 proven. 210 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-12-02 12:40:10,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:40:10,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822840134] [2024-12-02 12:40:10,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822840134] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:40:10,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2098725958] [2024-12-02 12:40:10,540 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-02 12:40:10,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:40:10,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:40:10,542 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:40:10,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (56)] Waiting until timeout for monitored process [2024-12-02 12:40:10,591 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-12-02 12:40:10,591 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 12:40:10,592 INFO L256 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-02 12:40:10,594 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:40:11,100 INFO L134 CoverageAnalysis]: Checked inductivity of 1160 backedges. 103 proven. 52 refuted. 0 times theorem prover too weak. 1005 trivial. 0 not checked. [2024-12-02 12:40:11,101 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:40:11,334 INFO L134 CoverageAnalysis]: Checked inductivity of 1160 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 1077 trivial. 0 not checked. [2024-12-02 12:40:11,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2098725958] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 12:40:11,335 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-12-02 12:40:11,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [16, 8] total 26 [2024-12-02 12:40:11,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455692283] [2024-12-02 12:40:11,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:40:11,335 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 12:40:11,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:40:11,335 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 12:40:11,336 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=604, Unknown=0, NotChecked=0, Total=702 [2024-12-02 12:40:11,336 INFO L87 Difference]: Start difference. First operand 1876 states and 2228 transitions. Second operand has 7 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-12-02 12:40:12,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:40:12,137 INFO L93 Difference]: Finished difference Result 1879 states and 2230 transitions. [2024-12-02 12:40:12,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 12:40:12,137 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) Word has length 239 [2024-12-02 12:40:12,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:40:12,139 INFO L225 Difference]: With dead ends: 1879 [2024-12-02 12:40:12,139 INFO L226 Difference]: Without dead ends: 1874 [2024-12-02 12:40:12,140 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 496 GetRequests, 468 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 243 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=108, Invalid=704, Unknown=0, NotChecked=0, Total=812 [2024-12-02 12:40:12,140 INFO L435 NwaCegarLoop]: 31 mSDtfsCounter, 67 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 12:40:12,140 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 126 Invalid, 216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 12:40:12,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1874 states. [2024-12-02 12:40:12,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1874 to 1874. [2024-12-02 12:40:12,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1874 states, 1657 states have (on average 1.1110440555220278) internal successors, (1841), 1665 states have internal predecessors, (1841), 181 states have call successors, (181), 27 states have call predecessors, (181), 27 states have return successors, (181), 181 states have call predecessors, (181), 181 states have call successors, (181) [2024-12-02 12:40:12,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1874 states to 1874 states and 2203 transitions. [2024-12-02 12:40:12,556 INFO L78 Accepts]: Start accepts. Automaton has 1874 states and 2203 transitions. Word has length 239 [2024-12-02 12:40:12,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:40:12,556 INFO L471 AbstractCegarLoop]: Abstraction has 1874 states and 2203 transitions. [2024-12-02 12:40:12,556 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-12-02 12:40:12,556 INFO L276 IsEmpty]: Start isEmpty. Operand 1874 states and 2203 transitions. [2024-12-02 12:40:12,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2024-12-02 12:40:12,557 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:40:12,557 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:40:12,565 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (56)] Ended with exit code 0 [2024-12-02 12:40:12,758 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63,56 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:40:12,758 INFO L396 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-12-02 12:40:12,758 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:40:12,758 INFO L85 PathProgramCache]: Analyzing trace with hash -44451615, now seen corresponding path program 2 times [2024-12-02 12:40:12,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:40:12,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144922106] [2024-12-02 12:40:12,758 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 12:40:12,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:40:12,770 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-02 12:40:12,770 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 12:40:13,648 INFO L134 CoverageAnalysis]: Checked inductivity of 1360 backedges. 0 proven. 256 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-12-02 12:40:13,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:40:13,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144922106] [2024-12-02 12:40:13,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1144922106] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:40:13,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [326425041] [2024-12-02 12:40:13,649 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 12:40:13,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:40:13,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:40:13,650 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:40:13,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (57)] Waiting until timeout for monitored process [2024-12-02 12:40:13,722 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-02 12:40:13,722 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 12:40:13,724 INFO L256 TraceCheckSpWp]: Trace formula consists of 452 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-02 12:40:13,725 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:40:14,137 INFO L134 CoverageAnalysis]: Checked inductivity of 1360 backedges. 0 proven. 1276 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-12-02 12:40:14,137 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:40:14,985 INFO L134 CoverageAnalysis]: Checked inductivity of 1360 backedges. 0 proven. 256 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-12-02 12:40:14,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [326425041] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 12:40:14,985 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 12:40:14,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 21, 22] total 47 [2024-12-02 12:40:14,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623755235] [2024-12-02 12:40:14,986 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 12:40:14,986 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2024-12-02 12:40:14,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:40:14,987 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2024-12-02 12:40:14,987 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=479, Invalid=1683, Unknown=0, NotChecked=0, Total=2162 [2024-12-02 12:40:14,987 INFO L87 Difference]: Start difference. First operand 1874 states and 2203 transitions. Second operand has 47 states, 47 states have (on average 5.9787234042553195) internal successors, (281), 47 states have internal predecessors, (281), 18 states have call successors, (72), 10 states have call predecessors, (72), 10 states have return successors, (72), 18 states have call predecessors, (72), 18 states have call successors, (72) [2024-12-02 12:40:17,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:40:17,311 INFO L93 Difference]: Finished difference Result 3247 states and 3838 transitions. [2024-12-02 12:40:17,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-12-02 12:40:17,312 INFO L78 Accepts]: Start accepts. Automaton has has 47 states, 47 states have (on average 5.9787234042553195) internal successors, (281), 47 states have internal predecessors, (281), 18 states have call successors, (72), 10 states have call predecessors, (72), 10 states have return successors, (72), 18 states have call predecessors, (72), 18 states have call successors, (72) Word has length 241 [2024-12-02 12:40:17,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:40:17,314 INFO L225 Difference]: With dead ends: 3247 [2024-12-02 12:40:17,314 INFO L226 Difference]: Without dead ends: 2942 [2024-12-02 12:40:17,315 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 550 GetRequests, 460 SyntacticMatches, 0 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2402 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=1801, Invalid=6571, Unknown=0, NotChecked=0, Total=8372 [2024-12-02 12:40:17,316 INFO L435 NwaCegarLoop]: 55 mSDtfsCounter, 387 mSDsluCounter, 886 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 387 SdHoareTripleChecker+Valid, 941 SdHoareTripleChecker+Invalid, 412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 12:40:17,316 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [387 Valid, 941 Invalid, 412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 379 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 12:40:17,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2942 states. [2024-12-02 12:40:18,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2942 to 2900. [2024-12-02 12:40:18,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2900 states, 2587 states have (on average 1.0923850019327406) internal successors, (2826), 2596 states have internal predecessors, (2826), 265 states have call successors, (265), 39 states have call predecessors, (265), 39 states have return successors, (265), 264 states have call predecessors, (265), 265 states have call successors, (265) [2024-12-02 12:40:18,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2900 states to 2900 states and 3356 transitions. [2024-12-02 12:40:18,016 INFO L78 Accepts]: Start accepts. Automaton has 2900 states and 3356 transitions. Word has length 241 [2024-12-02 12:40:18,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:40:18,016 INFO L471 AbstractCegarLoop]: Abstraction has 2900 states and 3356 transitions. [2024-12-02 12:40:18,017 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 5.9787234042553195) internal successors, (281), 47 states have internal predecessors, (281), 18 states have call successors, (72), 10 states have call predecessors, (72), 10 states have return successors, (72), 18 states have call predecessors, (72), 18 states have call successors, (72) [2024-12-02 12:40:18,017 INFO L276 IsEmpty]: Start isEmpty. Operand 2900 states and 3356 transitions. [2024-12-02 12:40:18,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2024-12-02 12:40:18,018 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:40:18,018 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1] [2024-12-02 12:40:18,023 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (57)] Forceful destruction successful, exit code 0 [2024-12-02 12:40:18,218 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 57 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable64 [2024-12-02 12:40:18,218 INFO L396 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-12-02 12:40:18,218 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:40:18,219 INFO L85 PathProgramCache]: Analyzing trace with hash -780660363, now seen corresponding path program 8 times [2024-12-02 12:40:18,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:40:18,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925568910] [2024-12-02 12:40:18,219 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 12:40:18,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:40:18,237 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-02 12:40:18,238 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-12-02 12:40:18,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1682143842] [2024-12-02 12:40:18,239 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 12:40:18,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:40:18,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:40:18,240 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:40:18,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (58)] Waiting until timeout for monitored process [2024-12-02 12:40:18,324 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-02 12:40:18,324 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 12:40:18,327 INFO L256 TraceCheckSpWp]: Trace formula consists of 471 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-12-02 12:40:18,329 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:40:20,328 INFO L134 CoverageAnalysis]: Checked inductivity of 1384 backedges. 0 proven. 280 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-12-02 12:40:20,329 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:40:21,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:40:21,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925568910] [2024-12-02 12:40:21,460 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-12-02 12:40:21,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1682143842] [2024-12-02 12:40:21,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1682143842] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:40:21,461 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-12-02 12:40:21,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2024-12-02 12:40:21,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663539241] [2024-12-02 12:40:21,461 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-12-02 12:40:21,461 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-12-02 12:40:21,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:40:21,462 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-12-02 12:40:21,462 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=802, Unknown=0, NotChecked=0, Total=930 [2024-12-02 12:40:21,462 INFO L87 Difference]: Start difference. First operand 2900 states and 3356 transitions. Second operand has 26 states, 25 states have (on average 5.4) internal successors, (135), 26 states have internal predecessors, (135), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) [2024-12-02 12:40:24,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:40:24,792 INFO L93 Difference]: Finished difference Result 3130 states and 3622 transitions. [2024-12-02 12:40:24,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-12-02 12:40:24,793 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 5.4) internal successors, (135), 26 states have internal predecessors, (135), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) Word has length 252 [2024-12-02 12:40:24,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:40:24,796 INFO L225 Difference]: With dead ends: 3130 [2024-12-02 12:40:24,796 INFO L226 Difference]: Without dead ends: 3129 [2024-12-02 12:40:24,796 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 241 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=162, Invalid=960, Unknown=0, NotChecked=0, Total=1122 [2024-12-02 12:40:24,796 INFO L435 NwaCegarLoop]: 123 mSDtfsCounter, 95 mSDsluCounter, 1626 mSDsCounter, 0 mSdLazyCounter, 3367 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 1749 SdHoareTripleChecker+Invalid, 3379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 3367 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-12-02 12:40:24,796 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 1749 Invalid, 3379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 3367 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-12-02 12:40:24,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3129 states. [2024-12-02 12:40:25,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3129 to 2900. [2024-12-02 12:40:25,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2900 states, 2587 states have (on average 1.091998453807499) internal successors, (2825), 2596 states have internal predecessors, (2825), 265 states have call successors, (265), 39 states have call predecessors, (265), 39 states have return successors, (265), 264 states have call predecessors, (265), 265 states have call successors, (265) [2024-12-02 12:40:25,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2900 states to 2900 states and 3355 transitions. [2024-12-02 12:40:25,484 INFO L78 Accepts]: Start accepts. Automaton has 2900 states and 3355 transitions. Word has length 252 [2024-12-02 12:40:25,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:40:25,484 INFO L471 AbstractCegarLoop]: Abstraction has 2900 states and 3355 transitions. [2024-12-02 12:40:25,484 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 5.4) internal successors, (135), 26 states have internal predecessors, (135), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) [2024-12-02 12:40:25,484 INFO L276 IsEmpty]: Start isEmpty. Operand 2900 states and 3355 transitions. [2024-12-02 12:40:25,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2024-12-02 12:40:25,486 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:40:25,487 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1] [2024-12-02 12:40:25,492 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (58)] Ended with exit code 0 [2024-12-02 12:40:25,687 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 58 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable65 [2024-12-02 12:40:25,687 INFO L396 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-12-02 12:40:25,687 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:40:25,688 INFO L85 PathProgramCache]: Analyzing trace with hash 1954547668, now seen corresponding path program 4 times [2024-12-02 12:40:25,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:40:25,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053260618] [2024-12-02 12:40:25,688 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-02 12:40:25,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:40:25,720 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-02 12:40:25,721 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 12:40:26,676 INFO L134 CoverageAnalysis]: Checked inductivity of 1288 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-12-02 12:40:26,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:40:26,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053260618] [2024-12-02 12:40:26,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053260618] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:40:26,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2098228814] [2024-12-02 12:40:26,677 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-02 12:40:26,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:40:26,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:40:26,678 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:40:26,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (59)] Waiting until timeout for monitored process [2024-12-02 12:40:26,776 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-02 12:40:26,776 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 12:40:26,778 INFO L256 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-12-02 12:40:26,780 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:40:29,936 INFO L134 CoverageAnalysis]: Checked inductivity of 1288 backedges. 168 proven. 288 refuted. 0 times theorem prover too weak. 832 trivial. 0 not checked. [2024-12-02 12:40:29,936 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:40:35,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2098228814] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:40:35,014 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 12:40:35,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 25] total 38 [2024-12-02 12:40:35,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266294872] [2024-12-02 12:40:35,015 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 12:40:35,015 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2024-12-02 12:40:35,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:40:35,016 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2024-12-02 12:40:35,016 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=1670, Unknown=1, NotChecked=0, Total=1806 [2024-12-02 12:40:35,016 INFO L87 Difference]: Start difference. First operand 2900 states and 3355 transitions. Second operand has 39 states, 38 states have (on average 7.342105263157895) internal successors, (279), 39 states have internal predecessors, (279), 17 states have call successors, (46), 1 states have call predecessors, (46), 2 states have return successors, (46), 18 states have call predecessors, (46), 17 states have call successors, (46) [2024-12-02 12:40:42,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:40:42,789 INFO L93 Difference]: Finished difference Result 3391 states and 3921 transitions. [2024-12-02 12:40:42,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-12-02 12:40:42,790 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 38 states have (on average 7.342105263157895) internal successors, (279), 39 states have internal predecessors, (279), 17 states have call successors, (46), 1 states have call predecessors, (46), 2 states have return successors, (46), 18 states have call predecessors, (46), 17 states have call successors, (46) Word has length 252 [2024-12-02 12:40:42,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:40:42,793 INFO L225 Difference]: With dead ends: 3391 [2024-12-02 12:40:42,793 INFO L226 Difference]: Without dead ends: 3390 [2024-12-02 12:40:42,794 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 331 GetRequests, 245 SyntacticMatches, 2 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1906 ImplicationChecksByTransitivity, 7.9s TimeCoverageRelationStatistics Valid=546, Invalid=6763, Unknown=1, NotChecked=0, Total=7310 [2024-12-02 12:40:42,794 INFO L435 NwaCegarLoop]: 143 mSDtfsCounter, 546 mSDsluCounter, 2817 mSDsCounter, 0 mSdLazyCounter, 5589 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 551 SdHoareTripleChecker+Valid, 2960 SdHoareTripleChecker+Invalid, 5699 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 5589 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2024-12-02 12:40:42,794 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [551 Valid, 2960 Invalid, 5699 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 5589 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2024-12-02 12:40:42,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3390 states. [2024-12-02 12:40:43,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3390 to 2952. [2024-12-02 12:40:43,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2952 states, 2635 states have (on average 1.0910815939278937) internal successors, (2875), 2644 states have internal predecessors, (2875), 269 states have call successors, (269), 39 states have call predecessors, (269), 39 states have return successors, (269), 268 states have call predecessors, (269), 269 states have call successors, (269) [2024-12-02 12:40:43,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2952 states to 2952 states and 3413 transitions. [2024-12-02 12:40:43,497 INFO L78 Accepts]: Start accepts. Automaton has 2952 states and 3413 transitions. Word has length 252 [2024-12-02 12:40:43,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:40:43,498 INFO L471 AbstractCegarLoop]: Abstraction has 2952 states and 3413 transitions. [2024-12-02 12:40:43,498 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 38 states have (on average 7.342105263157895) internal successors, (279), 39 states have internal predecessors, (279), 17 states have call successors, (46), 1 states have call predecessors, (46), 2 states have return successors, (46), 18 states have call predecessors, (46), 17 states have call successors, (46) [2024-12-02 12:40:43,498 INFO L276 IsEmpty]: Start isEmpty. Operand 2952 states and 3413 transitions. [2024-12-02 12:40:43,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2024-12-02 12:40:43,499 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:40:43,499 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1] [2024-12-02 12:40:43,505 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (59)] Ended with exit code 0 [2024-12-02 12:40:43,699 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 59 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable66 [2024-12-02 12:40:43,700 INFO L396 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-12-02 12:40:43,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:40:43,700 INFO L85 PathProgramCache]: Analyzing trace with hash 2129226958, now seen corresponding path program 9 times [2024-12-02 12:40:43,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:40:43,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82258698] [2024-12-02 12:40:43,700 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-02 12:40:43,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:40:43,734 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-12-02 12:40:43,734 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 12:40:44,627 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 288 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-12-02 12:40:44,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:40:44,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82258698] [2024-12-02 12:40:44,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82258698] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:40:44,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [742012138] [2024-12-02 12:40:44,627 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-02 12:40:44,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:40:44,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:40:44,629 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:40:44,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (60)] Waiting until timeout for monitored process [2024-12-02 12:40:44,686 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-12-02 12:40:44,687 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 12:40:44,687 INFO L256 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-02 12:40:44,689 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:40:45,329 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 1160 trivial. 0 not checked. [2024-12-02 12:40:45,330 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:40:45,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [742012138] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:40:45,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 12:40:45,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [19] total 27 [2024-12-02 12:40:45,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252420252] [2024-12-02 12:40:45,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:40:45,330 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 12:40:45,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:40:45,331 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 12:40:45,331 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=674, Unknown=0, NotChecked=0, Total=756 [2024-12-02 12:40:45,331 INFO L87 Difference]: Start difference. First operand 2952 states and 3413 transitions. Second operand has 10 states, 9 states have (on average 6.777777777777778) internal successors, (61), 10 states have internal predecessors, (61), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-12-02 12:40:46,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:40:46,591 INFO L93 Difference]: Finished difference Result 2971 states and 3433 transitions. [2024-12-02 12:40:46,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 12:40:46,591 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.777777777777778) internal successors, (61), 10 states have internal predecessors, (61), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) Word has length 256 [2024-12-02 12:40:46,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:40:46,594 INFO L225 Difference]: With dead ends: 2971 [2024-12-02 12:40:46,594 INFO L226 Difference]: Without dead ends: 2970 [2024-12-02 12:40:46,594 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 278 GetRequests, 248 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=102, Invalid=828, Unknown=0, NotChecked=0, Total=930 [2024-12-02 12:40:46,595 INFO L435 NwaCegarLoop]: 20 mSDtfsCounter, 130 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 290 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 290 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 12:40:46,595 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 113 Invalid, 320 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 290 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 12:40:46,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2970 states. [2024-12-02 12:40:47,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2970 to 2463. [2024-12-02 12:40:47,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2463 states, 2177 states have (on average 1.0854386770785485) internal successors, (2363), 2185 states have internal predecessors, (2363), 239 states have call successors, (239), 39 states have call predecessors, (239), 39 states have return successors, (239), 238 states have call predecessors, (239), 239 states have call successors, (239) [2024-12-02 12:40:47,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2463 states to 2463 states and 2841 transitions. [2024-12-02 12:40:47,228 INFO L78 Accepts]: Start accepts. Automaton has 2463 states and 2841 transitions. Word has length 256 [2024-12-02 12:40:47,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:40:47,229 INFO L471 AbstractCegarLoop]: Abstraction has 2463 states and 2841 transitions. [2024-12-02 12:40:47,229 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.777777777777778) internal successors, (61), 10 states have internal predecessors, (61), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-12-02 12:40:47,229 INFO L276 IsEmpty]: Start isEmpty. Operand 2463 states and 2841 transitions. [2024-12-02 12:40:47,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2024-12-02 12:40:47,231 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:40:47,231 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1] [2024-12-02 12:40:47,236 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (60)] Ended with exit code 0 [2024-12-02 12:40:47,431 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 60 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable67 [2024-12-02 12:40:47,431 INFO L396 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-12-02 12:40:47,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:40:47,432 INFO L85 PathProgramCache]: Analyzing trace with hash -1984477624, now seen corresponding path program 2 times [2024-12-02 12:40:47,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:40:47,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622501756] [2024-12-02 12:40:47,432 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 12:40:47,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:40:47,447 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-02 12:40:47,447 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 12:40:47,875 INFO L134 CoverageAnalysis]: Checked inductivity of 1610 backedges. 50 proven. 120 refuted. 0 times theorem prover too weak. 1440 trivial. 0 not checked. [2024-12-02 12:40:47,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:40:47,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622501756] [2024-12-02 12:40:47,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1622501756] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:40:47,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2005009510] [2024-12-02 12:40:47,875 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 12:40:47,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:40:47,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:40:47,877 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:40:47,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (61)] Waiting until timeout for monitored process [2024-12-02 12:40:47,952 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-02 12:40:47,952 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 12:40:47,953 INFO L256 TraceCheckSpWp]: Trace formula consists of 499 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-02 12:40:47,955 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:40:50,499 INFO L134 CoverageAnalysis]: Checked inductivity of 1610 backedges. 0 proven. 310 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-12-02 12:40:50,499 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:41:35,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2005009510] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:41:35,220 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 12:41:35,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 28] total 40 [2024-12-02 12:41:35,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130912892] [2024-12-02 12:41:35,220 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 12:41:35,220 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2024-12-02 12:41:35,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:41:35,221 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2024-12-02 12:41:35,221 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=956, Invalid=2583, Unknown=1, NotChecked=0, Total=3540 [2024-12-02 12:41:35,221 INFO L87 Difference]: Start difference. First operand 2463 states and 2841 transitions. Second operand has 41 states, 40 states have (on average 5.975) internal successors, (239), 41 states have internal predecessors, (239), 15 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 15 states have call predecessors, (40), 15 states have call successors, (40) [2024-12-02 12:41:40,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:41:40,924 INFO L93 Difference]: Finished difference Result 3235 states and 3732 transitions. [2024-12-02 12:41:40,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-12-02 12:41:40,924 INFO L78 Accepts]: Start accepts. Automaton has has 41 states, 40 states have (on average 5.975) internal successors, (239), 41 states have internal predecessors, (239), 15 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 15 states have call predecessors, (40), 15 states have call successors, (40) Word has length 270 [2024-12-02 12:41:40,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:41:40,927 INFO L225 Difference]: With dead ends: 3235 [2024-12-02 12:41:40,927 INFO L226 Difference]: Without dead ends: 3234 [2024-12-02 12:41:40,928 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 448 GetRequests, 368 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2168 ImplicationChecksByTransitivity, 11.0s TimeCoverageRelationStatistics Valid=1857, Invalid=4784, Unknown=1, NotChecked=0, Total=6642 [2024-12-02 12:41:40,928 INFO L435 NwaCegarLoop]: 156 mSDtfsCounter, 424 mSDsluCounter, 1993 mSDsCounter, 0 mSdLazyCounter, 4815 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 434 SdHoareTripleChecker+Valid, 2149 SdHoareTripleChecker+Invalid, 4877 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 4815 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2024-12-02 12:41:40,928 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [434 Valid, 2149 Invalid, 4877 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 4815 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2024-12-02 12:41:40,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3234 states. [2024-12-02 12:41:41,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3234 to 2551. [2024-12-02 12:41:41,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2551 states, 2255 states have (on average 1.0824833702882484) internal successors, (2441), 2264 states have internal predecessors, (2441), 249 states have call successors, (249), 39 states have call predecessors, (249), 39 states have return successors, (249), 247 states have call predecessors, (249), 249 states have call successors, (249) [2024-12-02 12:41:41,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2551 states to 2551 states and 2939 transitions. [2024-12-02 12:41:41,639 INFO L78 Accepts]: Start accepts. Automaton has 2551 states and 2939 transitions. Word has length 270 [2024-12-02 12:41:41,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:41:41,639 INFO L471 AbstractCegarLoop]: Abstraction has 2551 states and 2939 transitions. [2024-12-02 12:41:41,639 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 40 states have (on average 5.975) internal successors, (239), 41 states have internal predecessors, (239), 15 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 15 states have call predecessors, (40), 15 states have call successors, (40) [2024-12-02 12:41:41,639 INFO L276 IsEmpty]: Start isEmpty. Operand 2551 states and 2939 transitions. [2024-12-02 12:41:41,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2024-12-02 12:41:41,641 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:41:41,641 INFO L218 NwaCegarLoop]: trace histogram [33, 33, 33, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 1, 1, 1] [2024-12-02 12:41:41,647 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (61)] Ended with exit code 0 [2024-12-02 12:41:41,841 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 61 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable68 [2024-12-02 12:41:41,842 INFO L396 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-12-02 12:41:41,842 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:41:41,842 INFO L85 PathProgramCache]: Analyzing trace with hash 1583450463, now seen corresponding path program 3 times [2024-12-02 12:41:41,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:41:41,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982895313] [2024-12-02 12:41:41,842 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-02 12:41:41,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:41:41,861 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 19 check-sat command(s) [2024-12-02 12:41:41,862 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 12:41:42,124 INFO L134 CoverageAnalysis]: Checked inductivity of 2862 backedges. 0 proven. 750 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-12-02 12:41:42,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:41:42,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982895313] [2024-12-02 12:41:42,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982895313] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:41:42,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [220605158] [2024-12-02 12:41:42,125 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-02 12:41:42,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:41:42,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:41:42,126 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:41:42,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (62)] Waiting until timeout for monitored process [2024-12-02 12:41:42,232 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 19 check-sat command(s) [2024-12-02 12:41:42,232 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 12:41:42,234 INFO L256 TraceCheckSpWp]: Trace formula consists of 540 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-02 12:41:42,236 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:41:42,531 INFO L134 CoverageAnalysis]: Checked inductivity of 2862 backedges. 0 proven. 750 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-12-02 12:41:42,531 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:41:43,167 INFO L134 CoverageAnalysis]: Checked inductivity of 2862 backedges. 0 proven. 750 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-12-02 12:41:43,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [220605158] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 12:41:43,167 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 12:41:43,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 24 [2024-12-02 12:41:43,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692242196] [2024-12-02 12:41:43,168 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 12:41:43,169 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-12-02 12:41:43,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:41:43,169 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-12-02 12:41:43,169 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2024-12-02 12:41:43,169 INFO L87 Difference]: Start difference. First operand 2551 states and 2939 transitions. Second operand has 25 states, 24 states have (on average 10.583333333333334) internal successors, (254), 25 states have internal predecessors, (254), 23 states have call successors, (69), 1 states have call predecessors, (69), 1 states have return successors, (69), 23 states have call predecessors, (69), 23 states have call successors, (69) [2024-12-02 12:41:45,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:41:45,510 INFO L93 Difference]: Finished difference Result 5025 states and 5943 transitions. [2024-12-02 12:41:45,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-12-02 12:41:45,511 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 10.583333333333334) internal successors, (254), 25 states have internal predecessors, (254), 23 states have call successors, (69), 1 states have call predecessors, (69), 1 states have return successors, (69), 23 states have call predecessors, (69), 23 states have call successors, (69) Word has length 286 [2024-12-02 12:41:45,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:41:45,514 INFO L225 Difference]: With dead ends: 5025 [2024-12-02 12:41:45,514 INFO L226 Difference]: Without dead ends: 5023 [2024-12-02 12:41:45,515 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 582 GetRequests, 559 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2024-12-02 12:41:45,515 INFO L435 NwaCegarLoop]: 98 mSDtfsCounter, 1237 mSDsluCounter, 712 mSDsCounter, 0 mSdLazyCounter, 468 mSolverCounterSat, 111 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1281 SdHoareTripleChecker+Valid, 810 SdHoareTripleChecker+Invalid, 579 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Valid, 468 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 12:41:45,515 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1281 Valid, 810 Invalid, 579 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [111 Valid, 468 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 12:41:45,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5023 states. [2024-12-02 12:41:46,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5023 to 2597. [2024-12-02 12:41:46,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2597 states, 2291 states have (on average 1.0829332169358359) internal successors, (2481), 2300 states have internal predecessors, (2481), 261 states have call successors, (261), 37 states have call predecessors, (261), 37 states have return successors, (261), 259 states have call predecessors, (261), 261 states have call successors, (261) [2024-12-02 12:41:46,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2597 states to 2597 states and 3003 transitions. [2024-12-02 12:41:46,268 INFO L78 Accepts]: Start accepts. Automaton has 2597 states and 3003 transitions. Word has length 286 [2024-12-02 12:41:46,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:41:46,269 INFO L471 AbstractCegarLoop]: Abstraction has 2597 states and 3003 transitions. [2024-12-02 12:41:46,269 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 10.583333333333334) internal successors, (254), 25 states have internal predecessors, (254), 23 states have call successors, (69), 1 states have call predecessors, (69), 1 states have return successors, (69), 23 states have call predecessors, (69), 23 states have call successors, (69) [2024-12-02 12:41:46,269 INFO L276 IsEmpty]: Start isEmpty. Operand 2597 states and 3003 transitions. [2024-12-02 12:41:46,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2024-12-02 12:41:46,271 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:41:46,271 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1] [2024-12-02 12:41:46,277 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (62)] Ended with exit code 0 [2024-12-02 12:41:46,471 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 62 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable69 [2024-12-02 12:41:46,471 INFO L396 AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-12-02 12:41:46,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:41:46,472 INFO L85 PathProgramCache]: Analyzing trace with hash -1333679814, now seen corresponding path program 3 times [2024-12-02 12:41:46,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:41:46,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480011236] [2024-12-02 12:41:46,472 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-02 12:41:46,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:41:46,516 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 14 check-sat command(s) [2024-12-02 12:41:46,516 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 12:41:47,227 INFO L134 CoverageAnalysis]: Checked inductivity of 1486 backedges. 132 proven. 246 refuted. 0 times theorem prover too weak. 1108 trivial. 0 not checked. [2024-12-02 12:41:47,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:41:47,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480011236] [2024-12-02 12:41:47,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480011236] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:41:47,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1803292923] [2024-12-02 12:41:47,227 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-02 12:41:47,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:41:47,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:41:47,229 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:41:47,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (63)] Waiting until timeout for monitored process [2024-12-02 12:41:47,287 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-12-02 12:41:47,287 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 12:41:47,288 INFO L256 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-02 12:41:47,290 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:41:48,038 INFO L134 CoverageAnalysis]: Checked inductivity of 1486 backedges. 99 proven. 46 refuted. 0 times theorem prover too weak. 1341 trivial. 0 not checked. [2024-12-02 12:41:48,038 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:41:52,860 WARN L851 $PredicateComparison]: unable to prove that (and (forall ((v_z_373 Int)) (let ((.cse1 (* v_z_373 |c_ULTIMATE.start_main_~B~0#1|))) (or (< 1 v_z_373) (= v_z_373 0) (forall ((v_y_371 Int) (v_y_373 Int)) (let ((.cse0 (* 2 v_y_373))) (let ((.cse2 (+ .cse0 v_z_373))) (or (< 0 (+ (* 2 v_y_371) .cse0 v_z_373 1)) (< |c_ULTIMATE.start_main_~r~0#1| (+ (div .cse1 2) (* v_y_373 |c_ULTIMATE.start_main_~B~0#1|) (* v_y_371 |c_ULTIMATE.start_main_~B~0#1|))) (< 1 .cse2) (< .cse2 0) (< (+ v_y_371 |c_ULTIMATE.start_main_~q~0#1|) 2147483647))))) (< v_z_373 0) (not (= (mod .cse1 2) 0))))) (forall ((v_y_369 Int)) (or (< (+ v_y_369 |c_ULTIMATE.start_main_~q~0#1|) 2147483648) (forall ((v_z_369 Int)) (let ((.cse3 (* v_z_369 |c_ULTIMATE.start_main_~B~0#1|))) (or (< v_z_369 0) (< 1 v_z_369) (not (= (mod .cse3 2) 0)) (< |c_ULTIMATE.start_main_~r~0#1| (+ (div .cse3 2) (* v_y_369 |c_ULTIMATE.start_main_~B~0#1|)))))))) (forall ((v_y_369 Int)) (or (forall ((v_z_369 Int)) (or (< v_z_369 0) (< 1 v_z_369) (< |c_ULTIMATE.start_main_~r~0#1| (+ (div (* v_z_369 |c_ULTIMATE.start_main_~B~0#1|) 2) (* v_y_369 |c_ULTIMATE.start_main_~B~0#1|) 1)))) (< (+ v_y_369 |c_ULTIMATE.start_main_~q~0#1|) 2147483648))) (forall ((v_y_369 Int)) (or (< (+ v_y_369 |c_ULTIMATE.start_main_~q~0#1|) 2147483648) (forall ((v_z_369 Int)) (let ((.cse4 (* v_z_369 |c_ULTIMATE.start_main_~B~0#1|)) (.cse5 (* v_y_369 |c_ULTIMATE.start_main_~B~0#1|))) (or (< (+ .cse4 (* 2 .cse5)) 0) (< v_z_369 0) (< 1 v_z_369) (< |c_ULTIMATE.start_main_~r~0#1| (+ (div .cse4 2) .cse5))))))) (forall ((v_z_373 Int)) (or (forall ((v_y_373 Int)) (let ((.cse7 (* 2 v_y_373))) (let ((.cse6 (+ .cse7 v_z_373))) (or (< 1 .cse6) (forall ((v_y_371 Int)) (or (< 0 (+ (* 2 v_y_371) .cse7 v_z_373 1)) (< |c_ULTIMATE.start_main_~r~0#1| (+ (div (* v_z_373 |c_ULTIMATE.start_main_~B~0#1|) 2) (* v_y_373 |c_ULTIMATE.start_main_~B~0#1|) 1 (* v_y_371 |c_ULTIMATE.start_main_~B~0#1|))) (< (+ v_y_371 |c_ULTIMATE.start_main_~q~0#1|) 2147483647))) (< .cse6 0))))) (< 1 v_z_373) (= v_z_373 0) (< v_z_373 0))) (forall ((v_z_373 Int)) (or (forall ((v_y_373 Int)) (let ((.cse9 (* 2 v_y_373))) (let ((.cse8 (+ .cse9 v_z_373))) (or (< 1 .cse8) (forall ((v_y_371 Int)) (let ((.cse10 (* v_z_373 |c_ULTIMATE.start_main_~B~0#1|)) (.cse12 (* v_y_371 |c_ULTIMATE.start_main_~B~0#1|)) (.cse11 (* v_y_373 |c_ULTIMATE.start_main_~B~0#1|))) (or (< 0 (+ (* 2 v_y_371) .cse9 v_z_373 1)) (< |c_ULTIMATE.start_main_~r~0#1| (+ (div .cse10 2) .cse11 .cse12)) (< (+ .cse10 (* 2 .cse12) (* 2 .cse11)) 0) (< (+ v_y_371 |c_ULTIMATE.start_main_~q~0#1|) 2147483647)))) (< .cse8 0))))) (< 1 v_z_373) (= v_z_373 0) (< v_z_373 0)))) is different from false [2024-12-02 12:41:52,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1803292923] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:41:52,868 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 12:41:52,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 10] total 28 [2024-12-02 12:41:52,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390815178] [2024-12-02 12:41:52,868 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 12:41:52,869 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-12-02 12:41:52,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:41:52,869 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-12-02 12:41:52,869 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=895, Unknown=1, NotChecked=60, Total=1056 [2024-12-02 12:41:52,869 INFO L87 Difference]: Start difference. First operand 2597 states and 3003 transitions. Second operand has 28 states, 28 states have (on average 7.5) internal successors, (210), 28 states have internal predecessors, (210), 12 states have call successors, (31), 1 states have call predecessors, (31), 2 states have return successors, (31), 13 states have call predecessors, (31), 12 states have call successors, (31) [2024-12-02 12:41:59,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:41:59,575 INFO L93 Difference]: Finished difference Result 3083 states and 3556 transitions. [2024-12-02 12:41:59,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2024-12-02 12:41:59,576 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 7.5) internal successors, (210), 28 states have internal predecessors, (210), 12 states have call successors, (31), 1 states have call predecessors, (31), 2 states have return successors, (31), 13 states have call predecessors, (31), 12 states have call successors, (31) Word has length 278 [2024-12-02 12:41:59,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:41:59,579 INFO L225 Difference]: With dead ends: 3083 [2024-12-02 12:41:59,579 INFO L226 Difference]: Without dead ends: 2638 [2024-12-02 12:41:59,581 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 391 GetRequests, 276 SyntacticMatches, 0 SemanticMatches, 115 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 3872 ImplicationChecksByTransitivity, 8.5s TimeCoverageRelationStatistics Valid=2020, Invalid=11323, Unknown=1, NotChecked=228, Total=13572 [2024-12-02 12:41:59,581 INFO L435 NwaCegarLoop]: 44 mSDtfsCounter, 798 mSDsluCounter, 779 mSDsCounter, 0 mSdLazyCounter, 1999 mSolverCounterSat, 177 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 799 SdHoareTripleChecker+Valid, 823 SdHoareTripleChecker+Invalid, 2176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 177 IncrementalHoareTripleChecker+Valid, 1999 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-12-02 12:41:59,581 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [799 Valid, 823 Invalid, 2176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [177 Valid, 1999 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-12-02 12:41:59,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2638 states. [2024-12-02 12:41:59,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2638 to 1414. [2024-12-02 12:41:59,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1414 states, 1215 states have (on average 1.0740740740740742) internal successors, (1305), 1222 states have internal predecessors, (1305), 155 states have call successors, (155), 37 states have call predecessors, (155), 37 states have return successors, (155), 154 states have call predecessors, (155), 155 states have call successors, (155) [2024-12-02 12:41:59,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1414 states to 1414 states and 1615 transitions. [2024-12-02 12:41:59,996 INFO L78 Accepts]: Start accepts. Automaton has 1414 states and 1615 transitions. Word has length 278 [2024-12-02 12:41:59,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:41:59,997 INFO L471 AbstractCegarLoop]: Abstraction has 1414 states and 1615 transitions. [2024-12-02 12:41:59,997 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 7.5) internal successors, (210), 28 states have internal predecessors, (210), 12 states have call successors, (31), 1 states have call predecessors, (31), 2 states have return successors, (31), 13 states have call predecessors, (31), 12 states have call successors, (31) [2024-12-02 12:41:59,997 INFO L276 IsEmpty]: Start isEmpty. Operand 1414 states and 1615 transitions. [2024-12-02 12:41:59,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2024-12-02 12:41:59,998 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:41:59,998 INFO L218 NwaCegarLoop]: trace histogram [29, 29, 29, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:42:00,004 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (63)] Ended with exit code 0 [2024-12-02 12:42:00,198 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70,63 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:42:00,199 INFO L396 AbstractCegarLoop]: === Iteration 72 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-12-02 12:42:00,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:42:00,199 INFO L85 PathProgramCache]: Analyzing trace with hash 1808630888, now seen corresponding path program 3 times [2024-12-02 12:42:00,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:42:00,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428551869] [2024-12-02 12:42:00,199 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-02 12:42:00,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:42:00,240 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-12-02 12:42:00,240 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 12:42:01,445 INFO L134 CoverageAnalysis]: Checked inductivity of 2018 backedges. 0 proven. 394 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2024-12-02 12:42:01,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:42:01,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428551869] [2024-12-02 12:42:01,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428551869] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:42:01,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [288548041] [2024-12-02 12:42:01,446 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-02 12:42:01,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:42:01,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:42:01,447 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:42:01,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (64)] Waiting until timeout for monitored process [2024-12-02 12:42:01,760 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2024-12-02 12:42:01,761 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 12:42:01,763 INFO L256 TraceCheckSpWp]: Trace formula consists of 450 conjuncts, 55 conjuncts are in the unsatisfiable core [2024-12-02 12:42:01,765 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:42:07,285 INFO L134 CoverageAnalysis]: Checked inductivity of 2018 backedges. 399 proven. 219 refuted. 0 times theorem prover too weak. 1400 trivial. 0 not checked. [2024-12-02 12:42:07,285 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:42:07,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [288548041] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:42:07,736 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 12:42:07,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 29] total 60 [2024-12-02 12:42:07,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538024107] [2024-12-02 12:42:07,736 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 12:42:07,737 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 60 states [2024-12-02 12:42:07,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:42:07,737 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2024-12-02 12:42:07,738 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=364, Invalid=3542, Unknown=0, NotChecked=0, Total=3906 [2024-12-02 12:42:07,738 INFO L87 Difference]: Start difference. First operand 1414 states and 1615 transitions. Second operand has 60 states, 60 states have (on average 4.933333333333334) internal successors, (296), 58 states have internal predecessors, (296), 21 states have call successors, (55), 1 states have call predecessors, (55), 2 states have return successors, (55), 22 states have call predecessors, (55), 21 states have call successors, (55) [2024-12-02 12:42:23,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:42:23,870 INFO L93 Difference]: Finished difference Result 1892 states and 2170 transitions. [2024-12-02 12:42:23,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2024-12-02 12:42:23,870 INFO L78 Accepts]: Start accepts. Automaton has has 60 states, 60 states have (on average 4.933333333333334) internal successors, (296), 58 states have internal predecessors, (296), 21 states have call successors, (55), 1 states have call predecessors, (55), 2 states have return successors, (55), 22 states have call predecessors, (55), 21 states have call successors, (55) Word has length 293 [2024-12-02 12:42:23,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:42:23,872 INFO L225 Difference]: With dead ends: 1892 [2024-12-02 12:42:23,872 INFO L226 Difference]: Without dead ends: 1885 [2024-12-02 12:42:23,875 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 455 GetRequests, 277 SyntacticMatches, 0 SemanticMatches, 178 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10393 ImplicationChecksByTransitivity, 10.5s TimeCoverageRelationStatistics Valid=2734, Invalid=29486, Unknown=0, NotChecked=0, Total=32220 [2024-12-02 12:42:23,875 INFO L435 NwaCegarLoop]: 65 mSDtfsCounter, 447 mSDsluCounter, 1472 mSDsCounter, 0 mSdLazyCounter, 7390 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 448 SdHoareTripleChecker+Valid, 1537 SdHoareTripleChecker+Invalid, 7508 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 7390 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2024-12-02 12:42:23,875 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [448 Valid, 1537 Invalid, 7508 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 7390 Invalid, 0 Unknown, 0 Unchecked, 7.7s Time] [2024-12-02 12:42:23,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1885 states. [2024-12-02 12:42:24,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1885 to 1829. [2024-12-02 12:42:24,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1829 states, 1586 states have (on average 1.0775535939470366) internal successors, (1709), 1593 states have internal predecessors, (1709), 195 states have call successors, (195), 41 states have call predecessors, (195), 41 states have return successors, (195), 194 states have call predecessors, (195), 195 states have call successors, (195) [2024-12-02 12:42:24,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1829 states to 1829 states and 2099 transitions. [2024-12-02 12:42:24,496 INFO L78 Accepts]: Start accepts. Automaton has 1829 states and 2099 transitions. Word has length 293 [2024-12-02 12:42:24,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:42:24,496 INFO L471 AbstractCegarLoop]: Abstraction has 1829 states and 2099 transitions. [2024-12-02 12:42:24,496 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 60 states, 60 states have (on average 4.933333333333334) internal successors, (296), 58 states have internal predecessors, (296), 21 states have call successors, (55), 1 states have call predecessors, (55), 2 states have return successors, (55), 22 states have call predecessors, (55), 21 states have call successors, (55) [2024-12-02 12:42:24,496 INFO L276 IsEmpty]: Start isEmpty. Operand 1829 states and 2099 transitions. [2024-12-02 12:42:24,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2024-12-02 12:42:24,498 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:42:24,498 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:42:24,501 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (64)] Ended with exit code 0 [2024-12-02 12:42:24,698 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71,64 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:42:24,698 INFO L396 AbstractCegarLoop]: === Iteration 73 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-12-02 12:42:24,698 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:42:24,698 INFO L85 PathProgramCache]: Analyzing trace with hash -767672361, now seen corresponding path program 1 times [2024-12-02 12:42:24,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:42:24,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46515969] [2024-12-02 12:42:24,699 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:42:24,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:42:24,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:42:25,585 INFO L134 CoverageAnalysis]: Checked inductivity of 2472 backedges. 0 proven. 488 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-12-02 12:42:25,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:42:25,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46515969] [2024-12-02 12:42:25,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [46515969] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:42:25,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1869683270] [2024-12-02 12:42:25,586 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:42:25,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:42:25,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:42:25,587 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:42:25,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (65)] Waiting until timeout for monitored process [2024-12-02 12:42:25,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:42:25,690 INFO L256 TraceCheckSpWp]: Trace formula consists of 584 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-02 12:42:25,692 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:42:26,229 INFO L134 CoverageAnalysis]: Checked inductivity of 2472 backedges. 0 proven. 2360 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-12-02 12:42:26,229 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:42:27,584 INFO L134 CoverageAnalysis]: Checked inductivity of 2472 backedges. 0 proven. 488 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-12-02 12:42:27,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1869683270] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 12:42:27,584 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 12:42:27,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 27, 28] total 57 [2024-12-02 12:42:27,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145318138] [2024-12-02 12:42:27,584 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 12:42:27,585 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2024-12-02 12:42:27,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:42:27,586 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2024-12-02 12:42:27,586 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=685, Invalid=2507, Unknown=0, NotChecked=0, Total=3192 [2024-12-02 12:42:27,587 INFO L87 Difference]: Start difference. First operand 1829 states and 2099 transitions. Second operand has 57 states, 57 states have (on average 6.368421052631579) internal successors, (363), 57 states have internal predecessors, (363), 24 states have call successors, (96), 13 states have call predecessors, (96), 13 states have return successors, (96), 24 states have call predecessors, (96), 24 states have call successors, (96) [2024-12-02 12:42:30,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:42:30,959 INFO L93 Difference]: Finished difference Result 2741 states and 3144 transitions. [2024-12-02 12:42:30,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2024-12-02 12:42:30,959 INFO L78 Accepts]: Start accepts. Automaton has has 57 states, 57 states have (on average 6.368421052631579) internal successors, (363), 57 states have internal predecessors, (363), 24 states have call successors, (96), 13 states have call predecessors, (96), 13 states have return successors, (96), 24 states have call predecessors, (96), 24 states have call successors, (96) Word has length 320 [2024-12-02 12:42:30,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:42:30,962 INFO L225 Difference]: With dead ends: 2741 [2024-12-02 12:42:30,962 INFO L226 Difference]: Without dead ends: 2495 [2024-12-02 12:42:30,964 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 729 GetRequests, 612 SyntacticMatches, 0 SemanticMatches, 117 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3856 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=3031, Invalid=11011, Unknown=0, NotChecked=0, Total=14042 [2024-12-02 12:42:30,964 INFO L435 NwaCegarLoop]: 52 mSDtfsCounter, 585 mSDsluCounter, 879 mSDsCounter, 0 mSdLazyCounter, 450 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 585 SdHoareTripleChecker+Valid, 931 SdHoareTripleChecker+Invalid, 524 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 450 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 12:42:30,964 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [585 Valid, 931 Invalid, 524 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 450 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 12:42:30,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2495 states. [2024-12-02 12:42:31,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2495 to 2201. [2024-12-02 12:42:31,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2201 states, 1912 states have (on average 1.0685146443514644) internal successors, (2043), 1921 states have internal predecessors, (2043), 231 states have call successors, (231), 51 states have call predecessors, (231), 51 states have return successors, (231), 228 states have call predecessors, (231), 231 states have call successors, (231) [2024-12-02 12:42:31,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2201 states to 2201 states and 2505 transitions. [2024-12-02 12:42:31,823 INFO L78 Accepts]: Start accepts. Automaton has 2201 states and 2505 transitions. Word has length 320 [2024-12-02 12:42:31,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:42:31,823 INFO L471 AbstractCegarLoop]: Abstraction has 2201 states and 2505 transitions. [2024-12-02 12:42:31,823 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 57 states have (on average 6.368421052631579) internal successors, (363), 57 states have internal predecessors, (363), 24 states have call successors, (96), 13 states have call predecessors, (96), 13 states have return successors, (96), 24 states have call predecessors, (96), 24 states have call successors, (96) [2024-12-02 12:42:31,823 INFO L276 IsEmpty]: Start isEmpty. Operand 2201 states and 2505 transitions. [2024-12-02 12:42:31,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 373 [2024-12-02 12:42:31,825 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:42:31,826 INFO L218 NwaCegarLoop]: trace histogram [37, 37, 37, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:42:31,831 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (65)] Ended with exit code 0 [2024-12-02 12:42:32,026 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 65 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable72 [2024-12-02 12:42:32,026 INFO L396 AbstractCegarLoop]: === Iteration 74 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-12-02 12:42:32,026 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:42:32,026 INFO L85 PathProgramCache]: Analyzing trace with hash 1463938800, now seen corresponding path program 2 times [2024-12-02 12:42:32,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:42:32,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550031265] [2024-12-02 12:42:32,026 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 12:42:32,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:42:32,045 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-02 12:42:32,045 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 12:42:33,150 INFO L134 CoverageAnalysis]: Checked inductivity of 3336 backedges. 0 proven. 672 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2024-12-02 12:42:33,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:42:33,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550031265] [2024-12-02 12:42:33,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1550031265] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:42:33,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2141353919] [2024-12-02 12:42:33,150 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 12:42:33,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:42:33,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:42:33,152 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:42:33,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (66)] Waiting until timeout for monitored process [2024-12-02 12:42:33,267 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-02 12:42:33,267 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 12:42:33,269 INFO L256 TraceCheckSpWp]: Trace formula consists of 670 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-12-02 12:42:33,271 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:42:33,920 INFO L134 CoverageAnalysis]: Checked inductivity of 3336 backedges. 0 proven. 3208 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2024-12-02 12:42:33,920 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:42:35,763 INFO L134 CoverageAnalysis]: Checked inductivity of 3336 backedges. 0 proven. 672 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2024-12-02 12:42:35,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2141353919] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 12:42:35,764 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 12:42:35,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 31, 32] total 67 [2024-12-02 12:42:35,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520916522] [2024-12-02 12:42:35,764 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 12:42:35,765 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 67 states [2024-12-02 12:42:35,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:42:35,766 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2024-12-02 12:42:35,767 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=938, Invalid=3484, Unknown=0, NotChecked=0, Total=4422 [2024-12-02 12:42:35,767 INFO L87 Difference]: Start difference. First operand 2201 states and 2505 transitions. Second operand has 67 states, 67 states have (on average 6.373134328358209) internal successors, (427), 67 states have internal predecessors, (427), 28 states have call successors, (111), 15 states have call predecessors, (111), 15 states have return successors, (111), 28 states have call predecessors, (111), 28 states have call successors, (111) [2024-12-02 12:42:40,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:42:40,061 INFO L93 Difference]: Finished difference Result 3241 states and 3701 transitions. [2024-12-02 12:42:40,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2024-12-02 12:42:40,061 INFO L78 Accepts]: Start accepts. Automaton has has 67 states, 67 states have (on average 6.373134328358209) internal successors, (427), 67 states have internal predecessors, (427), 28 states have call successors, (111), 15 states have call predecessors, (111), 15 states have return successors, (111), 28 states have call predecessors, (111), 28 states have call successors, (111) Word has length 372 [2024-12-02 12:42:40,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:42:40,064 INFO L225 Difference]: With dead ends: 3241 [2024-12-02 12:42:40,064 INFO L226 Difference]: Without dead ends: 2995 [2024-12-02 12:42:40,065 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 848 GetRequests, 712 SyntacticMatches, 0 SemanticMatches, 136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5550 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=4011, Invalid=14895, Unknown=0, NotChecked=0, Total=18906 [2024-12-02 12:42:40,066 INFO L435 NwaCegarLoop]: 52 mSDtfsCounter, 684 mSDsluCounter, 888 mSDsCounter, 0 mSdLazyCounter, 492 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 684 SdHoareTripleChecker+Valid, 940 SdHoareTripleChecker+Invalid, 565 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 492 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 12:42:40,066 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [684 Valid, 940 Invalid, 565 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 492 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 12:42:40,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2995 states. [2024-12-02 12:42:41,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2995 to 2777. [2024-12-02 12:42:41,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2777 states, 2418 states have (on average 1.0612076095947063) internal successors, (2566), 2431 states have internal predecessors, (2566), 287 states have call successors, (287), 65 states have call predecessors, (287), 65 states have return successors, (287), 280 states have call predecessors, (287), 287 states have call successors, (287) [2024-12-02 12:42:41,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2777 states to 2777 states and 3140 transitions. [2024-12-02 12:42:41,212 INFO L78 Accepts]: Start accepts. Automaton has 2777 states and 3140 transitions. Word has length 372 [2024-12-02 12:42:41,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:42:41,213 INFO L471 AbstractCegarLoop]: Abstraction has 2777 states and 3140 transitions. [2024-12-02 12:42:41,213 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 67 states, 67 states have (on average 6.373134328358209) internal successors, (427), 67 states have internal predecessors, (427), 28 states have call successors, (111), 15 states have call predecessors, (111), 15 states have return successors, (111), 28 states have call predecessors, (111), 28 states have call successors, (111) [2024-12-02 12:42:41,213 INFO L276 IsEmpty]: Start isEmpty. Operand 2777 states and 3140 transitions. [2024-12-02 12:42:41,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 422 [2024-12-02 12:42:41,216 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:42:41,216 INFO L218 NwaCegarLoop]: trace histogram [42, 42, 42, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:42:41,219 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (66)] Ended with exit code 0 [2024-12-02 12:42:41,416 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 66 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable73 [2024-12-02 12:42:41,416 INFO L396 AbstractCegarLoop]: === Iteration 75 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-12-02 12:42:41,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:42:41,417 INFO L85 PathProgramCache]: Analyzing trace with hash 108449674, now seen corresponding path program 2 times [2024-12-02 12:42:41,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:42:41,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129050112] [2024-12-02 12:42:41,417 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 12:42:41,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:42:41,432 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-02 12:42:41,432 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 12:42:41,570 INFO L134 CoverageAnalysis]: Checked inductivity of 4326 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 4233 trivial. 0 not checked. [2024-12-02 12:42:41,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:42:41,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129050112] [2024-12-02 12:42:41,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1129050112] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:42:41,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:42:41,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 12:42:41,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157818031] [2024-12-02 12:42:41,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:42:41,571 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:42:41,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:42:41,571 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:42:41,571 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:42:41,571 INFO L87 Difference]: Start difference. First operand 2777 states and 3140 transitions. Second operand has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-12-02 12:42:42,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:42:42,765 INFO L93 Difference]: Finished difference Result 2777 states and 3140 transitions. [2024-12-02 12:42:42,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 12:42:42,766 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 421 [2024-12-02 12:42:42,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:42:42,768 INFO L225 Difference]: With dead ends: 2777 [2024-12-02 12:42:42,768 INFO L226 Difference]: Without dead ends: 2776 [2024-12-02 12:42:42,769 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-02 12:42:42,769 INFO L435 NwaCegarLoop]: 59 mSDtfsCounter, 17 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:42:42,769 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 192 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:42:42,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2776 states. [2024-12-02 12:42:43,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2776 to 2732. [2024-12-02 12:42:43,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2732 states, 2374 states have (on average 1.056866048862679) internal successors, (2509), 2390 states have internal predecessors, (2509), 287 states have call successors, (287), 65 states have call predecessors, (287), 65 states have return successors, (287), 276 states have call predecessors, (287), 287 states have call successors, (287) [2024-12-02 12:42:43,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2732 states to 2732 states and 3083 transitions. [2024-12-02 12:42:43,915 INFO L78 Accepts]: Start accepts. Automaton has 2732 states and 3083 transitions. Word has length 421 [2024-12-02 12:42:43,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:42:43,915 INFO L471 AbstractCegarLoop]: Abstraction has 2732 states and 3083 transitions. [2024-12-02 12:42:43,915 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-12-02 12:42:43,915 INFO L276 IsEmpty]: Start isEmpty. Operand 2732 states and 3083 transitions. [2024-12-02 12:42:43,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 425 [2024-12-02 12:42:43,918 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:42:43,918 INFO L218 NwaCegarLoop]: trace histogram [42, 42, 42, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:42:43,918 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2024-12-02 12:42:43,918 INFO L396 AbstractCegarLoop]: === Iteration 76 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-12-02 12:42:43,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:42:43,918 INFO L85 PathProgramCache]: Analyzing trace with hash 1008913481, now seen corresponding path program 3 times [2024-12-02 12:42:43,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:42:43,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501368570] [2024-12-02 12:42:43,918 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-02 12:42:43,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:42:44,014 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 18 check-sat command(s) [2024-12-02 12:42:44,014 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 12:42:46,235 INFO L134 CoverageAnalysis]: Checked inductivity of 4332 backedges. 0 proven. 888 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-12-02 12:42:46,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:42:46,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501368570] [2024-12-02 12:42:46,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1501368570] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:42:46,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1028720398] [2024-12-02 12:42:46,236 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-02 12:42:46,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:42:46,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:42:46,237 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:42:46,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (67)] Waiting until timeout for monitored process [2024-12-02 12:42:46,618 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 18 check-sat command(s) [2024-12-02 12:42:46,618 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 12:42:46,621 INFO L256 TraceCheckSpWp]: Trace formula consists of 756 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-12-02 12:42:46,623 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:42:47,727 INFO L134 CoverageAnalysis]: Checked inductivity of 4332 backedges. 0 proven. 4188 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-02 12:42:47,727 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:42:49,952 INFO L134 CoverageAnalysis]: Checked inductivity of 4332 backedges. 0 proven. 888 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-12-02 12:42:49,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1028720398] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 12:42:49,952 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 12:42:49,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 35, 36] total 91 [2024-12-02 12:42:49,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758920727] [2024-12-02 12:42:49,952 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 12:42:49,953 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 91 states [2024-12-02 12:42:49,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:42:49,954 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 91 interpolants. [2024-12-02 12:42:49,954 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1633, Invalid=6557, Unknown=0, NotChecked=0, Total=8190 [2024-12-02 12:42:49,955 INFO L87 Difference]: Start difference. First operand 2732 states and 3083 transitions. Second operand has 91 states, 91 states have (on average 6.032967032967033) internal successors, (549), 91 states have internal predecessors, (549), 35 states have call successors, (124), 17 states have call predecessors, (124), 17 states have return successors, (124), 35 states have call predecessors, (124), 35 states have call successors, (124) [2024-12-02 12:42:55,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:42:55,740 INFO L93 Difference]: Finished difference Result 3844 states and 4340 transitions. [2024-12-02 12:42:55,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2024-12-02 12:42:55,741 INFO L78 Accepts]: Start accepts. Automaton has has 91 states, 91 states have (on average 6.032967032967033) internal successors, (549), 91 states have internal predecessors, (549), 35 states have call successors, (124), 17 states have call predecessors, (124), 17 states have return successors, (124), 35 states have call predecessors, (124), 35 states have call successors, (124) Word has length 424 [2024-12-02 12:42:55,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:42:55,744 INFO L225 Difference]: With dead ends: 3844 [2024-12-02 12:42:55,744 INFO L226 Difference]: Without dead ends: 3621 [2024-12-02 12:42:55,746 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 970 GetRequests, 803 SyntacticMatches, 2 SemanticMatches, 165 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8951 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=5555, Invalid=22167, Unknown=0, NotChecked=0, Total=27722 [2024-12-02 12:42:55,746 INFO L435 NwaCegarLoop]: 51 mSDtfsCounter, 902 mSDsluCounter, 1150 mSDsCounter, 0 mSdLazyCounter, 609 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 902 SdHoareTripleChecker+Valid, 1201 SdHoareTripleChecker+Invalid, 717 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 609 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 12:42:55,746 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [902 Valid, 1201 Invalid, 717 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 609 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 12:42:55,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3621 states. [2024-12-02 12:42:57,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3621 to 3376. [2024-12-02 12:42:57,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3376 states, 2943 states have (on average 1.053007135575943) internal successors, (3099), 2961 states have internal predecessors, (3099), 347 states have call successors, (347), 80 states have call predecessors, (347), 80 states have return successors, (347), 334 states have call predecessors, (347), 347 states have call successors, (347) [2024-12-02 12:42:57,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3376 states to 3376 states and 3793 transitions. [2024-12-02 12:42:57,274 INFO L78 Accepts]: Start accepts. Automaton has 3376 states and 3793 transitions. Word has length 424 [2024-12-02 12:42:57,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:42:57,274 INFO L471 AbstractCegarLoop]: Abstraction has 3376 states and 3793 transitions. [2024-12-02 12:42:57,274 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 91 states, 91 states have (on average 6.032967032967033) internal successors, (549), 91 states have internal predecessors, (549), 35 states have call successors, (124), 17 states have call predecessors, (124), 17 states have return successors, (124), 35 states have call predecessors, (124), 35 states have call successors, (124) [2024-12-02 12:42:57,274 INFO L276 IsEmpty]: Start isEmpty. Operand 3376 states and 3793 transitions. [2024-12-02 12:42:57,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 477 [2024-12-02 12:42:57,278 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:42:57,278 INFO L218 NwaCegarLoop]: trace histogram [47, 47, 47, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:42:57,281 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (67)] Ended with exit code 0 [2024-12-02 12:42:57,478 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 67 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable75 [2024-12-02 12:42:57,478 INFO L396 AbstractCegarLoop]: === Iteration 77 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-12-02 12:42:57,478 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:42:57,479 INFO L85 PathProgramCache]: Analyzing trace with hash -1715419166, now seen corresponding path program 4 times [2024-12-02 12:42:57,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:42:57,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864146283] [2024-12-02 12:42:57,479 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-02 12:42:57,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:42:57,500 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-02 12:42:57,501 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 12:43:00,284 INFO L134 CoverageAnalysis]: Checked inductivity of 5460 backedges. 0 proven. 1136 refuted. 0 times theorem prover too weak. 4324 trivial. 0 not checked. [2024-12-02 12:43:00,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:43:00,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864146283] [2024-12-02 12:43:00,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864146283] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:43:00,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1391882693] [2024-12-02 12:43:00,284 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-02 12:43:00,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:43:00,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:43:00,286 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:43:00,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (68)] Waiting until timeout for monitored process [2024-12-02 12:43:00,415 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-02 12:43:00,415 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 12:43:00,418 INFO L256 TraceCheckSpWp]: Trace formula consists of 842 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-12-02 12:43:00,420 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:43:01,241 INFO L134 CoverageAnalysis]: Checked inductivity of 5460 backedges. 0 proven. 5300 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2024-12-02 12:43:01,241 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:43:04,018 INFO L134 CoverageAnalysis]: Checked inductivity of 5460 backedges. 0 proven. 1136 refuted. 0 times theorem prover too weak. 4324 trivial. 0 not checked. [2024-12-02 12:43:04,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1391882693] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 12:43:04,018 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 12:43:04,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [58, 39, 40] total 98 [2024-12-02 12:43:04,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042194989] [2024-12-02 12:43:04,019 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 12:43:04,020 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 98 states [2024-12-02 12:43:04,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:43:04,022 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 98 interpolants. [2024-12-02 12:43:04,023 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2175, Invalid=7331, Unknown=0, NotChecked=0, Total=9506 [2024-12-02 12:43:04,023 INFO L87 Difference]: Start difference. First operand 3376 states and 3793 transitions. Second operand has 98 states, 98 states have (on average 5.887755102040816) internal successors, (577), 98 states have internal predecessors, (577), 36 states have call successors, (141), 19 states have call predecessors, (141), 19 states have return successors, (141), 36 states have call predecessors, (141), 36 states have call successors, (141) [2024-12-02 12:43:10,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:43:10,492 INFO L93 Difference]: Finished difference Result 4482 states and 5032 transitions. [2024-12-02 12:43:10,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2024-12-02 12:43:10,493 INFO L78 Accepts]: Start accepts. Automaton has has 98 states, 98 states have (on average 5.887755102040816) internal successors, (577), 98 states have internal predecessors, (577), 36 states have call successors, (141), 19 states have call predecessors, (141), 19 states have return successors, (141), 36 states have call predecessors, (141), 36 states have call successors, (141) Word has length 476 [2024-12-02 12:43:10,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:43:10,497 INFO L225 Difference]: With dead ends: 4482 [2024-12-02 12:43:10,497 INFO L226 Difference]: Without dead ends: 4259 [2024-12-02 12:43:10,499 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1083 GetRequests, 912 SyntacticMatches, 0 SemanticMatches, 171 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9810 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=6239, Invalid=23517, Unknown=0, NotChecked=0, Total=29756 [2024-12-02 12:43:10,499 INFO L435 NwaCegarLoop]: 51 mSDtfsCounter, 785 mSDsluCounter, 956 mSDsCounter, 0 mSdLazyCounter, 605 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 785 SdHoareTripleChecker+Valid, 1007 SdHoareTripleChecker+Invalid, 709 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 605 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 12:43:10,499 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [785 Valid, 1007 Invalid, 709 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 605 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 12:43:10,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4259 states. [2024-12-02 12:43:12,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4259 to 4046. [2024-12-02 12:43:12,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4046 states, 3533 states have (on average 1.0484007925275969) internal successors, (3704), 3552 states have internal predecessors, (3704), 407 states have call successors, (407), 100 states have call predecessors, (407), 100 states have return successors, (407), 393 states have call predecessors, (407), 407 states have call successors, (407) [2024-12-02 12:43:12,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4046 states to 4046 states and 4518 transitions. [2024-12-02 12:43:12,473 INFO L78 Accepts]: Start accepts. Automaton has 4046 states and 4518 transitions. Word has length 476 [2024-12-02 12:43:12,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:43:12,473 INFO L471 AbstractCegarLoop]: Abstraction has 4046 states and 4518 transitions. [2024-12-02 12:43:12,474 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 98 states, 98 states have (on average 5.887755102040816) internal successors, (577), 98 states have internal predecessors, (577), 36 states have call successors, (141), 19 states have call predecessors, (141), 19 states have return successors, (141), 36 states have call predecessors, (141), 36 states have call successors, (141) [2024-12-02 12:43:12,474 INFO L276 IsEmpty]: Start isEmpty. Operand 4046 states and 4518 transitions. [2024-12-02 12:43:12,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 497 [2024-12-02 12:43:12,482 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:43:12,482 INFO L218 NwaCegarLoop]: trace histogram [57, 57, 57, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 18, 1, 1, 1] [2024-12-02 12:43:12,488 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (68)] Ended with exit code 0 [2024-12-02 12:43:12,682 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76,68 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:43:12,682 INFO L396 AbstractCegarLoop]: === Iteration 78 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-12-02 12:43:12,683 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:43:12,683 INFO L85 PathProgramCache]: Analyzing trace with hash -2120648055, now seen corresponding path program 3 times [2024-12-02 12:43:12,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:43:12,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516012767] [2024-12-02 12:43:12,683 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-02 12:43:12,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:43:12,731 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 28 check-sat command(s) [2024-12-02 12:43:12,731 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 12:43:13,436 INFO L134 CoverageAnalysis]: Checked inductivity of 8778 backedges. 0 proven. 2394 refuted. 0 times theorem prover too weak. 6384 trivial. 0 not checked. [2024-12-02 12:43:13,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:43:13,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516012767] [2024-12-02 12:43:13,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516012767] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:43:13,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [544517723] [2024-12-02 12:43:13,436 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-02 12:43:13,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:43:13,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:43:13,438 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:43:13,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (69)] Waiting until timeout for monitored process [2024-12-02 12:43:13,502 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-12-02 12:43:13,502 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 12:43:13,503 INFO L256 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-02 12:43:13,507 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:43:14,099 INFO L134 CoverageAnalysis]: Checked inductivity of 8778 backedges. 168 proven. 90 refuted. 0 times theorem prover too weak. 8520 trivial. 0 not checked. [2024-12-02 12:43:14,099 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:43:14,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [544517723] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:43:14,236 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 12:43:14,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 6] total 25 [2024-12-02 12:43:14,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722694819] [2024-12-02 12:43:14,236 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 12:43:14,237 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-12-02 12:43:14,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:43:14,238 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-12-02 12:43:14,238 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=265, Invalid=491, Unknown=0, NotChecked=0, Total=756 [2024-12-02 12:43:14,238 INFO L87 Difference]: Start difference. First operand 4046 states and 4518 transitions. Second operand has 26 states, 25 states have (on average 9.36) internal successors, (234), 26 states have internal predecessors, (234), 20 states have call successors, (60), 1 states have call predecessors, (60), 2 states have return successors, (61), 21 states have call predecessors, (61), 20 states have call successors, (61) [2024-12-02 12:43:20,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:43:20,608 INFO L93 Difference]: Finished difference Result 7130 states and 8031 transitions. [2024-12-02 12:43:20,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-12-02 12:43:20,609 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 9.36) internal successors, (234), 26 states have internal predecessors, (234), 20 states have call successors, (60), 1 states have call predecessors, (60), 2 states have return successors, (61), 21 states have call predecessors, (61), 20 states have call successors, (61) Word has length 496 [2024-12-02 12:43:20,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:43:20,615 INFO L225 Difference]: With dead ends: 7130 [2024-12-02 12:43:20,615 INFO L226 Difference]: Without dead ends: 7129 [2024-12-02 12:43:20,616 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 563 GetRequests, 495 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1105 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1525, Invalid=3305, Unknown=0, NotChecked=0, Total=4830 [2024-12-02 12:43:20,617 INFO L435 NwaCegarLoop]: 54 mSDtfsCounter, 2364 mSDsluCounter, 514 mSDsCounter, 0 mSdLazyCounter, 808 mSolverCounterSat, 358 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2366 SdHoareTripleChecker+Valid, 568 SdHoareTripleChecker+Invalid, 1166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 358 IncrementalHoareTripleChecker+Valid, 808 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-12-02 12:43:20,617 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2366 Valid, 568 Invalid, 1166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [358 Valid, 808 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-12-02 12:43:20,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7129 states. [2024-12-02 12:43:22,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7129 to 4045. [2024-12-02 12:43:22,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4045 states, 3533 states have (on average 1.0472686102462496) internal successors, (3700), 3551 states have internal predecessors, (3700), 407 states have call successors, (407), 100 states have call predecessors, (407), 100 states have return successors, (407), 393 states have call predecessors, (407), 407 states have call successors, (407) [2024-12-02 12:43:22,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4045 states to 4045 states and 4514 transitions. [2024-12-02 12:43:22,603 INFO L78 Accepts]: Start accepts. Automaton has 4045 states and 4514 transitions. Word has length 496 [2024-12-02 12:43:22,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:43:22,603 INFO L471 AbstractCegarLoop]: Abstraction has 4045 states and 4514 transitions. [2024-12-02 12:43:22,603 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 9.36) internal successors, (234), 26 states have internal predecessors, (234), 20 states have call successors, (60), 1 states have call predecessors, (60), 2 states have return successors, (61), 21 states have call predecessors, (61), 20 states have call successors, (61) [2024-12-02 12:43:22,603 INFO L276 IsEmpty]: Start isEmpty. Operand 4045 states and 4514 transitions. [2024-12-02 12:43:22,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 529 [2024-12-02 12:43:22,608 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:43:22,608 INFO L218 NwaCegarLoop]: trace histogram [52, 52, 52, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:43:22,613 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (69)] Ended with exit code 0 [2024-12-02 12:43:22,808 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77,69 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:43:22,808 INFO L396 AbstractCegarLoop]: === Iteration 79 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-12-02 12:43:22,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:43:22,808 INFO L85 PathProgramCache]: Analyzing trace with hash -1043344965, now seen corresponding path program 5 times [2024-12-02 12:43:22,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:43:22,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537639879] [2024-12-02 12:43:22,809 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-02 12:43:22,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:43:22,904 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 20 check-sat command(s) [2024-12-02 12:43:22,904 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 12:43:24,996 INFO L134 CoverageAnalysis]: Checked inductivity of 6720 backedges. 0 proven. 1416 refuted. 0 times theorem prover too weak. 5304 trivial. 0 not checked. [2024-12-02 12:43:24,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:43:24,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537639879] [2024-12-02 12:43:24,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537639879] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:43:24,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [569237512] [2024-12-02 12:43:24,997 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-02 12:43:24,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:43:24,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:43:24,998 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:43:25,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (70)] Waiting until timeout for monitored process [2024-12-02 12:43:25,485 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 20 check-sat command(s) [2024-12-02 12:43:25,485 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 12:43:25,488 INFO L256 TraceCheckSpWp]: Trace formula consists of 928 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-12-02 12:43:25,492 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:43:26,366 INFO L134 CoverageAnalysis]: Checked inductivity of 6720 backedges. 0 proven. 6544 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2024-12-02 12:43:26,367 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:43:29,305 INFO L134 CoverageAnalysis]: Checked inductivity of 6720 backedges. 0 proven. 1416 refuted. 0 times theorem prover too weak. 5304 trivial. 0 not checked. [2024-12-02 12:43:29,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [569237512] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 12:43:29,305 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 12:43:29,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 43, 44] total 88 [2024-12-02 12:43:29,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762573358] [2024-12-02 12:43:29,305 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 12:43:29,306 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 88 states [2024-12-02 12:43:29,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:43:29,307 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2024-12-02 12:43:29,308 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1576, Invalid=6080, Unknown=0, NotChecked=0, Total=7656 [2024-12-02 12:43:29,308 INFO L87 Difference]: Start difference. First operand 4045 states and 4514 transitions. Second operand has 88 states, 88 states have (on average 6.829545454545454) internal successors, (601), 88 states have internal predecessors, (601), 40 states have call successors, (156), 21 states have call predecessors, (156), 21 states have return successors, (156), 40 states have call predecessors, (156), 40 states have call successors, (156) [2024-12-02 12:43:38,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:43:38,038 INFO L93 Difference]: Finished difference Result 5735 states and 6449 transitions. [2024-12-02 12:43:38,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2024-12-02 12:43:38,039 INFO L78 Accepts]: Start accepts. Automaton has has 88 states, 88 states have (on average 6.829545454545454) internal successors, (601), 88 states have internal predecessors, (601), 40 states have call successors, (156), 21 states have call predecessors, (156), 21 states have return successors, (156), 40 states have call predecessors, (156), 40 states have call successors, (156) Word has length 528 [2024-12-02 12:43:38,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:43:38,044 INFO L225 Difference]: With dead ends: 5735 [2024-12-02 12:43:38,044 INFO L226 Difference]: Without dead ends: 5511 [2024-12-02 12:43:38,047 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1201 GetRequests, 1014 SyntacticMatches, 0 SemanticMatches, 187 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9994 ImplicationChecksByTransitivity, 7.7s TimeCoverageRelationStatistics Valid=7651, Invalid=27881, Unknown=0, NotChecked=0, Total=35532 [2024-12-02 12:43:38,047 INFO L435 NwaCegarLoop]: 50 mSDtfsCounter, 1082 mSDsluCounter, 1416 mSDsCounter, 0 mSdLazyCounter, 704 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1082 SdHoareTripleChecker+Valid, 1466 SdHoareTripleChecker+Invalid, 801 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 704 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:43:38,047 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1082 Valid, 1466 Invalid, 801 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 704 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-12-02 12:43:38,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5511 states. [2024-12-02 12:43:40,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5511 to 5205. [2024-12-02 12:43:40,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5205 states, 4560 states have (on average 1.050219298245614) internal successors, (4789), 4579 states have internal predecessors, (4789), 517 states have call successors, (517), 123 states have call predecessors, (517), 123 states have return successors, (517), 502 states have call predecessors, (517), 517 states have call successors, (517) [2024-12-02 12:43:40,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5205 states to 5205 states and 5823 transitions. [2024-12-02 12:43:40,725 INFO L78 Accepts]: Start accepts. Automaton has 5205 states and 5823 transitions. Word has length 528 [2024-12-02 12:43:40,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:43:40,726 INFO L471 AbstractCegarLoop]: Abstraction has 5205 states and 5823 transitions. [2024-12-02 12:43:40,726 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 88 states, 88 states have (on average 6.829545454545454) internal successors, (601), 88 states have internal predecessors, (601), 40 states have call successors, (156), 21 states have call predecessors, (156), 21 states have return successors, (156), 40 states have call predecessors, (156), 40 states have call successors, (156) [2024-12-02 12:43:40,726 INFO L276 IsEmpty]: Start isEmpty. Operand 5205 states and 5823 transitions. [2024-12-02 12:43:40,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 581 [2024-12-02 12:43:40,731 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:43:40,731 INFO L218 NwaCegarLoop]: trace histogram [57, 57, 57, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:43:40,738 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (70)] Ended with exit code 0 [2024-12-02 12:43:40,932 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 70 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable78 [2024-12-02 12:43:40,932 INFO L396 AbstractCegarLoop]: === Iteration 80 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-12-02 12:43:40,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:43:40,932 INFO L85 PathProgramCache]: Analyzing trace with hash -304621100, now seen corresponding path program 6 times [2024-12-02 12:43:40,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:43:40,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589704716] [2024-12-02 12:43:40,932 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-02 12:43:40,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:43:41,044 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 23 check-sat command(s) [2024-12-02 12:43:41,044 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 12:43:44,644 INFO L134 CoverageAnalysis]: Checked inductivity of 8112 backedges. 0 proven. 1728 refuted. 0 times theorem prover too weak. 6384 trivial. 0 not checked. [2024-12-02 12:43:44,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:43:44,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589704716] [2024-12-02 12:43:44,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589704716] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:43:44,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1087932996] [2024-12-02 12:43:44,644 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-02 12:43:44,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:43:44,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:43:44,646 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:43:44,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (71)] Waiting until timeout for monitored process [2024-12-02 12:43:45,235 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 23 check-sat command(s) [2024-12-02 12:43:45,236 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 12:43:45,239 INFO L256 TraceCheckSpWp]: Trace formula consists of 1014 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-12-02 12:43:45,243 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:43:46,751 INFO L134 CoverageAnalysis]: Checked inductivity of 8112 backedges. 0 proven. 7920 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2024-12-02 12:43:46,751 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:43:50,753 INFO L134 CoverageAnalysis]: Checked inductivity of 8112 backedges. 0 proven. 1728 refuted. 0 times theorem prover too weak. 6384 trivial. 0 not checked. [2024-12-02 12:43:50,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1087932996] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 12:43:50,753 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 12:43:50,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [58, 47, 48] total 113 [2024-12-02 12:43:50,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350651492] [2024-12-02 12:43:50,753 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 12:43:50,754 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 113 states [2024-12-02 12:43:50,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:43:50,755 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 113 interpolants. [2024-12-02 12:43:50,756 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2431, Invalid=10225, Unknown=0, NotChecked=0, Total=12656 [2024-12-02 12:43:50,756 INFO L87 Difference]: Start difference. First operand 5205 states and 5823 transitions. Second operand has 113 states, 113 states have (on average 6.415929203539823) internal successors, (725), 113 states have internal predecessors, (725), 47 states have call successors, (169), 23 states have call predecessors, (169), 23 states have return successors, (169), 47 states have call predecessors, (169), 47 states have call successors, (169) [2024-12-02 12:44:02,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:44:02,183 INFO L93 Difference]: Finished difference Result 6869 states and 7731 transitions. [2024-12-02 12:44:02,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2024-12-02 12:44:02,184 INFO L78 Accepts]: Start accepts. Automaton has has 113 states, 113 states have (on average 6.415929203539823) internal successors, (725), 113 states have internal predecessors, (725), 47 states have call successors, (169), 23 states have call predecessors, (169), 23 states have return successors, (169), 47 states have call predecessors, (169), 47 states have call successors, (169) Word has length 580 [2024-12-02 12:44:02,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:44:02,190 INFO L225 Difference]: With dead ends: 6869 [2024-12-02 12:44:02,190 INFO L226 Difference]: Without dead ends: 6645 [2024-12-02 12:44:02,194 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1323 GetRequests, 1103 SyntacticMatches, 2 SemanticMatches, 218 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15022 ImplicationChecksByTransitivity, 11.4s TimeCoverageRelationStatistics Valid=9701, Invalid=38479, Unknown=0, NotChecked=0, Total=48180 [2024-12-02 12:44:02,194 INFO L435 NwaCegarLoop]: 50 mSDtfsCounter, 1194 mSDsluCounter, 1487 mSDsCounter, 0 mSdLazyCounter, 802 mSolverCounterSat, 219 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1194 SdHoareTripleChecker+Valid, 1537 SdHoareTripleChecker+Invalid, 1021 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 219 IncrementalHoareTripleChecker+Valid, 802 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-12-02 12:44:02,194 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1194 Valid, 1537 Invalid, 1021 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [219 Valid, 802 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-12-02 12:44:02,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6645 states. [2024-12-02 12:44:05,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6645 to 6521. [2024-12-02 12:44:05,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6521 states, 5721 states have (on average 1.0517392064324418) internal successors, (6017), 5744 states have internal predecessors, (6017), 643 states have call successors, (643), 152 states have call predecessors, (643), 152 states have return successors, (643), 624 states have call predecessors, (643), 643 states have call successors, (643) [2024-12-02 12:44:05,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6521 states to 6521 states and 7303 transitions. [2024-12-02 12:44:05,654 INFO L78 Accepts]: Start accepts. Automaton has 6521 states and 7303 transitions. Word has length 580 [2024-12-02 12:44:05,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:44:05,654 INFO L471 AbstractCegarLoop]: Abstraction has 6521 states and 7303 transitions. [2024-12-02 12:44:05,654 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 113 states, 113 states have (on average 6.415929203539823) internal successors, (725), 113 states have internal predecessors, (725), 47 states have call successors, (169), 23 states have call predecessors, (169), 23 states have return successors, (169), 47 states have call predecessors, (169), 47 states have call successors, (169) [2024-12-02 12:44:05,655 INFO L276 IsEmpty]: Start isEmpty. Operand 6521 states and 7303 transitions. [2024-12-02 12:44:05,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 599 [2024-12-02 12:44:05,661 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:44:05,661 INFO L218 NwaCegarLoop]: trace histogram [69, 69, 69, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 22, 22, 22, 1, 1, 1] [2024-12-02 12:44:05,665 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (71)] Ended with exit code 0 [2024-12-02 12:44:05,861 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 71 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable79 [2024-12-02 12:44:05,861 INFO L396 AbstractCegarLoop]: === Iteration 81 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-12-02 12:44:05,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:44:05,862 INFO L85 PathProgramCache]: Analyzing trace with hash 459547067, now seen corresponding path program 4 times [2024-12-02 12:44:05,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:44:05,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141730182] [2024-12-02 12:44:05,862 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-02 12:44:05,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:44:05,884 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-02 12:44:05,884 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 12:44:06,894 INFO L134 CoverageAnalysis]: Checked inductivity of 12882 backedges. 0 proven. 3498 refuted. 0 times theorem prover too weak. 9384 trivial. 0 not checked. [2024-12-02 12:44:06,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:44:06,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141730182] [2024-12-02 12:44:06,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1141730182] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:44:06,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1408710033] [2024-12-02 12:44:06,894 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-02 12:44:06,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:44:06,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:44:06,895 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:44:06,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (72)] Waiting until timeout for monitored process [2024-12-02 12:44:07,022 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-02 12:44:07,022 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 12:44:07,025 INFO L256 TraceCheckSpWp]: Trace formula consists of 1080 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-12-02 12:44:07,029 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:44:07,568 INFO L134 CoverageAnalysis]: Checked inductivity of 12882 backedges. 0 proven. 3498 refuted. 0 times theorem prover too weak. 9384 trivial. 0 not checked. [2024-12-02 12:44:07,568 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:44:08,985 INFO L134 CoverageAnalysis]: Checked inductivity of 12882 backedges. 0 proven. 3498 refuted. 0 times theorem prover too weak. 9384 trivial. 0 not checked. [2024-12-02 12:44:08,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1408710033] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 12:44:08,985 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 12:44:08,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 48 [2024-12-02 12:44:08,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289452259] [2024-12-02 12:44:08,985 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 12:44:08,986 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2024-12-02 12:44:08,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:44:08,986 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2024-12-02 12:44:08,987 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1176, Invalid=1176, Unknown=0, NotChecked=0, Total=2352 [2024-12-02 12:44:08,987 INFO L87 Difference]: Start difference. First operand 6521 states and 7303 transitions. Second operand has 49 states, 48 states have (on average 10.791666666666666) internal successors, (518), 49 states have internal predecessors, (518), 47 states have call successors, (141), 1 states have call predecessors, (141), 1 states have return successors, (141), 47 states have call predecessors, (141), 47 states have call successors, (141) [2024-12-02 12:44:18,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:44:18,272 INFO L93 Difference]: Finished difference Result 12761 states and 14731 transitions. [2024-12-02 12:44:18,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-12-02 12:44:18,273 INFO L78 Accepts]: Start accepts. Automaton has has 49 states, 48 states have (on average 10.791666666666666) internal successors, (518), 49 states have internal predecessors, (518), 47 states have call successors, (141), 1 states have call predecessors, (141), 1 states have return successors, (141), 47 states have call predecessors, (141), 47 states have call successors, (141) Word has length 598 [2024-12-02 12:44:18,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:44:18,285 INFO L225 Difference]: With dead ends: 12761 [2024-12-02 12:44:18,285 INFO L226 Difference]: Without dead ends: 12759 [2024-12-02 12:44:18,287 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1218 GetRequests, 1171 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 748 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=1176, Invalid=1176, Unknown=0, NotChecked=0, Total=2352 [2024-12-02 12:44:18,288 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 2588 mSDsluCounter, 1317 mSDsCounter, 0 mSdLazyCounter, 1045 mSolverCounterSat, 244 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2680 SdHoareTripleChecker+Valid, 1412 SdHoareTripleChecker+Invalid, 1289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 244 IncrementalHoareTripleChecker+Valid, 1045 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-12-02 12:44:18,288 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2680 Valid, 1412 Invalid, 1289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [244 Valid, 1045 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-12-02 12:44:18,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12759 states. [2024-12-02 12:44:21,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12759 to 6121. [2024-12-02 12:44:21,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6121 states, 5359 states have (on average 1.0487031162530323) internal successors, (5620), 5383 states have internal predecessors, (5620), 615 states have call successors, (615), 142 states have call predecessors, (615), 142 states have return successors, (615), 595 states have call predecessors, (615), 615 states have call successors, (615) [2024-12-02 12:44:21,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6121 states to 6121 states and 6850 transitions. [2024-12-02 12:44:21,636 INFO L78 Accepts]: Start accepts. Automaton has 6121 states and 6850 transitions. Word has length 598 [2024-12-02 12:44:21,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:44:21,636 INFO L471 AbstractCegarLoop]: Abstraction has 6121 states and 6850 transitions. [2024-12-02 12:44:21,636 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 48 states have (on average 10.791666666666666) internal successors, (518), 49 states have internal predecessors, (518), 47 states have call successors, (141), 1 states have call predecessors, (141), 1 states have return successors, (141), 47 states have call predecessors, (141), 47 states have call successors, (141) [2024-12-02 12:44:21,636 INFO L276 IsEmpty]: Start isEmpty. Operand 6121 states and 6850 transitions. [2024-12-02 12:44:21,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 633 [2024-12-02 12:44:21,643 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:44:21,643 INFO L218 NwaCegarLoop]: trace histogram [62, 62, 62, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:44:21,649 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (72)] Ended with exit code 0 [2024-12-02 12:44:21,843 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80,72 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:44:21,843 INFO L396 AbstractCegarLoop]: === Iteration 82 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-12-02 12:44:21,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:44:21,843 INFO L85 PathProgramCache]: Analyzing trace with hash 775213101, now seen corresponding path program 7 times [2024-12-02 12:44:21,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:44:21,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570351744] [2024-12-02 12:44:21,844 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-02 12:44:21,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:44:21,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:44:24,835 INFO L134 CoverageAnalysis]: Checked inductivity of 9636 backedges. 0 proven. 2072 refuted. 0 times theorem prover too weak. 7564 trivial. 0 not checked. [2024-12-02 12:44:24,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:44:24,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570351744] [2024-12-02 12:44:24,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [570351744] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:44:24,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [952910019] [2024-12-02 12:44:24,835 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-02 12:44:24,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:44:24,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:44:24,837 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:44:24,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (73)] Waiting until timeout for monitored process [2024-12-02 12:44:24,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:44:24,976 INFO L256 TraceCheckSpWp]: Trace formula consists of 1100 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-12-02 12:44:24,980 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:44:26,062 INFO L134 CoverageAnalysis]: Checked inductivity of 9636 backedges. 0 proven. 9428 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2024-12-02 12:44:26,062 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:44:30,006 INFO L134 CoverageAnalysis]: Checked inductivity of 9636 backedges. 0 proven. 2072 refuted. 0 times theorem prover too weak. 7564 trivial. 0 not checked. [2024-12-02 12:44:30,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [952910019] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 12:44:30,006 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 12:44:30,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 51, 52] total 105 [2024-12-02 12:44:30,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877521593] [2024-12-02 12:44:30,007 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 12:44:30,007 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 105 states [2024-12-02 12:44:30,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:44:30,009 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 105 interpolants. [2024-12-02 12:44:30,009 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2197, Invalid=8723, Unknown=0, NotChecked=0, Total=10920 [2024-12-02 12:44:30,010 INFO L87 Difference]: Start difference. First operand 6121 states and 6850 transitions. Second operand has 105 states, 105 states have (on average 6.885714285714286) internal successors, (723), 105 states have internal predecessors, (723), 48 states have call successors, (186), 25 states have call predecessors, (186), 25 states have return successors, (186), 48 states have call predecessors, (186), 48 states have call successors, (186) [2024-12-02 12:44:42,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:44:42,420 INFO L93 Difference]: Finished difference Result 7894 states and 8852 transitions. [2024-12-02 12:44:42,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 176 states. [2024-12-02 12:44:42,421 INFO L78 Accepts]: Start accepts. Automaton has has 105 states, 105 states have (on average 6.885714285714286) internal successors, (723), 105 states have internal predecessors, (723), 48 states have call successors, (186), 25 states have call predecessors, (186), 25 states have return successors, (186), 48 states have call predecessors, (186), 48 states have call successors, (186) Word has length 632 [2024-12-02 12:44:42,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:44:42,427 INFO L225 Difference]: With dead ends: 7894 [2024-12-02 12:44:42,428 INFO L226 Difference]: Without dead ends: 7671 [2024-12-02 12:44:42,431 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1437 GetRequests, 1212 SyntacticMatches, 0 SemanticMatches, 225 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14515 ImplicationChecksByTransitivity, 10.7s TimeCoverageRelationStatistics Valid=10993, Invalid=40309, Unknown=0, NotChecked=0, Total=51302 [2024-12-02 12:44:42,431 INFO L435 NwaCegarLoop]: 50 mSDtfsCounter, 1201 mSDsluCounter, 1193 mSDsCounter, 0 mSdLazyCounter, 787 mSolverCounterSat, 147 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1201 SdHoareTripleChecker+Valid, 1243 SdHoareTripleChecker+Invalid, 934 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 147 IncrementalHoareTripleChecker+Valid, 787 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-12-02 12:44:42,431 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1201 Valid, 1243 Invalid, 934 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [147 Valid, 787 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-12-02 12:44:42,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7671 states. [2024-12-02 12:44:46,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7671 to 7161. [2024-12-02 12:44:46,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7161 states, 6279 states have (on average 1.0477783086478738) internal successors, (6579), 6305 states have internal predecessors, (6579), 711 states have call successors, (711), 166 states have call predecessors, (711), 166 states have return successors, (711), 689 states have call predecessors, (711), 711 states have call successors, (711) [2024-12-02 12:44:46,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7161 states to 7161 states and 8001 transitions. [2024-12-02 12:44:46,550 INFO L78 Accepts]: Start accepts. Automaton has 7161 states and 8001 transitions. Word has length 632 [2024-12-02 12:44:46,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:44:46,550 INFO L471 AbstractCegarLoop]: Abstraction has 7161 states and 8001 transitions. [2024-12-02 12:44:46,550 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 105 states, 105 states have (on average 6.885714285714286) internal successors, (723), 105 states have internal predecessors, (723), 48 states have call successors, (186), 25 states have call predecessors, (186), 25 states have return successors, (186), 48 states have call predecessors, (186), 48 states have call successors, (186) [2024-12-02 12:44:46,551 INFO L276 IsEmpty]: Start isEmpty. Operand 7161 states and 8001 transitions. [2024-12-02 12:44:46,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 685 [2024-12-02 12:44:46,557 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:44:46,557 INFO L218 NwaCegarLoop]: trace histogram [67, 67, 67, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:44:46,563 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (73)] Ended with exit code 0 [2024-12-02 12:44:46,758 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81,73 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:44:46,758 INFO L396 AbstractCegarLoop]: === Iteration 83 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-12-02 12:44:46,758 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:44:46,758 INFO L85 PathProgramCache]: Analyzing trace with hash -1726569274, now seen corresponding path program 8 times [2024-12-02 12:44:46,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:44:46,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820328537] [2024-12-02 12:44:46,758 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 12:44:46,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:44:46,854 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-02 12:44:46,855 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 12:44:50,904 INFO L134 CoverageAnalysis]: Checked inductivity of 11292 backedges. 0 proven. 2448 refuted. 0 times theorem prover too weak. 8844 trivial. 0 not checked. [2024-12-02 12:44:50,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:44:50,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820328537] [2024-12-02 12:44:50,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820328537] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:44:50,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1419662007] [2024-12-02 12:44:50,905 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 12:44:50,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:44:50,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:44:50,906 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:44:50,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (74)] Waiting until timeout for monitored process [2024-12-02 12:44:51,047 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-02 12:44:51,048 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 12:44:51,051 INFO L256 TraceCheckSpWp]: Trace formula consists of 1186 conjuncts, 55 conjuncts are in the unsatisfiable core [2024-12-02 12:44:51,055 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:44:52,249 INFO L134 CoverageAnalysis]: Checked inductivity of 11292 backedges. 0 proven. 11068 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2024-12-02 12:44:52,249 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:44:56,751 INFO L134 CoverageAnalysis]: Checked inductivity of 11292 backedges. 0 proven. 2448 refuted. 0 times theorem prover too weak. 8844 trivial. 0 not checked. [2024-12-02 12:44:56,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1419662007] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 12:44:56,752 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 12:44:56,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [59, 55, 56] total 115 [2024-12-02 12:44:56,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88210989] [2024-12-02 12:44:56,752 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 12:44:56,753 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 115 states [2024-12-02 12:44:56,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:44:56,755 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 115 interpolants. [2024-12-02 12:44:56,755 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2636, Invalid=10474, Unknown=0, NotChecked=0, Total=13110 [2024-12-02 12:44:56,756 INFO L87 Difference]: Start difference. First operand 7161 states and 8001 transitions. Second operand has 115 states, 115 states have (on average 6.843478260869565) internal successors, (787), 115 states have internal predecessors, (787), 52 states have call successors, (201), 27 states have call predecessors, (201), 27 states have return successors, (201), 52 states have call predecessors, (201), 52 states have call successors, (201) [2024-12-02 12:45:11,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:45:11,158 INFO L93 Difference]: Finished difference Result 8926 states and 9984 transitions. [2024-12-02 12:45:11,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states. [2024-12-02 12:45:11,159 INFO L78 Accepts]: Start accepts. Automaton has has 115 states, 115 states have (on average 6.843478260869565) internal successors, (787), 115 states have internal predecessors, (787), 52 states have call successors, (201), 27 states have call predecessors, (201), 27 states have return successors, (201), 52 states have call predecessors, (201), 52 states have call successors, (201) Word has length 684 [2024-12-02 12:45:11,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:45:11,167 INFO L225 Difference]: With dead ends: 8926 [2024-12-02 12:45:11,167 INFO L226 Difference]: Without dead ends: 8703 [2024-12-02 12:45:11,171 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1556 GetRequests, 1312 SyntacticMatches, 0 SemanticMatches, 244 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18042 ImplicationChecksByTransitivity, 12.3s TimeCoverageRelationStatistics Valid=12651, Invalid=47619, Unknown=0, NotChecked=0, Total=60270 [2024-12-02 12:45:11,171 INFO L435 NwaCegarLoop]: 50 mSDtfsCounter, 1286 mSDsluCounter, 1496 mSDsCounter, 0 mSdLazyCounter, 843 mSolverCounterSat, 111 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1286 SdHoareTripleChecker+Valid, 1546 SdHoareTripleChecker+Invalid, 954 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Valid, 843 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-12-02 12:45:11,171 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1286 Valid, 1546 Invalid, 954 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [111 Valid, 843 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-12-02 12:45:11,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8703 states. [2024-12-02 12:45:16,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8703 to 8141. [2024-12-02 12:45:16,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8141 states, 7145 states have (on average 1.0463261021693493) internal successors, (7476), 7171 states have internal predecessors, (7476), 799 states have call successors, (799), 192 states have call predecessors, (799), 192 states have return successors, (799), 777 states have call predecessors, (799), 799 states have call successors, (799) [2024-12-02 12:45:16,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8141 states to 8141 states and 9074 transitions. [2024-12-02 12:45:16,122 INFO L78 Accepts]: Start accepts. Automaton has 8141 states and 9074 transitions. Word has length 684 [2024-12-02 12:45:16,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:45:16,122 INFO L471 AbstractCegarLoop]: Abstraction has 8141 states and 9074 transitions. [2024-12-02 12:45:16,122 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 115 states, 115 states have (on average 6.843478260869565) internal successors, (787), 115 states have internal predecessors, (787), 52 states have call successors, (201), 27 states have call predecessors, (201), 27 states have return successors, (201), 52 states have call predecessors, (201), 52 states have call successors, (201) [2024-12-02 12:45:16,122 INFO L276 IsEmpty]: Start isEmpty. Operand 8141 states and 9074 transitions. [2024-12-02 12:45:16,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 737 [2024-12-02 12:45:16,131 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:45:16,131 INFO L218 NwaCegarLoop]: trace histogram [72, 72, 72, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:45:16,140 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (74)] Ended with exit code 0 [2024-12-02 12:45:16,331 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 74 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable82 [2024-12-02 12:45:16,331 INFO L396 AbstractCegarLoop]: === Iteration 84 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-12-02 12:45:16,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:45:16,331 INFO L85 PathProgramCache]: Analyzing trace with hash -1182709857, now seen corresponding path program 9 times [2024-12-02 12:45:16,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:45:16,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253510347] [2024-12-02 12:45:16,332 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-02 12:45:16,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:45:16,682 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 25 check-sat command(s) [2024-12-02 12:45:16,682 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 12:45:22,748 INFO L134 CoverageAnalysis]: Checked inductivity of 13080 backedges. 0 proven. 2856 refuted. 0 times theorem prover too weak. 10224 trivial. 0 not checked. [2024-12-02 12:45:22,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:45:22,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253510347] [2024-12-02 12:45:22,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253510347] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:45:22,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1515495715] [2024-12-02 12:45:22,748 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-02 12:45:22,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:45:22,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:45:22,750 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:45:22,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (75)] Waiting until timeout for monitored process [2024-12-02 12:45:30,016 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 25 check-sat command(s) [2024-12-02 12:45:30,016 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 12:45:30,021 INFO L256 TraceCheckSpWp]: Trace formula consists of 1243 conjuncts, 59 conjuncts are in the unsatisfiable core [2024-12-02 12:45:30,025 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:45:31,777 INFO L134 CoverageAnalysis]: Checked inductivity of 13080 backedges. 0 proven. 12840 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2024-12-02 12:45:31,777 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:45:37,246 INFO L134 CoverageAnalysis]: Checked inductivity of 13080 backedges. 0 proven. 2856 refuted. 0 times theorem prover too weak. 10224 trivial. 0 not checked. [2024-12-02 12:45:37,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1515495715] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 12:45:37,247 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 12:45:37,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [80, 59, 60] total 147 [2024-12-02 12:45:37,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138485100] [2024-12-02 12:45:37,247 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 12:45:37,248 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 147 states [2024-12-02 12:45:37,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:45:37,249 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 147 interpolants. [2024-12-02 12:45:37,251 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=4435, Invalid=17027, Unknown=0, NotChecked=0, Total=21462 [2024-12-02 12:45:37,251 INFO L87 Difference]: Start difference. First operand 8141 states and 9074 transitions. Second operand has 147 states, 147 states have (on average 6.292517006802721) internal successors, (925), 147 states have internal predecessors, (925), 59 states have call successors, (214), 29 states have call predecessors, (214), 29 states have return successors, (214), 59 states have call predecessors, (214), 59 states have call successors, (214) [2024-12-02 12:45:54,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:45:54,719 INFO L93 Difference]: Finished difference Result 10535 states and 11817 transitions. [2024-12-02 12:45:54,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 204 states. [2024-12-02 12:45:54,720 INFO L78 Accepts]: Start accepts. Automaton has has 147 states, 147 states have (on average 6.292517006802721) internal successors, (925), 147 states have internal predecessors, (925), 59 states have call successors, (214), 29 states have call predecessors, (214), 29 states have return successors, (214), 59 states have call predecessors, (214), 59 states have call successors, (214) Word has length 736 [2024-12-02 12:45:54,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:45:54,730 INFO L225 Difference]: With dead ends: 10535 [2024-12-02 12:45:54,730 INFO L226 Difference]: Without dead ends: 10311 [2024-12-02 12:45:54,735 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1678 GetRequests, 1403 SyntacticMatches, 2 SemanticMatches, 273 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24556 ImplicationChecksByTransitivity, 16.1s TimeCoverageRelationStatistics Valid=15080, Invalid=60270, Unknown=0, NotChecked=0, Total=75350 [2024-12-02 12:45:54,736 INFO L435 NwaCegarLoop]: 50 mSDtfsCounter, 1801 mSDsluCounter, 1673 mSDsCounter, 0 mSdLazyCounter, 972 mSolverCounterSat, 244 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1801 SdHoareTripleChecker+Valid, 1723 SdHoareTripleChecker+Invalid, 1216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 244 IncrementalHoareTripleChecker+Valid, 972 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-12-02 12:45:54,736 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1801 Valid, 1723 Invalid, 1216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [244 Valid, 972 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-12-02 12:45:54,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10311 states. [2024-12-02 12:46:00,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10311 to 9813. [2024-12-02 12:46:00,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9813 states, 8628 states have (on average 1.0492582290217896) internal successors, (9053), 8655 states have internal predecessors, (9053), 957 states have call successors, (957), 223 states have call predecessors, (957), 223 states have return successors, (957), 934 states have call predecessors, (957), 957 states have call successors, (957) [2024-12-02 12:46:00,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9813 states to 9813 states and 10967 transitions. [2024-12-02 12:46:00,815 INFO L78 Accepts]: Start accepts. Automaton has 9813 states and 10967 transitions. Word has length 736 [2024-12-02 12:46:00,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:46:00,816 INFO L471 AbstractCegarLoop]: Abstraction has 9813 states and 10967 transitions. [2024-12-02 12:46:00,816 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 147 states, 147 states have (on average 6.292517006802721) internal successors, (925), 147 states have internal predecessors, (925), 59 states have call successors, (214), 29 states have call predecessors, (214), 29 states have return successors, (214), 59 states have call predecessors, (214), 59 states have call successors, (214) [2024-12-02 12:46:00,816 INFO L276 IsEmpty]: Start isEmpty. Operand 9813 states and 10967 transitions. [2024-12-02 12:46:00,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 789 [2024-12-02 12:46:00,825 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:46:00,825 INFO L218 NwaCegarLoop]: trace histogram [77, 77, 77, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:46:00,830 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (75)] Ended with exit code 0 [2024-12-02 12:46:01,025 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 75 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable83 [2024-12-02 12:46:01,026 INFO L396 AbstractCegarLoop]: === Iteration 85 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-12-02 12:46:01,026 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:46:01,026 INFO L85 PathProgramCache]: Analyzing trace with hash 1045211320, now seen corresponding path program 10 times [2024-12-02 12:46:01,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:46:01,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676538397] [2024-12-02 12:46:01,026 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-02 12:46:01,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:46:01,069 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-02 12:46:01,069 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 12:46:09,369 INFO L134 CoverageAnalysis]: Checked inductivity of 15000 backedges. 0 proven. 3296 refuted. 0 times theorem prover too weak. 11704 trivial. 0 not checked. [2024-12-02 12:46:09,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:46:09,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676538397] [2024-12-02 12:46:09,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [676538397] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:46:09,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1662799346] [2024-12-02 12:46:09,370 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-02 12:46:09,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:46:09,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:46:09,371 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:46:09,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (76)] Waiting until timeout for monitored process [2024-12-02 12:46:09,573 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-02 12:46:09,573 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 12:46:09,577 INFO L256 TraceCheckSpWp]: Trace formula consists of 1358 conjuncts, 63 conjuncts are in the unsatisfiable core [2024-12-02 12:46:09,581 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:46:10,933 INFO L134 CoverageAnalysis]: Checked inductivity of 15000 backedges. 0 proven. 14744 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2024-12-02 12:46:10,933 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:46:17,396 INFO L134 CoverageAnalysis]: Checked inductivity of 15000 backedges. 0 proven. 3296 refuted. 0 times theorem prover too weak. 11704 trivial. 0 not checked. [2024-12-02 12:46:17,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1662799346] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 12:46:17,396 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 12:46:17,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [94, 63, 64] total 158 [2024-12-02 12:46:17,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032263171] [2024-12-02 12:46:17,396 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 12:46:17,397 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 158 states [2024-12-02 12:46:17,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:46:17,399 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 158 interpolants. [2024-12-02 12:46:17,400 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5577, Invalid=19229, Unknown=0, NotChecked=0, Total=24806 [2024-12-02 12:46:17,400 INFO L87 Difference]: Start difference. First operand 9813 states and 10967 transitions. Second operand has 158 states, 158 states have (on average 6.082278481012659) internal successors, (961), 158 states have internal predecessors, (961), 60 states have call successors, (231), 31 states have call predecessors, (231), 31 states have return successors, (231), 60 states have call predecessors, (231), 60 states have call successors, (231) [2024-12-02 12:46:36,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:46:36,202 INFO L93 Difference]: Finished difference Result 12021 states and 13499 transitions. [2024-12-02 12:46:36,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 218 states. [2024-12-02 12:46:36,203 INFO L78 Accepts]: Start accepts. Automaton has has 158 states, 158 states have (on average 6.082278481012659) internal successors, (961), 158 states have internal predecessors, (961), 60 states have call successors, (231), 31 states have call predecessors, (231), 31 states have return successors, (231), 60 states have call predecessors, (231), 60 states have call successors, (231) Word has length 788 [2024-12-02 12:46:36,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:46:36,213 INFO L225 Difference]: With dead ends: 12021 [2024-12-02 12:46:36,213 INFO L226 Difference]: Without dead ends: 11797 [2024-12-02 12:46:36,219 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1791 GetRequests, 1512 SyntacticMatches, 0 SemanticMatches, 279 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26556 ImplicationChecksByTransitivity, 17.4s TimeCoverageRelationStatistics Valid=16451, Invalid=62229, Unknown=0, NotChecked=0, Total=78680 [2024-12-02 12:46:36,219 INFO L435 NwaCegarLoop]: 50 mSDtfsCounter, 1561 mSDsluCounter, 1583 mSDsCounter, 0 mSdLazyCounter, 982 mSolverCounterSat, 178 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1561 SdHoareTripleChecker+Valid, 1633 SdHoareTripleChecker+Invalid, 1160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 178 IncrementalHoareTripleChecker+Valid, 982 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-12-02 12:46:36,219 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1561 Valid, 1633 Invalid, 1160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [178 Valid, 982 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-12-02 12:46:36,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11797 states. [2024-12-02 12:46:43,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11797 to 11657. [2024-12-02 12:46:43,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11657 states, 10257 states have (on average 1.0510870624939066) internal successors, (10781), 10288 states have internal predecessors, (10781), 1131 states have call successors, (1131), 264 states have call predecessors, (1131), 264 states have return successors, (1131), 1104 states have call predecessors, (1131), 1131 states have call successors, (1131) [2024-12-02 12:46:43,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11657 states to 11657 states and 13043 transitions. [2024-12-02 12:46:43,539 INFO L78 Accepts]: Start accepts. Automaton has 11657 states and 13043 transitions. Word has length 788 [2024-12-02 12:46:43,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:46:43,540 INFO L471 AbstractCegarLoop]: Abstraction has 11657 states and 13043 transitions. [2024-12-02 12:46:43,540 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 158 states, 158 states have (on average 6.082278481012659) internal successors, (961), 158 states have internal predecessors, (961), 60 states have call successors, (231), 31 states have call predecessors, (231), 31 states have return successors, (231), 60 states have call predecessors, (231), 60 states have call successors, (231) [2024-12-02 12:46:43,540 INFO L276 IsEmpty]: Start isEmpty. Operand 11657 states and 13043 transitions. [2024-12-02 12:46:43,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 807 [2024-12-02 12:46:43,552 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:46:43,552 INFO L218 NwaCegarLoop]: trace histogram [93, 93, 93, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 30, 30, 30, 1, 1, 1] [2024-12-02 12:46:43,559 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (76)] Ended with exit code 0 [2024-12-02 12:46:43,752 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84,76 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:46:43,752 INFO L396 AbstractCegarLoop]: === Iteration 86 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-12-02 12:46:43,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:46:43,753 INFO L85 PathProgramCache]: Analyzing trace with hash -52549469, now seen corresponding path program 5 times [2024-12-02 12:46:43,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:46:43,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918670575] [2024-12-02 12:46:43,753 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-02 12:46:43,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:46:43,820 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 51 check-sat command(s) [2024-12-02 12:46:43,820 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-12-02 12:46:43,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [83229503] [2024-12-02 12:46:43,824 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-02 12:46:43,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:46:43,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:46:43,826 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:46:43,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (77)] Waiting until timeout for monitored process [2024-12-02 12:46:44,192 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 51 check-sat command(s) [2024-12-02 12:46:44,192 INFO L230 tOrderPrioritization]: Conjunction of SSA is sat [2024-12-02 12:46:44,192 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 12:46:44,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 12:46:44,422 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 12:46:44,422 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 12:46:44,423 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 28 remaining) [2024-12-02 12:46:44,424 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 28 remaining) [2024-12-02 12:46:44,424 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 28 remaining) [2024-12-02 12:46:44,424 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 28 remaining) [2024-12-02 12:46:44,424 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 28 remaining) [2024-12-02 12:46:44,424 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 28 remaining) [2024-12-02 12:46:44,425 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 28 remaining) [2024-12-02 12:46:44,425 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 28 remaining) [2024-12-02 12:46:44,425 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 28 remaining) [2024-12-02 12:46:44,425 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 28 remaining) [2024-12-02 12:46:44,425 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 28 remaining) [2024-12-02 12:46:44,425 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 28 remaining) [2024-12-02 12:46:44,425 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 28 remaining) [2024-12-02 12:46:44,425 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 28 remaining) [2024-12-02 12:46:44,425 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 28 remaining) [2024-12-02 12:46:44,425 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 28 remaining) [2024-12-02 12:46:44,425 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 28 remaining) [2024-12-02 12:46:44,425 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 28 remaining) [2024-12-02 12:46:44,425 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 28 remaining) [2024-12-02 12:46:44,425 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 28 remaining) [2024-12-02 12:46:44,425 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 28 remaining) [2024-12-02 12:46:44,425 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 28 remaining) [2024-12-02 12:46:44,425 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 28 remaining) [2024-12-02 12:46:44,426 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 28 remaining) [2024-12-02 12:46:44,426 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 28 remaining) [2024-12-02 12:46:44,426 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 28 remaining) [2024-12-02 12:46:44,426 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 28 remaining) [2024-12-02 12:46:44,426 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 28 remaining) [2024-12-02 12:46:44,434 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (77)] Ended with exit code 0 [2024-12-02 12:46:44,626 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85,77 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:46:44,629 INFO L422 BasicCegarLoop]: Path program histogram: [10, 9, 5, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:46:44,734 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 12:46:44,737 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 12:46:44 BoogieIcfgContainer [2024-12-02 12:46:44,737 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 12:46:44,738 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 12:46:44,738 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 12:46:44,738 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 12:46:44,739 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:36:24" (3/4) ... [2024-12-02 12:46:44,740 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-02 12:46:44,860 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 342. [2024-12-02 12:46:45,025 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 12:46:45,025 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/witness.yml [2024-12-02 12:46:45,025 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 12:46:45,026 INFO L158 Benchmark]: Toolchain (without parser) took 620643.30ms. Allocated memory was 142.6MB in the beginning and 2.5GB in the end (delta: 2.4GB). Free memory was 115.8MB in the beginning and 2.4GB in the end (delta: -2.3GB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. [2024-12-02 12:46:45,026 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 142.6MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 12:46:45,026 INFO L158 Benchmark]: CACSL2BoogieTranslator took 204.35ms. Allocated memory is still 142.6MB. Free memory was 115.7MB in the beginning and 104.5MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 12:46:45,027 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.97ms. Allocated memory is still 142.6MB. Free memory was 104.5MB in the beginning and 103.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 12:46:45,027 INFO L158 Benchmark]: Boogie Preprocessor took 31.06ms. Allocated memory is still 142.6MB. Free memory was 103.0MB in the beginning and 101.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 12:46:45,027 INFO L158 Benchmark]: RCFGBuilder took 328.75ms. Allocated memory is still 142.6MB. Free memory was 101.8MB in the beginning and 86.0MB in the end (delta: 15.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 12:46:45,027 INFO L158 Benchmark]: TraceAbstraction took 619754.61ms. Allocated memory was 142.6MB in the beginning and 2.5GB in the end (delta: 2.4GB). Free memory was 85.5MB in the beginning and 946.6MB in the end (delta: -861.1MB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. [2024-12-02 12:46:45,027 INFO L158 Benchmark]: Witness Printer took 287.72ms. Allocated memory is still 2.5GB. Free memory was 946.6MB in the beginning and 2.4GB in the end (delta: -1.4GB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-12-02 12:46:45,028 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 142.6MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 204.35ms. Allocated memory is still 142.6MB. Free memory was 115.7MB in the beginning and 104.5MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.97ms. Allocated memory is still 142.6MB. Free memory was 104.5MB in the beginning and 103.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 31.06ms. Allocated memory is still 142.6MB. Free memory was 103.0MB in the beginning and 101.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 328.75ms. Allocated memory is still 142.6MB. Free memory was 101.8MB in the beginning and 86.0MB in the end (delta: 15.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 619754.61ms. Allocated memory was 142.6MB in the beginning and 2.5GB in the end (delta: 2.4GB). Free memory was 85.5MB in the beginning and 946.6MB in the end (delta: -861.1MB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. * Witness Printer took 287.72ms. Allocated memory is still 2.5GB. Free memory was 946.6MB in the beginning and 2.4GB in the end (delta: -1.4GB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 40]: integer overflow possible integer overflow possible We found a FailurePath: [L22] int counter = 0; VAL [counter=0] [L24] int A, B; [L25] int r, d, p, q; [L26] A = __VERIFIER_nondet_int() [L27] B = 1 [L29] r = A [L30] d = B [L31] p = 1 [L32] q = 0 VAL [A=1073741824, B=1, counter=0, d=1, p=1, q=0, r=1073741824] [L34] EXPR counter++ VAL [A=1073741824, B=1, counter=1, d=1, p=1, q=0, r=1073741824] [L34] COND TRUE counter++<100 [L35] CALL __VERIFIER_assert(q == 0) VAL [counter=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=1] [L35] RET __VERIFIER_assert(q == 0) VAL [A=1073741824, B=1, counter=1, d=1, p=1, q=0, r=1073741824] [L36] CALL __VERIFIER_assert(r == A) VAL [counter=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=1] [L36] RET __VERIFIER_assert(r == A) VAL [A=1073741824, B=1, counter=1, d=1, p=1, q=0, r=1073741824] [L37] EXPR B * p VAL [A=1073741824, B=1, counter=1, d=1, p=1, q=0, r=1073741824] [L37] CALL __VERIFIER_assert(d == B * p) VAL [counter=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=1] [L37] RET __VERIFIER_assert(d == B * p) VAL [A=1073741824, B=1, counter=1, d=1, p=1, q=0, r=1073741824] [L38] COND FALSE !(!(r >= d)) VAL [A=1073741824, B=1, counter=1, d=1, p=1, q=0, r=1073741824] [L40] EXPR 2 * d [L40] d = 2 * d VAL [A=1073741824, B=1, counter=1, d=2, p=1, q=0, r=1073741824] [L41] EXPR 2 * p [L41] p = 2 * p VAL [A=1073741824, B=1, counter=1, d=2, p=2, q=0, r=1073741824] [L34] EXPR counter++ VAL [A=1073741824, B=1, counter=2, d=2, p=2, q=0, r=1073741824] [L34] COND TRUE counter++<100 [L35] CALL __VERIFIER_assert(q == 0) VAL [counter=2] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=2] [L35] RET __VERIFIER_assert(q == 0) VAL [A=1073741824, B=1, counter=2, d=2, p=2, q=0, r=1073741824] [L36] CALL __VERIFIER_assert(r == A) VAL [counter=2] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=2] [L36] RET __VERIFIER_assert(r == A) VAL [A=1073741824, B=1, counter=2, d=2, p=2, q=0, r=1073741824] [L37] EXPR B * p VAL [A=1073741824, B=1, counter=2, d=2, p=2, q=0, r=1073741824] [L37] CALL __VERIFIER_assert(d == B * p) VAL [counter=2] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=2] [L37] RET __VERIFIER_assert(d == B * p) VAL [A=1073741824, B=1, counter=2, d=2, p=2, q=0, r=1073741824] [L38] COND FALSE !(!(r >= d)) VAL [A=1073741824, B=1, counter=2, d=2, p=2, q=0, r=1073741824] [L40] EXPR 2 * d [L40] d = 2 * d VAL [A=1073741824, B=1, counter=2, d=4, p=2, q=0, r=1073741824] [L41] EXPR 2 * p [L41] p = 2 * p VAL [A=1073741824, B=1, counter=2, d=4, p=4, q=0, r=1073741824] [L34] EXPR counter++ VAL [A=1073741824, B=1, counter=3, d=4, p=4, q=0, r=1073741824] [L34] COND TRUE counter++<100 [L35] CALL __VERIFIER_assert(q == 0) VAL [counter=3] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=3] [L35] RET __VERIFIER_assert(q == 0) VAL [A=1073741824, B=1, counter=3, d=4, p=4, q=0, r=1073741824] [L36] CALL __VERIFIER_assert(r == A) VAL [counter=3] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=3] [L36] RET __VERIFIER_assert(r == A) VAL [A=1073741824, B=1, counter=3, d=4, p=4, q=0, r=1073741824] [L37] EXPR B * p VAL [A=1073741824, B=1, counter=3, d=4, p=4, q=0, r=1073741824] [L37] CALL __VERIFIER_assert(d == B * p) VAL [counter=3] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=3] [L37] RET __VERIFIER_assert(d == B * p) VAL [A=1073741824, B=1, counter=3, d=4, p=4, q=0, r=1073741824] [L38] COND FALSE !(!(r >= d)) VAL [A=1073741824, B=1, counter=3, d=4, p=4, q=0, r=1073741824] [L40] EXPR 2 * d [L40] d = 2 * d VAL [A=1073741824, B=1, counter=3, d=8, p=4, q=0, r=1073741824] [L41] EXPR 2 * p [L41] p = 2 * p VAL [A=1073741824, B=1, counter=3, d=8, p=8, q=0, r=1073741824] [L34] EXPR counter++ VAL [A=1073741824, B=1, counter=4, d=8, p=8, q=0, r=1073741824] [L34] COND TRUE counter++<100 [L35] CALL __VERIFIER_assert(q == 0) VAL [counter=4] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=4] [L35] RET __VERIFIER_assert(q == 0) VAL [A=1073741824, B=1, counter=4, d=8, p=8, q=0, r=1073741824] [L36] CALL __VERIFIER_assert(r == A) VAL [counter=4] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=4] [L36] RET __VERIFIER_assert(r == A) VAL [A=1073741824, B=1, counter=4, d=8, p=8, q=0, r=1073741824] [L37] EXPR B * p VAL [A=1073741824, B=1, counter=4, d=8, p=8, q=0, r=1073741824] [L37] CALL __VERIFIER_assert(d == B * p) VAL [counter=4] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=4] [L37] RET __VERIFIER_assert(d == B * p) VAL [A=1073741824, B=1, counter=4, d=8, p=8, q=0, r=1073741824] [L38] COND FALSE !(!(r >= d)) VAL [A=1073741824, B=1, counter=4, d=8, p=8, q=0, r=1073741824] [L40] EXPR 2 * d [L40] d = 2 * d VAL [A=1073741824, B=1, counter=4, d=16, p=8, q=0, r=1073741824] [L41] EXPR 2 * p [L41] p = 2 * p VAL [A=1073741824, B=1, counter=4, d=16, p=16, q=0, r=1073741824] [L34] EXPR counter++ VAL [A=1073741824, B=1, counter=5, d=16, p=16, q=0, r=1073741824] [L34] COND TRUE counter++<100 [L35] CALL __VERIFIER_assert(q == 0) VAL [counter=5] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=5] [L35] RET __VERIFIER_assert(q == 0) VAL [A=1073741824, B=1, counter=5, d=16, p=16, q=0, r=1073741824] [L36] CALL __VERIFIER_assert(r == A) VAL [counter=5] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=5] [L36] RET __VERIFIER_assert(r == A) VAL [A=1073741824, B=1, counter=5, d=16, p=16, q=0, r=1073741824] [L37] EXPR B * p VAL [A=1073741824, B=1, counter=5, d=16, p=16, q=0, r=1073741824] [L37] CALL __VERIFIER_assert(d == B * p) VAL [counter=5] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=5] [L37] RET __VERIFIER_assert(d == B * p) VAL [A=1073741824, B=1, counter=5, d=16, p=16, q=0, r=1073741824] [L38] COND FALSE !(!(r >= d)) VAL [A=1073741824, B=1, counter=5, d=16, p=16, q=0, r=1073741824] [L40] EXPR 2 * d [L40] d = 2 * d VAL [A=1073741824, B=1, counter=5, d=32, p=16, q=0, r=1073741824] [L41] EXPR 2 * p [L41] p = 2 * p VAL [A=1073741824, B=1, counter=5, d=32, p=32, q=0, r=1073741824] [L34] EXPR counter++ VAL [A=1073741824, B=1, counter=6, d=32, p=32, q=0, r=1073741824] [L34] COND TRUE counter++<100 [L35] CALL __VERIFIER_assert(q == 0) VAL [counter=6] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=6] [L35] RET __VERIFIER_assert(q == 0) VAL [A=1073741824, B=1, counter=6, d=32, p=32, q=0, r=1073741824] [L36] CALL __VERIFIER_assert(r == A) VAL [counter=6] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=6] [L36] RET __VERIFIER_assert(r == A) VAL [A=1073741824, B=1, counter=6, d=32, p=32, q=0, r=1073741824] [L37] EXPR B * p VAL [A=1073741824, B=1, counter=6, d=32, p=32, q=0, r=1073741824] [L37] CALL __VERIFIER_assert(d == B * p) VAL [counter=6] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=6] [L37] RET __VERIFIER_assert(d == B * p) VAL [A=1073741824, B=1, counter=6, d=32, p=32, q=0, r=1073741824] [L38] COND FALSE !(!(r >= d)) VAL [A=1073741824, B=1, counter=6, d=32, p=32, q=0, r=1073741824] [L40] EXPR 2 * d [L40] d = 2 * d VAL [A=1073741824, B=1, counter=6, d=64, p=32, q=0, r=1073741824] [L41] EXPR 2 * p [L41] p = 2 * p VAL [A=1073741824, B=1, counter=6, d=64, p=64, q=0, r=1073741824] [L34] EXPR counter++ VAL [A=1073741824, B=1, counter=7, d=64, p=64, q=0, r=1073741824] [L34] COND TRUE counter++<100 [L35] CALL __VERIFIER_assert(q == 0) VAL [counter=7] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=7] [L35] RET __VERIFIER_assert(q == 0) VAL [A=1073741824, B=1, counter=7, d=64, p=64, q=0, r=1073741824] [L36] CALL __VERIFIER_assert(r == A) VAL [counter=7] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=7] [L36] RET __VERIFIER_assert(r == A) VAL [A=1073741824, B=1, counter=7, d=64, p=64, q=0, r=1073741824] [L37] EXPR B * p VAL [A=1073741824, B=1, counter=7, d=64, p=64, q=0, r=1073741824] [L37] CALL __VERIFIER_assert(d == B * p) VAL [counter=7] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=7] [L37] RET __VERIFIER_assert(d == B * p) VAL [A=1073741824, B=1, counter=7, d=64, p=64, q=0, r=1073741824] [L38] COND FALSE !(!(r >= d)) VAL [A=1073741824, B=1, counter=7, d=64, p=64, q=0, r=1073741824] [L40] EXPR 2 * d [L40] d = 2 * d VAL [A=1073741824, B=1, counter=7, d=128, p=64, q=0, r=1073741824] [L41] EXPR 2 * p [L41] p = 2 * p VAL [A=1073741824, B=1, counter=7, d=128, p=128, q=0, r=1073741824] [L34] EXPR counter++ VAL [A=1073741824, B=1, counter=8, d=128, p=128, q=0, r=1073741824] [L34] COND TRUE counter++<100 [L35] CALL __VERIFIER_assert(q == 0) VAL [counter=8] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=8] [L35] RET __VERIFIER_assert(q == 0) VAL [A=1073741824, B=1, counter=8, d=128, p=128, q=0, r=1073741824] [L36] CALL __VERIFIER_assert(r == A) VAL [counter=8] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=8] [L36] RET __VERIFIER_assert(r == A) VAL [A=1073741824, B=1, counter=8, d=128, p=128, q=0, r=1073741824] [L37] EXPR B * p VAL [A=1073741824, B=1, counter=8, d=128, p=128, q=0, r=1073741824] [L37] CALL __VERIFIER_assert(d == B * p) VAL [counter=8] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=8] [L37] RET __VERIFIER_assert(d == B * p) VAL [A=1073741824, B=1, counter=8, d=128, p=128, q=0, r=1073741824] [L38] COND FALSE !(!(r >= d)) VAL [A=1073741824, B=1, counter=8, d=128, p=128, q=0, r=1073741824] [L40] EXPR 2 * d [L40] d = 2 * d VAL [A=1073741824, B=1, counter=8, d=256, p=128, q=0, r=1073741824] [L41] EXPR 2 * p [L41] p = 2 * p VAL [A=1073741824, B=1, counter=8, d=256, p=256, q=0, r=1073741824] [L34] EXPR counter++ VAL [A=1073741824, B=1, counter=9, d=256, p=256, q=0, r=1073741824] [L34] COND TRUE counter++<100 [L35] CALL __VERIFIER_assert(q == 0) VAL [counter=9] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=9] [L35] RET __VERIFIER_assert(q == 0) VAL [A=1073741824, B=1, counter=9, d=256, p=256, q=0, r=1073741824] [L36] CALL __VERIFIER_assert(r == A) VAL [counter=9] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=9] [L36] RET __VERIFIER_assert(r == A) VAL [A=1073741824, B=1, counter=9, d=256, p=256, q=0, r=1073741824] [L37] EXPR B * p VAL [A=1073741824, B=1, counter=9, d=256, p=256, q=0, r=1073741824] [L37] CALL __VERIFIER_assert(d == B * p) VAL [counter=9] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=9] [L37] RET __VERIFIER_assert(d == B * p) VAL [A=1073741824, B=1, counter=9, d=256, p=256, q=0, r=1073741824] [L38] COND FALSE !(!(r >= d)) VAL [A=1073741824, B=1, counter=9, d=256, p=256, q=0, r=1073741824] [L40] EXPR 2 * d [L40] d = 2 * d VAL [A=1073741824, B=1, counter=9, d=512, p=256, q=0, r=1073741824] [L41] EXPR 2 * p [L41] p = 2 * p VAL [A=1073741824, B=1, counter=9, d=512, p=512, q=0, r=1073741824] [L34] EXPR counter++ VAL [A=1073741824, B=1, counter=10, d=512, p=512, q=0, r=1073741824] [L34] COND TRUE counter++<100 [L35] CALL __VERIFIER_assert(q == 0) VAL [counter=10] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=10] [L35] RET __VERIFIER_assert(q == 0) VAL [A=1073741824, B=1, counter=10, d=512, p=512, q=0, r=1073741824] [L36] CALL __VERIFIER_assert(r == A) VAL [counter=10] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=10] [L36] RET __VERIFIER_assert(r == A) VAL [A=1073741824, B=1, counter=10, d=512, p=512, q=0, r=1073741824] [L37] EXPR B * p VAL [A=1073741824, B=1, counter=10, d=512, p=512, q=0, r=1073741824] [L37] CALL __VERIFIER_assert(d == B * p) VAL [counter=10] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=10] [L37] RET __VERIFIER_assert(d == B * p) VAL [A=1073741824, B=1, counter=10, d=512, p=512, q=0, r=1073741824] [L38] COND FALSE !(!(r >= d)) VAL [A=1073741824, B=1, counter=10, d=512, p=512, q=0, r=1073741824] [L40] EXPR 2 * d [L40] d = 2 * d VAL [A=1073741824, B=1, counter=10, d=1024, p=512, q=0, r=1073741824] [L41] EXPR 2 * p [L41] p = 2 * p VAL [A=1073741824, B=1, counter=10, d=1024, p=1024, q=0, r=1073741824] [L34] EXPR counter++ VAL [A=1073741824, B=1, counter=11, d=1024, p=1024, q=0, r=1073741824] [L34] COND TRUE counter++<100 [L35] CALL __VERIFIER_assert(q == 0) VAL [counter=11] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=11] [L35] RET __VERIFIER_assert(q == 0) VAL [A=1073741824, B=1, counter=11, d=1024, p=1024, q=0, r=1073741824] [L36] CALL __VERIFIER_assert(r == A) VAL [counter=11] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=11] [L36] RET __VERIFIER_assert(r == A) VAL [A=1073741824, B=1, counter=11, d=1024, p=1024, q=0, r=1073741824] [L37] EXPR B * p VAL [A=1073741824, B=1, counter=11, d=1024, p=1024, q=0, r=1073741824] [L37] CALL __VERIFIER_assert(d == B * p) VAL [counter=11] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=11] [L37] RET __VERIFIER_assert(d == B * p) VAL [A=1073741824, B=1, counter=11, d=1024, p=1024, q=0, r=1073741824] [L38] COND FALSE !(!(r >= d)) VAL [A=1073741824, B=1, counter=11, d=1024, p=1024, q=0, r=1073741824] [L40] EXPR 2 * d [L40] d = 2 * d VAL [A=1073741824, B=1, counter=11, d=2048, p=1024, q=0, r=1073741824] [L41] EXPR 2 * p [L41] p = 2 * p VAL [A=1073741824, B=1, counter=11, d=2048, p=2048, q=0, r=1073741824] [L34] EXPR counter++ VAL [A=1073741824, B=1, counter=12, d=2048, p=2048, q=0, r=1073741824] [L34] COND TRUE counter++<100 [L35] CALL __VERIFIER_assert(q == 0) VAL [counter=12] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=12] [L35] RET __VERIFIER_assert(q == 0) VAL [A=1073741824, B=1, counter=12, d=2048, p=2048, q=0, r=1073741824] [L36] CALL __VERIFIER_assert(r == A) VAL [counter=12] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=12] [L36] RET __VERIFIER_assert(r == A) VAL [A=1073741824, B=1, counter=12, d=2048, p=2048, q=0, r=1073741824] [L37] EXPR B * p VAL [A=1073741824, B=1, counter=12, d=2048, p=2048, q=0, r=1073741824] [L37] CALL __VERIFIER_assert(d == B * p) VAL [counter=12] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=12] [L37] RET __VERIFIER_assert(d == B * p) VAL [A=1073741824, B=1, counter=12, d=2048, p=2048, q=0, r=1073741824] [L38] COND FALSE !(!(r >= d)) VAL [A=1073741824, B=1, counter=12, d=2048, p=2048, q=0, r=1073741824] [L40] EXPR 2 * d [L40] d = 2 * d VAL [A=1073741824, B=1, counter=12, d=4096, p=2048, q=0, r=1073741824] [L41] EXPR 2 * p [L41] p = 2 * p VAL [A=1073741824, B=1, counter=12, d=4096, p=4096, q=0, r=1073741824] [L34] EXPR counter++ VAL [A=1073741824, B=1, counter=13, d=4096, p=4096, q=0, r=1073741824] [L34] COND TRUE counter++<100 [L35] CALL __VERIFIER_assert(q == 0) VAL [counter=13] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=13] [L35] RET __VERIFIER_assert(q == 0) VAL [A=1073741824, B=1, counter=13, d=4096, p=4096, q=0, r=1073741824] [L36] CALL __VERIFIER_assert(r == A) VAL [counter=13] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=13] [L36] RET __VERIFIER_assert(r == A) VAL [A=1073741824, B=1, counter=13, d=4096, p=4096, q=0, r=1073741824] [L37] EXPR B * p VAL [A=1073741824, B=1, counter=13, d=4096, p=4096, q=0, r=1073741824] [L37] CALL __VERIFIER_assert(d == B * p) VAL [counter=13] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=13] [L37] RET __VERIFIER_assert(d == B * p) VAL [A=1073741824, B=1, counter=13, d=4096, p=4096, q=0, r=1073741824] [L38] COND FALSE !(!(r >= d)) VAL [A=1073741824, B=1, counter=13, d=4096, p=4096, q=0, r=1073741824] [L40] EXPR 2 * d [L40] d = 2 * d VAL [A=1073741824, B=1, counter=13, d=8192, p=4096, q=0, r=1073741824] [L41] EXPR 2 * p [L41] p = 2 * p VAL [A=1073741824, B=1, counter=13, d=8192, p=8192, q=0, r=1073741824] [L34] EXPR counter++ VAL [A=1073741824, B=1, counter=14, d=8192, p=8192, q=0, r=1073741824] [L34] COND TRUE counter++<100 [L35] CALL __VERIFIER_assert(q == 0) VAL [counter=14] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=14] [L35] RET __VERIFIER_assert(q == 0) VAL [A=1073741824, B=1, counter=14, d=8192, p=8192, q=0, r=1073741824] [L36] CALL __VERIFIER_assert(r == A) VAL [counter=14] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=14] [L36] RET __VERIFIER_assert(r == A) VAL [A=1073741824, B=1, counter=14, d=8192, p=8192, q=0, r=1073741824] [L37] EXPR B * p VAL [A=1073741824, B=1, counter=14, d=8192, p=8192, q=0, r=1073741824] [L37] CALL __VERIFIER_assert(d == B * p) VAL [counter=14] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=14] [L37] RET __VERIFIER_assert(d == B * p) VAL [A=1073741824, B=1, counter=14, d=8192, p=8192, q=0, r=1073741824] [L38] COND FALSE !(!(r >= d)) VAL [A=1073741824, B=1, counter=14, d=8192, p=8192, q=0, r=1073741824] [L40] EXPR 2 * d [L40] d = 2 * d VAL [A=1073741824, B=1, counter=14, d=16384, p=8192, q=0, r=1073741824] [L41] EXPR 2 * p [L41] p = 2 * p VAL [A=1073741824, B=1, counter=14, d=16384, p=16384, q=0, r=1073741824] [L34] EXPR counter++ VAL [A=1073741824, B=1, counter=15, d=16384, p=16384, q=0, r=1073741824] [L34] COND TRUE counter++<100 [L35] CALL __VERIFIER_assert(q == 0) VAL [counter=15] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=15] [L35] RET __VERIFIER_assert(q == 0) VAL [A=1073741824, B=1, counter=15, d=16384, p=16384, q=0, r=1073741824] [L36] CALL __VERIFIER_assert(r == A) VAL [counter=15] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=15] [L36] RET __VERIFIER_assert(r == A) VAL [A=1073741824, B=1, counter=15, d=16384, p=16384, q=0, r=1073741824] [L37] EXPR B * p VAL [A=1073741824, B=1, counter=15, d=16384, p=16384, q=0, r=1073741824] [L37] CALL __VERIFIER_assert(d == B * p) VAL [counter=15] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=15] [L37] RET __VERIFIER_assert(d == B * p) VAL [A=1073741824, B=1, counter=15, d=16384, p=16384, q=0, r=1073741824] [L38] COND FALSE !(!(r >= d)) VAL [A=1073741824, B=1, counter=15, d=16384, p=16384, q=0, r=1073741824] [L40] EXPR 2 * d [L40] d = 2 * d VAL [A=1073741824, B=1, counter=15, d=32768, p=16384, q=0, r=1073741824] [L41] EXPR 2 * p [L41] p = 2 * p VAL [A=1073741824, B=1, counter=15, d=32768, p=32768, q=0, r=1073741824] [L34] EXPR counter++ VAL [A=1073741824, B=1, counter=16, d=32768, p=32768, q=0, r=1073741824] [L34] COND TRUE counter++<100 [L35] CALL __VERIFIER_assert(q == 0) VAL [counter=16] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=16] [L35] RET __VERIFIER_assert(q == 0) VAL [A=1073741824, B=1, counter=16, d=32768, p=32768, q=0, r=1073741824] [L36] CALL __VERIFIER_assert(r == A) VAL [counter=16] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=16] [L36] RET __VERIFIER_assert(r == A) VAL [A=1073741824, B=1, counter=16, d=32768, p=32768, q=0, r=1073741824] [L37] EXPR B * p VAL [A=1073741824, B=1, counter=16, d=32768, p=32768, q=0, r=1073741824] [L37] CALL __VERIFIER_assert(d == B * p) VAL [counter=16] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=16] [L37] RET __VERIFIER_assert(d == B * p) VAL [A=1073741824, B=1, counter=16, d=32768, p=32768, q=0, r=1073741824] [L38] COND FALSE !(!(r >= d)) VAL [A=1073741824, B=1, counter=16, d=32768, p=32768, q=0, r=1073741824] [L40] EXPR 2 * d [L40] d = 2 * d VAL [A=1073741824, B=1, counter=16, d=65536, p=32768, q=0, r=1073741824] [L41] EXPR 2 * p [L41] p = 2 * p VAL [A=1073741824, B=1, counter=16, d=65536, p=65536, q=0, r=1073741824] [L34] EXPR counter++ VAL [A=1073741824, B=1, counter=17, d=65536, p=65536, q=0, r=1073741824] [L34] COND TRUE counter++<100 [L35] CALL __VERIFIER_assert(q == 0) VAL [counter=17] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=17] [L35] RET __VERIFIER_assert(q == 0) VAL [A=1073741824, B=1, counter=17, d=65536, p=65536, q=0, r=1073741824] [L36] CALL __VERIFIER_assert(r == A) VAL [counter=17] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=17] [L36] RET __VERIFIER_assert(r == A) VAL [A=1073741824, B=1, counter=17, d=65536, p=65536, q=0, r=1073741824] [L37] EXPR B * p VAL [A=1073741824, B=1, counter=17, d=65536, p=65536, q=0, r=1073741824] [L37] CALL __VERIFIER_assert(d == B * p) VAL [counter=17] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=17] [L37] RET __VERIFIER_assert(d == B * p) VAL [A=1073741824, B=1, counter=17, d=65536, p=65536, q=0, r=1073741824] [L38] COND FALSE !(!(r >= d)) VAL [A=1073741824, B=1, counter=17, d=65536, p=65536, q=0, r=1073741824] [L40] EXPR 2 * d [L40] d = 2 * d VAL [A=1073741824, B=1, counter=17, d=131072, p=65536, q=0, r=1073741824] [L41] EXPR 2 * p [L41] p = 2 * p VAL [A=1073741824, B=1, counter=17, d=131072, p=131072, q=0, r=1073741824] [L34] EXPR counter++ VAL [A=1073741824, B=1, counter=18, d=131072, p=131072, q=0, r=1073741824] [L34] COND TRUE counter++<100 [L35] CALL __VERIFIER_assert(q == 0) VAL [counter=18] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=18] [L35] RET __VERIFIER_assert(q == 0) VAL [A=1073741824, B=1, counter=18, d=131072, p=131072, q=0, r=1073741824] [L36] CALL __VERIFIER_assert(r == A) VAL [counter=18] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=18] [L36] RET __VERIFIER_assert(r == A) VAL [A=1073741824, B=1, counter=18, d=131072, p=131072, q=0, r=1073741824] [L37] EXPR B * p VAL [A=1073741824, B=1, counter=18, d=131072, p=131072, q=0, r=1073741824] [L37] CALL __VERIFIER_assert(d == B * p) VAL [counter=18] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=18] [L37] RET __VERIFIER_assert(d == B * p) VAL [A=1073741824, B=1, counter=18, d=131072, p=131072, q=0, r=1073741824] [L38] COND FALSE !(!(r >= d)) VAL [A=1073741824, B=1, counter=18, d=131072, p=131072, q=0, r=1073741824] [L40] EXPR 2 * d [L40] d = 2 * d VAL [A=1073741824, B=1, counter=18, d=262144, p=131072, q=0, r=1073741824] [L41] EXPR 2 * p [L41] p = 2 * p VAL [A=1073741824, B=1, counter=18, d=262144, p=262144, q=0, r=1073741824] [L34] EXPR counter++ VAL [A=1073741824, B=1, counter=19, d=262144, p=262144, q=0, r=1073741824] [L34] COND TRUE counter++<100 [L35] CALL __VERIFIER_assert(q == 0) VAL [counter=19] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=19] [L35] RET __VERIFIER_assert(q == 0) VAL [A=1073741824, B=1, counter=19, d=262144, p=262144, q=0, r=1073741824] [L36] CALL __VERIFIER_assert(r == A) VAL [counter=19] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=19] [L36] RET __VERIFIER_assert(r == A) VAL [A=1073741824, B=1, counter=19, d=262144, p=262144, q=0, r=1073741824] [L37] EXPR B * p VAL [A=1073741824, B=1, counter=19, d=262144, p=262144, q=0, r=1073741824] [L37] CALL __VERIFIER_assert(d == B * p) VAL [counter=19] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=19] [L37] RET __VERIFIER_assert(d == B * p) VAL [A=1073741824, B=1, counter=19, d=262144, p=262144, q=0, r=1073741824] [L38] COND FALSE !(!(r >= d)) VAL [A=1073741824, B=1, counter=19, d=262144, p=262144, q=0, r=1073741824] [L40] EXPR 2 * d [L40] d = 2 * d VAL [A=1073741824, B=1, counter=19, d=524288, p=262144, q=0, r=1073741824] [L41] EXPR 2 * p [L41] p = 2 * p VAL [A=1073741824, B=1, counter=19, d=524288, p=524288, q=0, r=1073741824] [L34] EXPR counter++ VAL [A=1073741824, B=1, counter=20, d=524288, p=524288, q=0, r=1073741824] [L34] COND TRUE counter++<100 [L35] CALL __VERIFIER_assert(q == 0) VAL [counter=20] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=20] [L35] RET __VERIFIER_assert(q == 0) VAL [A=1073741824, B=1, counter=20, d=524288, p=524288, q=0, r=1073741824] [L36] CALL __VERIFIER_assert(r == A) VAL [counter=20] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=20] [L36] RET __VERIFIER_assert(r == A) VAL [A=1073741824, B=1, counter=20, d=524288, p=524288, q=0, r=1073741824] [L37] EXPR B * p VAL [A=1073741824, B=1, counter=20, d=524288, p=524288, q=0, r=1073741824] [L37] CALL __VERIFIER_assert(d == B * p) VAL [counter=20] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=20] [L37] RET __VERIFIER_assert(d == B * p) VAL [A=1073741824, B=1, counter=20, d=524288, p=524288, q=0, r=1073741824] [L38] COND FALSE !(!(r >= d)) VAL [A=1073741824, B=1, counter=20, d=524288, p=524288, q=0, r=1073741824] [L40] EXPR 2 * d [L40] d = 2 * d VAL [A=1073741824, B=1, counter=20, d=1048576, p=524288, q=0, r=1073741824] [L41] EXPR 2 * p [L41] p = 2 * p VAL [A=1073741824, B=1, counter=20, d=1048576, p=1048576, q=0, r=1073741824] [L34] EXPR counter++ VAL [A=1073741824, B=1, counter=21, d=1048576, p=1048576, q=0, r=1073741824] [L34] COND TRUE counter++<100 [L35] CALL __VERIFIER_assert(q == 0) VAL [counter=21] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=21] [L35] RET __VERIFIER_assert(q == 0) VAL [A=1073741824, B=1, counter=21, d=1048576, p=1048576, q=0, r=1073741824] [L36] CALL __VERIFIER_assert(r == A) VAL [counter=21] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=21] [L36] RET __VERIFIER_assert(r == A) VAL [A=1073741824, B=1, counter=21, d=1048576, p=1048576, q=0, r=1073741824] [L37] EXPR B * p VAL [A=1073741824, B=1, counter=21, d=1048576, p=1048576, q=0, r=1073741824] [L37] CALL __VERIFIER_assert(d == B * p) VAL [counter=21] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=21] [L37] RET __VERIFIER_assert(d == B * p) VAL [A=1073741824, B=1, counter=21, d=1048576, p=1048576, q=0, r=1073741824] [L38] COND FALSE !(!(r >= d)) VAL [A=1073741824, B=1, counter=21, d=1048576, p=1048576, q=0, r=1073741824] [L40] EXPR 2 * d [L40] d = 2 * d VAL [A=1073741824, B=1, counter=21, d=2097152, p=1048576, q=0, r=1073741824] [L41] EXPR 2 * p [L41] p = 2 * p VAL [A=1073741824, B=1, counter=21, d=2097152, p=2097152, q=0, r=1073741824] [L34] EXPR counter++ VAL [A=1073741824, B=1, counter=22, d=2097152, p=2097152, q=0, r=1073741824] [L34] COND TRUE counter++<100 [L35] CALL __VERIFIER_assert(q == 0) VAL [counter=22] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=22] [L35] RET __VERIFIER_assert(q == 0) VAL [A=1073741824, B=1, counter=22, d=2097152, p=2097152, q=0, r=1073741824] [L36] CALL __VERIFIER_assert(r == A) VAL [counter=22] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=22] [L36] RET __VERIFIER_assert(r == A) VAL [A=1073741824, B=1, counter=22, d=2097152, p=2097152, q=0, r=1073741824] [L37] EXPR B * p VAL [A=1073741824, B=1, counter=22, d=2097152, p=2097152, q=0, r=1073741824] [L37] CALL __VERIFIER_assert(d == B * p) VAL [counter=22] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=22] [L37] RET __VERIFIER_assert(d == B * p) VAL [A=1073741824, B=1, counter=22, d=2097152, p=2097152, q=0, r=1073741824] [L38] COND FALSE !(!(r >= d)) VAL [A=1073741824, B=1, counter=22, d=2097152, p=2097152, q=0, r=1073741824] [L40] EXPR 2 * d [L40] d = 2 * d VAL [A=1073741824, B=1, counter=22, d=4194304, p=2097152, q=0, r=1073741824] [L41] EXPR 2 * p [L41] p = 2 * p VAL [A=1073741824, B=1, counter=22, d=4194304, p=4194304, q=0, r=1073741824] [L34] EXPR counter++ VAL [A=1073741824, B=1, counter=23, d=4194304, p=4194304, q=0, r=1073741824] [L34] COND TRUE counter++<100 [L35] CALL __VERIFIER_assert(q == 0) VAL [counter=23] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=23] [L35] RET __VERIFIER_assert(q == 0) VAL [A=1073741824, B=1, counter=23, d=4194304, p=4194304, q=0, r=1073741824] [L36] CALL __VERIFIER_assert(r == A) VAL [counter=23] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=23] [L36] RET __VERIFIER_assert(r == A) VAL [A=1073741824, B=1, counter=23, d=4194304, p=4194304, q=0, r=1073741824] [L37] EXPR B * p VAL [A=1073741824, B=1, counter=23, d=4194304, p=4194304, q=0, r=1073741824] [L37] CALL __VERIFIER_assert(d == B * p) VAL [counter=23] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=23] [L37] RET __VERIFIER_assert(d == B * p) VAL [A=1073741824, B=1, counter=23, d=4194304, p=4194304, q=0, r=1073741824] [L38] COND FALSE !(!(r >= d)) VAL [A=1073741824, B=1, counter=23, d=4194304, p=4194304, q=0, r=1073741824] [L40] EXPR 2 * d [L40] d = 2 * d VAL [A=1073741824, B=1, counter=23, d=8388608, p=4194304, q=0, r=1073741824] [L41] EXPR 2 * p [L41] p = 2 * p VAL [A=1073741824, B=1, counter=23, d=8388608, p=8388608, q=0, r=1073741824] [L34] EXPR counter++ VAL [A=1073741824, B=1, counter=24, d=8388608, p=8388608, q=0, r=1073741824] [L34] COND TRUE counter++<100 [L35] CALL __VERIFIER_assert(q == 0) VAL [counter=24] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=24] [L35] RET __VERIFIER_assert(q == 0) VAL [A=1073741824, B=1, counter=24, d=8388608, p=8388608, q=0, r=1073741824] [L36] CALL __VERIFIER_assert(r == A) VAL [counter=24] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=24] [L36] RET __VERIFIER_assert(r == A) VAL [A=1073741824, B=1, counter=24, d=8388608, p=8388608, q=0, r=1073741824] [L37] EXPR B * p VAL [A=1073741824, B=1, counter=24, d=8388608, p=8388608, q=0, r=1073741824] [L37] CALL __VERIFIER_assert(d == B * p) VAL [counter=24] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=24] [L37] RET __VERIFIER_assert(d == B * p) VAL [A=1073741824, B=1, counter=24, d=8388608, p=8388608, q=0, r=1073741824] [L38] COND FALSE !(!(r >= d)) VAL [A=1073741824, B=1, counter=24, d=8388608, p=8388608, q=0, r=1073741824] [L40] EXPR 2 * d [L40] d = 2 * d VAL [A=1073741824, B=1, counter=24, d=16777216, p=8388608, q=0, r=1073741824] [L41] EXPR 2 * p [L41] p = 2 * p VAL [A=1073741824, B=1, counter=24, d=16777216, p=16777216, q=0, r=1073741824] [L34] EXPR counter++ VAL [A=1073741824, B=1, counter=25, d=16777216, p=16777216, q=0, r=1073741824] [L34] COND TRUE counter++<100 [L35] CALL __VERIFIER_assert(q == 0) VAL [counter=25] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=25] [L35] RET __VERIFIER_assert(q == 0) VAL [A=1073741824, B=1, counter=25, d=16777216, p=16777216, q=0, r=1073741824] [L36] CALL __VERIFIER_assert(r == A) VAL [counter=25] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=25] [L36] RET __VERIFIER_assert(r == A) VAL [A=1073741824, B=1, counter=25, d=16777216, p=16777216, q=0, r=1073741824] [L37] EXPR B * p VAL [A=1073741824, B=1, counter=25, d=16777216, p=16777216, q=0, r=1073741824] [L37] CALL __VERIFIER_assert(d == B * p) VAL [counter=25] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=25] [L37] RET __VERIFIER_assert(d == B * p) VAL [A=1073741824, B=1, counter=25, d=16777216, p=16777216, q=0, r=1073741824] [L38] COND FALSE !(!(r >= d)) VAL [A=1073741824, B=1, counter=25, d=16777216, p=16777216, q=0, r=1073741824] [L40] EXPR 2 * d [L40] d = 2 * d VAL [A=1073741824, B=1, counter=25, d=33554432, p=16777216, q=0, r=1073741824] [L41] EXPR 2 * p [L41] p = 2 * p VAL [A=1073741824, B=1, counter=25, d=33554432, p=33554432, q=0, r=1073741824] [L34] EXPR counter++ VAL [A=1073741824, B=1, counter=26, d=33554432, p=33554432, q=0, r=1073741824] [L34] COND TRUE counter++<100 [L35] CALL __VERIFIER_assert(q == 0) VAL [counter=26] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=26] [L35] RET __VERIFIER_assert(q == 0) VAL [A=1073741824, B=1, counter=26, d=33554432, p=33554432, q=0, r=1073741824] [L36] CALL __VERIFIER_assert(r == A) VAL [counter=26] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=26] [L36] RET __VERIFIER_assert(r == A) VAL [A=1073741824, B=1, counter=26, d=33554432, p=33554432, q=0, r=1073741824] [L37] EXPR B * p VAL [A=1073741824, B=1, counter=26, d=33554432, p=33554432, q=0, r=1073741824] [L37] CALL __VERIFIER_assert(d == B * p) VAL [counter=26] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=26] [L37] RET __VERIFIER_assert(d == B * p) VAL [A=1073741824, B=1, counter=26, d=33554432, p=33554432, q=0, r=1073741824] [L38] COND FALSE !(!(r >= d)) VAL [A=1073741824, B=1, counter=26, d=33554432, p=33554432, q=0, r=1073741824] [L40] EXPR 2 * d [L40] d = 2 * d VAL [A=1073741824, B=1, counter=26, d=67108864, p=33554432, q=0, r=1073741824] [L41] EXPR 2 * p [L41] p = 2 * p VAL [A=1073741824, B=1, counter=26, d=67108864, p=67108864, q=0, r=1073741824] [L34] EXPR counter++ VAL [A=1073741824, B=1, counter=27, d=67108864, p=67108864, q=0, r=1073741824] [L34] COND TRUE counter++<100 [L35] CALL __VERIFIER_assert(q == 0) VAL [counter=27] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=27] [L35] RET __VERIFIER_assert(q == 0) VAL [A=1073741824, B=1, counter=27, d=67108864, p=67108864, q=0, r=1073741824] [L36] CALL __VERIFIER_assert(r == A) VAL [counter=27] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=27] [L36] RET __VERIFIER_assert(r == A) VAL [A=1073741824, B=1, counter=27, d=67108864, p=67108864, q=0, r=1073741824] [L37] EXPR B * p VAL [A=1073741824, B=1, counter=27, d=67108864, p=67108864, q=0, r=1073741824] [L37] CALL __VERIFIER_assert(d == B * p) VAL [counter=27] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=27] [L37] RET __VERIFIER_assert(d == B * p) VAL [A=1073741824, B=1, counter=27, d=67108864, p=67108864, q=0, r=1073741824] [L38] COND FALSE !(!(r >= d)) VAL [A=1073741824, B=1, counter=27, d=67108864, p=67108864, q=0, r=1073741824] [L40] EXPR 2 * d [L40] d = 2 * d VAL [A=1073741824, B=1, counter=27, d=134217728, p=67108864, q=0, r=1073741824] [L41] EXPR 2 * p [L41] p = 2 * p VAL [A=1073741824, B=1, counter=27, d=134217728, p=134217728, q=0, r=1073741824] [L34] EXPR counter++ VAL [A=1073741824, B=1, counter=28, d=134217728, p=134217728, q=0, r=1073741824] [L34] COND TRUE counter++<100 [L35] CALL __VERIFIER_assert(q == 0) VAL [counter=28] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=28] [L35] RET __VERIFIER_assert(q == 0) VAL [A=1073741824, B=1, counter=28, d=134217728, p=134217728, q=0, r=1073741824] [L36] CALL __VERIFIER_assert(r == A) VAL [counter=28] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=28] [L36] RET __VERIFIER_assert(r == A) VAL [A=1073741824, B=1, counter=28, d=134217728, p=134217728, q=0, r=1073741824] [L37] EXPR B * p VAL [A=1073741824, B=1, counter=28, d=134217728, p=134217728, q=0, r=1073741824] [L37] CALL __VERIFIER_assert(d == B * p) VAL [counter=28] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=28] [L37] RET __VERIFIER_assert(d == B * p) VAL [A=1073741824, B=1, counter=28, d=134217728, p=134217728, q=0, r=1073741824] [L38] COND FALSE !(!(r >= d)) VAL [A=1073741824, B=1, counter=28, d=134217728, p=134217728, q=0, r=1073741824] [L40] EXPR 2 * d [L40] d = 2 * d VAL [A=1073741824, B=1, counter=28, d=268435456, p=134217728, q=0, r=1073741824] [L41] EXPR 2 * p [L41] p = 2 * p VAL [A=1073741824, B=1, counter=28, d=268435456, p=268435456, q=0, r=1073741824] [L34] EXPR counter++ VAL [A=1073741824, B=1, counter=29, d=268435456, p=268435456, q=0, r=1073741824] [L34] COND TRUE counter++<100 [L35] CALL __VERIFIER_assert(q == 0) VAL [counter=29] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=29] [L35] RET __VERIFIER_assert(q == 0) VAL [A=1073741824, B=1, counter=29, d=268435456, p=268435456, q=0, r=1073741824] [L36] CALL __VERIFIER_assert(r == A) VAL [counter=29] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=29] [L36] RET __VERIFIER_assert(r == A) VAL [A=1073741824, B=1, counter=29, d=268435456, p=268435456, q=0, r=1073741824] [L37] EXPR B * p VAL [A=1073741824, B=1, counter=29, d=268435456, p=268435456, q=0, r=1073741824] [L37] CALL __VERIFIER_assert(d == B * p) VAL [counter=29] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=29] [L37] RET __VERIFIER_assert(d == B * p) VAL [A=1073741824, B=1, counter=29, d=268435456, p=268435456, q=0, r=1073741824] [L38] COND FALSE !(!(r >= d)) VAL [A=1073741824, B=1, counter=29, d=268435456, p=268435456, q=0, r=1073741824] [L40] EXPR 2 * d [L40] d = 2 * d VAL [A=1073741824, B=1, counter=29, d=536870912, p=268435456, q=0, r=1073741824] [L41] EXPR 2 * p [L41] p = 2 * p VAL [A=1073741824, B=1, counter=29, d=536870912, p=536870912, q=0, r=1073741824] [L34] EXPR counter++ VAL [A=1073741824, B=1, counter=30, d=536870912, p=536870912, q=0, r=1073741824] [L34] COND TRUE counter++<100 [L35] CALL __VERIFIER_assert(q == 0) VAL [counter=30] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=30] [L35] RET __VERIFIER_assert(q == 0) VAL [A=1073741824, B=1, counter=30, d=536870912, p=536870912, q=0, r=1073741824] [L36] CALL __VERIFIER_assert(r == A) VAL [counter=30] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=30] [L36] RET __VERIFIER_assert(r == A) VAL [A=1073741824, B=1, counter=30, d=536870912, p=536870912, q=0, r=1073741824] [L37] EXPR B * p VAL [A=1073741824, B=1, counter=30, d=536870912, p=536870912, q=0, r=1073741824] [L37] CALL __VERIFIER_assert(d == B * p) VAL [counter=30] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=30] [L37] RET __VERIFIER_assert(d == B * p) VAL [A=1073741824, B=1, counter=30, d=536870912, p=536870912, q=0, r=1073741824] [L38] COND FALSE !(!(r >= d)) VAL [A=1073741824, B=1, counter=30, d=536870912, p=536870912, q=0, r=1073741824] [L40] EXPR 2 * d [L40] d = 2 * d VAL [A=1073741824, B=1, counter=30, d=1073741824, p=536870912, q=0, r=1073741824] [L41] EXPR 2 * p [L41] p = 2 * p VAL [A=1073741824, B=1, counter=30, d=1073741824, p=1073741824, q=0, r=1073741824] [L34] EXPR counter++ VAL [A=1073741824, B=1, counter=31, d=1073741824, p=1073741824, q=0, r=1073741824] [L34] COND TRUE counter++<100 [L35] CALL __VERIFIER_assert(q == 0) VAL [counter=31] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=31] [L35] RET __VERIFIER_assert(q == 0) VAL [A=1073741824, B=1, counter=31, d=1073741824, p=1073741824, q=0, r=1073741824] [L36] CALL __VERIFIER_assert(r == A) VAL [counter=31] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=31] [L36] RET __VERIFIER_assert(r == A) VAL [A=1073741824, B=1, counter=31, d=1073741824, p=1073741824, q=0, r=1073741824] [L37] EXPR B * p VAL [A=1073741824, B=1, counter=31, d=1073741824, p=1073741824, q=0, r=1073741824] [L37] CALL __VERIFIER_assert(d == B * p) VAL [counter=31] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=31] [L37] RET __VERIFIER_assert(d == B * p) VAL [A=1073741824, B=1, counter=31, d=1073741824, p=1073741824, q=0, r=1073741824] [L38] COND FALSE !(!(r >= d)) VAL [A=1073741824, B=1, counter=31, d=1073741824, p=1073741824, q=0, r=1073741824] [L40] 2 * d VAL [A=1073741824, B=1, counter=31, p=1073741824, q=0, r=1073741824] - UnprovableResult [Line: 34]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 34]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 37]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 37]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 40]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 41]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 41]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 45]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 45]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 45]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 45]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 46]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 46]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 50]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 50]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 51]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 51]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 53]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 53]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 54]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 54]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 58]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 58]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 58]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 58]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 82 locations, 28 error locations. Started 1 CEGAR loops. OverallTime: 619.6s, OverallIterations: 86, TraceHistogramMax: 93, PathProgramHistogramMax: 10, EmptinessCheckTime: 0.1s, AutomataDifference: 271.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 36069 SdHoareTripleChecker+Valid, 71.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 35617 mSDsluCounter, 55572 SdHoareTripleChecker+Invalid, 63.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 49441 mSDsCounter, 4816 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 64009 IncrementalHoareTripleChecker+Invalid, 68825 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4816 mSolverCounterUnsat, 6131 mSDtfsCounter, 64009 mSolverCounterSat, 0.5s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 29239 GetRequests, 25077 SyntacticMatches, 40 SemanticMatches, 4122 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 183856 ImplicationChecksByTransitivity, 234.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11657occurred in iteration=85, InterpolantAutomatonStates: 3134, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 53.7s AutomataMinimizationTime, 85 MinimizatonAttempts, 29404 StatesRemovedByMinimization, 78 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.9s SsaConstructionTime, 13.4s SatisfiabilityAnalysisTime, 261.8s InterpolantComputationTime, 34076 NumberOfCodeBlocks, 32305 NumberOfCodeBlocksAsserted, 643 NumberOfCheckSat, 39851 ConstructedInterpolants, 0 QuantifiedInterpolants, 168185 SizeOfPredicates, 596 NumberOfNonLiveVariables, 27203 ConjunctsInSsa, 1473 ConjunctsInUnsatCore, 175 InterpolantComputations, 28 PerfectInterpolantSequences, 245049/385472 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-12-02 12:46:45,237 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2024-12-02 12:46:45,289 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae78b12e-5005-4535-8e81-0aa46123482a/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)