./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound1.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_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB --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 1009b309b84d3a678e4f12db10e873a2b96e065352111c00074b04d416cca18d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:16:20,104 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:16:20,165 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-28 04:16:20,171 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:16:20,171 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:16:20,198 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:16:20,198 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:16:20,198 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:16:20,199 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:16:20,199 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:16:20,199 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:16:20,199 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:16:20,199 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:16:20,200 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:16:20,200 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:16:20,200 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:16:20,200 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:16:20,200 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:16:20,200 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:16:20,200 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:16:20,201 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:16:20,201 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:16:20,201 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:16:20,201 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:16:20,201 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-28 04:16:20,201 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 04:16:20,202 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:16:20,202 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:16:20,202 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:16:20,202 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:16:20,202 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:16:20,202 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:16:20,202 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:16:20,202 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:16:20,203 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:16:20,203 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:16:20,203 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:16:20,203 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:16:20,203 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:16:20,203 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:16:20,203 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:16:20,203 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:16:20,204 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:16:20,204 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:16:20,204 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 04:16:20,204 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 04:16:20,204 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:16:20,204 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:16:20,204 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:16:20,204 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:16:20,204 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_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 1009b309b84d3a678e4f12db10e873a2b96e065352111c00074b04d416cca18d [2024-11-28 04:16:20,570 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:16:20,584 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:16:20,587 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:16:20,588 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:16:20,588 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:16:20,590 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound1.c [2024-11-28 04:16:23,549 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/data/c0408ff55/ee00ef3b0763423b87ec9101ecda6747/FLAG4a66a7e25 [2024-11-28 04:16:23,866 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:16:23,866 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound1.c [2024-11-28 04:16:23,894 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/data/c0408ff55/ee00ef3b0763423b87ec9101ecda6747/FLAG4a66a7e25 [2024-11-28 04:16:23,936 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/data/c0408ff55/ee00ef3b0763423b87ec9101ecda6747 [2024-11-28 04:16:23,941 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:16:23,944 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:16:23,945 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:16:23,946 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:16:23,959 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:16:23,960 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:16:23" (1/1) ... [2024-11-28 04:16:23,962 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46207ff3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:16:23, skipping insertion in model container [2024-11-28 04:16:23,962 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:16:23" (1/1) ... [2024-11-28 04:16:23,982 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:16:24,209 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:16:24,226 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:16:24,266 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:16:24,293 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:16:24,294 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:16:24 WrapperNode [2024-11-28 04:16:24,294 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:16:24,295 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:16:24,295 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:16:24,295 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:16:24,303 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:16:24" (1/1) ... [2024-11-28 04:16:24,315 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:16:24" (1/1) ... [2024-11-28 04:16:24,359 INFO L138 Inliner]: procedures = 14, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 191 [2024-11-28 04:16:24,359 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:16:24,364 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:16:24,364 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:16:24,364 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:16:24,380 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:16:24" (1/1) ... [2024-11-28 04:16:24,380 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:16:24" (1/1) ... [2024-11-28 04:16:24,383 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:16:24" (1/1) ... [2024-11-28 04:16:24,405 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-28 04:16:24,405 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:16:24" (1/1) ... [2024-11-28 04:16:24,410 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:16:24" (1/1) ... [2024-11-28 04:16:24,417 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:16:24" (1/1) ... [2024-11-28 04:16:24,419 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:16:24" (1/1) ... [2024-11-28 04:16:24,426 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:16:24" (1/1) ... [2024-11-28 04:16:24,428 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:16:24" (1/1) ... [2024-11-28 04:16:24,431 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:16:24" (1/1) ... [2024-11-28 04:16:24,437 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:16:24,438 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:16:24,440 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:16:24,440 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:16:24,441 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:16:24" (1/1) ... [2024-11-28 04:16:24,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:16:24,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:16:24,481 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:16:24,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:16:24,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:16:24,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 04:16:24,513 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:16:24,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:16:24,513 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-28 04:16:24,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-28 04:16:24,579 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:16:24,581 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:16:25,591 INFO L? ?]: Removed 239 outVars from TransFormulas that were not future-live. [2024-11-28 04:16:25,591 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:16:25,619 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:16:25,619 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 04:16:25,620 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:16:25 BoogieIcfgContainer [2024-11-28 04:16:25,620 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:16:25,622 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:16:25,622 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:16:25,628 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:16:25,629 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:16:23" (1/3) ... [2024-11-28 04:16:25,630 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53369aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:16:25, skipping insertion in model container [2024-11-28 04:16:25,630 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:16:24" (2/3) ... [2024-11-28 04:16:25,631 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53369aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:16:25, skipping insertion in model container [2024-11-28 04:16:25,631 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:16:25" (3/3) ... [2024-11-28 04:16:25,632 INFO L128 eAbstractionObserver]: Analyzing ICFG cohencu-ll_valuebound1.c [2024-11-28 04:16:25,651 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:16:25,653 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG cohencu-ll_valuebound1.c that has 2 procedures, 302 locations, 1 initial locations, 1 loop locations, and 138 error locations. [2024-11-28 04:16:25,731 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:16:25,747 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;@4479a7e3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:16:25,747 INFO L334 AbstractCegarLoop]: Starting to check reachability of 138 error locations. [2024-11-28 04:16:25,755 INFO L276 IsEmpty]: Start isEmpty. Operand has 302 states, 151 states have (on average 1.9470198675496688) internal successors, (294), 289 states have internal predecessors, (294), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-28 04:16:25,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-28 04:16:25,760 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:16:25,761 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-28 04:16:25,761 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-28 04:16:25,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:16:25,768 INFO L85 PathProgramCache]: Analyzing trace with hash 28693835, now seen corresponding path program 1 times [2024-11-28 04:16:25,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:16:25,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679685587] [2024-11-28 04:16:25,777 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:16:25,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:16:25,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:16:25,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:16:25,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:16:25,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679685587] [2024-11-28 04:16:25,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1679685587] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:16:25,944 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:16:25,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:16:25,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361383107] [2024-11-28 04:16:25,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:16:25,953 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 04:16:25,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:16:25,979 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 04:16:25,980 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:16:25,983 INFO L87 Difference]: Start difference. First operand has 302 states, 151 states have (on average 1.9470198675496688) internal successors, (294), 289 states have internal predecessors, (294), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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) [2024-11-28 04:16:26,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:16:26,039 INFO L93 Difference]: Finished difference Result 593 states and 638 transitions. [2024-11-28 04:16:26,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 04:16:26,044 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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 5 [2024-11-28 04:16:26,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:16:26,056 INFO L225 Difference]: With dead ends: 593 [2024-11-28 04:16:26,057 INFO L226 Difference]: Without dead ends: 288 [2024-11-28 04:16:26,064 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:16:26,067 INFO L435 NwaCegarLoop]: 304 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:16:26,068 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 304 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:16:26,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2024-11-28 04:16:26,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 288. [2024-11-28 04:16:26,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 146 states have (on average 1.8972602739726028) internal successors, (277), 276 states have internal predecessors, (277), 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) [2024-11-28 04:16:26,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 297 transitions. [2024-11-28 04:16:26,167 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 297 transitions. Word has length 5 [2024-11-28 04:16:26,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:16:26,167 INFO L471 AbstractCegarLoop]: Abstraction has 288 states and 297 transitions. [2024-11-28 04:16:26,168 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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) [2024-11-28 04:16:26,168 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 297 transitions. [2024-11-28 04:16:26,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-28 04:16:26,168 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:16:26,169 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-28 04:16:26,169 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 04:16:26,169 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-28 04:16:26,170 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:16:26,170 INFO L85 PathProgramCache]: Analyzing trace with hash 28695757, now seen corresponding path program 1 times [2024-11-28 04:16:26,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:16:26,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285959049] [2024-11-28 04:16:26,171 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:16:26,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:16:26,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:16:26,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:16:26,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:16:26,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285959049] [2024-11-28 04:16:26,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [285959049] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:16:26,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:16:26,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:16:26,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671781039] [2024-11-28 04:16:26,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:16:26,253 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:16:26,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:16:26,254 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:16:26,255 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:16:26,255 INFO L87 Difference]: Start difference. First operand 288 states and 297 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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) [2024-11-28 04:16:26,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:16:26,508 INFO L93 Difference]: Finished difference Result 556 states and 575 transitions. [2024-11-28 04:16:26,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:16:26,508 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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 5 [2024-11-28 04:16:26,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:16:26,511 INFO L225 Difference]: With dead ends: 556 [2024-11-28 04:16:26,512 INFO L226 Difference]: Without dead ends: 536 [2024-11-28 04:16:26,512 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 [2024-11-28 04:16:26,513 INFO L435 NwaCegarLoop]: 271 mSDtfsCounter, 237 mSDsluCounter, 249 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 520 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:16:26,514 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 520 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 04:16:26,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2024-11-28 04:16:26,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 346. [2024-11-28 04:16:26,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 346 states, 199 states have (on average 1.7989949748743719) internal successors, (358), 329 states have internal predecessors, (358), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-28 04:16:26,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 388 transitions. [2024-11-28 04:16:26,550 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 388 transitions. Word has length 5 [2024-11-28 04:16:26,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:16:26,550 INFO L471 AbstractCegarLoop]: Abstraction has 346 states and 388 transitions. [2024-11-28 04:16:26,550 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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) [2024-11-28 04:16:26,550 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 388 transitions. [2024-11-28 04:16:26,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-28 04:16:26,551 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:16:26,552 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, 1, 1, 1, 1, 1, 1] [2024-11-28 04:16:26,552 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 04:16:26,552 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-28 04:16:26,553 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:16:26,553 INFO L85 PathProgramCache]: Analyzing trace with hash 1949328612, now seen corresponding path program 1 times [2024-11-28 04:16:26,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:16:26,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73207072] [2024-11-28 04:16:26,553 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:16:26,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:16:26,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 04:16:26,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1854117337] [2024-11-28 04:16:26,591 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:16:26,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:16:26,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:16:26,593 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:16:26,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 04:16:26,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:16:26,685 INFO L256 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 04:16:26,690 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:16:26,927 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-28 04:16:26,927 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:16:26,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:16:26,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73207072] [2024-11-28 04:16:26,928 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 04:16:26,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1854117337] [2024-11-28 04:16:26,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1854117337] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:16:26,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:16:26,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:16:26,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687423174] [2024-11-28 04:16:26,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:16:26,929 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:16:26,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:16:26,933 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:16:26,934 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:16:26,934 INFO L87 Difference]: Start difference. First operand 346 states and 388 transitions. Second operand has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 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) [2024-11-28 04:16:27,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:16:27,743 INFO L93 Difference]: Finished difference Result 506 states and 563 transitions. [2024-11-28 04:16:27,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:16:27,744 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 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 38 [2024-11-28 04:16:27,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:16:27,747 INFO L225 Difference]: With dead ends: 506 [2024-11-28 04:16:27,747 INFO L226 Difference]: Without dead ends: 451 [2024-11-28 04:16:27,747 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:16:27,748 INFO L435 NwaCegarLoop]: 164 mSDtfsCounter, 134 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 326 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 267 SdHoareTripleChecker+Invalid, 380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-28 04:16:27,749 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 267 Invalid, 380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 326 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-28 04:16:27,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2024-11-28 04:16:27,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 431. [2024-11-28 04:16:27,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 431 states, 279 states have (on average 1.6523297491039426) internal successors, (461), 409 states have internal predecessors, (461), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-28 04:16:27,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 501 transitions. [2024-11-28 04:16:27,790 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 501 transitions. Word has length 38 [2024-11-28 04:16:27,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:16:27,790 INFO L471 AbstractCegarLoop]: Abstraction has 431 states and 501 transitions. [2024-11-28 04:16:27,791 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 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) [2024-11-28 04:16:27,791 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 501 transitions. [2024-11-28 04:16:27,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-28 04:16:27,792 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:16:27,792 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:16:27,802 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 04:16:27,996 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:16:27,996 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-28 04:16:27,997 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:16:27,997 INFO L85 PathProgramCache]: Analyzing trace with hash 699057958, now seen corresponding path program 1 times [2024-11-28 04:16:27,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:16:27,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589571555] [2024-11-28 04:16:27,997 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:16:27,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:16:28,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:16:28,182 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-28 04:16:28,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:16:28,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589571555] [2024-11-28 04:16:28,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1589571555] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:16:28,182 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:16:28,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:16:28,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747013642] [2024-11-28 04:16:28,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:16:28,183 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:16:28,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:16:28,183 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:16:28,183 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:16:28,184 INFO L87 Difference]: Start difference. First operand 431 states and 501 transitions. Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 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) [2024-11-28 04:16:28,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:16:28,614 INFO L93 Difference]: Finished difference Result 464 states and 508 transitions. [2024-11-28 04:16:28,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:16:28,614 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 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 40 [2024-11-28 04:16:28,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:16:28,617 INFO L225 Difference]: With dead ends: 464 [2024-11-28 04:16:28,617 INFO L226 Difference]: Without dead ends: 441 [2024-11-28 04:16:28,617 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 [2024-11-28 04:16:28,618 INFO L435 NwaCegarLoop]: 225 mSDtfsCounter, 120 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 425 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 04:16:28,619 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 425 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 04:16:28,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2024-11-28 04:16:28,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 431. [2024-11-28 04:16:28,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 431 states, 279 states have (on average 1.5698924731182795) internal successors, (438), 409 states have internal predecessors, (438), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-28 04:16:28,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 478 transitions. [2024-11-28 04:16:28,636 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 478 transitions. Word has length 40 [2024-11-28 04:16:28,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:16:28,636 INFO L471 AbstractCegarLoop]: Abstraction has 431 states and 478 transitions. [2024-11-28 04:16:28,636 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 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) [2024-11-28 04:16:28,636 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 478 transitions. [2024-11-28 04:16:28,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-28 04:16:28,637 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:16:28,637 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:16:28,638 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 04:16:28,638 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-28 04:16:28,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:16:28,638 INFO L85 PathProgramCache]: Analyzing trace with hash 1779802472, now seen corresponding path program 1 times [2024-11-28 04:16:28,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:16:28,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543093049] [2024-11-28 04:16:28,639 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:16:28,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:16:28,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:16:28,751 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-28 04:16:28,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:16:28,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543093049] [2024-11-28 04:16:28,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [543093049] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:16:28,751 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:16:28,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:16:28,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265238563] [2024-11-28 04:16:28,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:16:28,752 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:16:28,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:16:28,753 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:16:28,753 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:16:28,753 INFO L87 Difference]: Start difference. First operand 431 states and 478 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 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) [2024-11-28 04:16:29,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:16:29,228 INFO L93 Difference]: Finished difference Result 443 states and 485 transitions. [2024-11-28 04:16:29,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:16:29,229 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 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 42 [2024-11-28 04:16:29,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:16:29,231 INFO L225 Difference]: With dead ends: 443 [2024-11-28 04:16:29,231 INFO L226 Difference]: Without dead ends: 441 [2024-11-28 04:16:29,232 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:16:29,232 INFO L435 NwaCegarLoop]: 167 mSDtfsCounter, 252 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 367 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 04:16:29,233 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [262 Valid, 367 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 228 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 04:16:29,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2024-11-28 04:16:29,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 431. [2024-11-28 04:16:29,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 431 states, 279 states have (on average 1.5627240143369177) internal successors, (436), 409 states have internal predecessors, (436), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-28 04:16:29,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 476 transitions. [2024-11-28 04:16:29,250 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 476 transitions. Word has length 42 [2024-11-28 04:16:29,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:16:29,252 INFO L471 AbstractCegarLoop]: Abstraction has 431 states and 476 transitions. [2024-11-28 04:16:29,252 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 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) [2024-11-28 04:16:29,253 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 476 transitions. [2024-11-28 04:16:29,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-28 04:16:29,253 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:16:29,253 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:16:29,254 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 04:16:29,254 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-28 04:16:29,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:16:29,254 INFO L85 PathProgramCache]: Analyzing trace with hash -660698118, now seen corresponding path program 1 times [2024-11-28 04:16:29,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:16:29,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554238094] [2024-11-28 04:16:29,255 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:16:29,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:16:29,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:16:29,435 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-28 04:16:29,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:16:29,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554238094] [2024-11-28 04:16:29,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [554238094] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:16:29,436 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:16:29,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:16:29,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031430958] [2024-11-28 04:16:29,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:16:29,437 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:16:29,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:16:29,441 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:16:29,441 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:16:29,441 INFO L87 Difference]: Start difference. First operand 431 states and 476 transitions. Second operand has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 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) [2024-11-28 04:16:31,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:16:31,107 INFO L93 Difference]: Finished difference Result 443 states and 483 transitions. [2024-11-28 04:16:31,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:16:31,107 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 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 43 [2024-11-28 04:16:31,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:16:31,110 INFO L225 Difference]: With dead ends: 443 [2024-11-28 04:16:31,110 INFO L226 Difference]: Without dead ends: 441 [2024-11-28 04:16:31,110 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:16:31,111 INFO L435 NwaCegarLoop]: 169 mSDtfsCounter, 136 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 441 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 441 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-28 04:16:31,112 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 448 Invalid, 443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 441 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-28 04:16:31,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2024-11-28 04:16:31,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 431. [2024-11-28 04:16:31,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 431 states, 279 states have (on average 1.5555555555555556) internal successors, (434), 409 states have internal predecessors, (434), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-28 04:16:31,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 474 transitions. [2024-11-28 04:16:31,135 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 474 transitions. Word has length 43 [2024-11-28 04:16:31,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:16:31,135 INFO L471 AbstractCegarLoop]: Abstraction has 431 states and 474 transitions. [2024-11-28 04:16:31,135 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 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) [2024-11-28 04:16:31,135 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 474 transitions. [2024-11-28 04:16:31,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-28 04:16:31,136 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:16:31,136 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:16:31,137 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 04:16:31,137 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-28 04:16:31,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:16:31,137 INFO L85 PathProgramCache]: Analyzing trace with hash 977583596, now seen corresponding path program 1 times [2024-11-28 04:16:31,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:16:31,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52109266] [2024-11-28 04:16:31,138 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:16:31,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:16:31,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 04:16:31,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [789964856] [2024-11-28 04:16:31,177 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:16:31,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:16:31,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:16:31,180 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:16:31,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 04:16:31,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:16:31,241 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 04:16:31,243 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:16:31,537 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-28 04:16:31,537 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:16:31,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:16:31,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52109266] [2024-11-28 04:16:31,538 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 04:16:31,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [789964856] [2024-11-28 04:16:31,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [789964856] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:16:31,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:16:31,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:16:31,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916653360] [2024-11-28 04:16:31,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:16:31,539 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:16:31,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:16:31,540 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:16:31,540 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:16:31,540 INFO L87 Difference]: Start difference. First operand 431 states and 474 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, (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) [2024-11-28 04:16:32,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:16:32,137 INFO L93 Difference]: Finished difference Result 448 states and 481 transitions. [2024-11-28 04:16:32,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:16:32,138 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, (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 46 [2024-11-28 04:16:32,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:16:32,140 INFO L225 Difference]: With dead ends: 448 [2024-11-28 04:16:32,140 INFO L226 Difference]: Without dead ends: 439 [2024-11-28 04:16:32,141 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:16:32,141 INFO L435 NwaCegarLoop]: 178 mSDtfsCounter, 112 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 336 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 257 SdHoareTripleChecker+Invalid, 344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 04:16:32,142 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 257 Invalid, 344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 336 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 04:16:32,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2024-11-28 04:16:32,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 434. [2024-11-28 04:16:32,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 434 states, 282 states have (on average 1.5283687943262412) internal successors, (431), 412 states have internal predecessors, (431), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-28 04:16:32,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 471 transitions. [2024-11-28 04:16:32,163 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 471 transitions. Word has length 46 [2024-11-28 04:16:32,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:16:32,163 INFO L471 AbstractCegarLoop]: Abstraction has 434 states and 471 transitions. [2024-11-28 04:16:32,164 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, (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) [2024-11-28 04:16:32,164 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 471 transitions. [2024-11-28 04:16:32,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-28 04:16:32,164 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:16:32,165 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:16:32,176 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-28 04:16:32,369 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:16:32,369 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-28 04:16:32,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:16:32,370 INFO L85 PathProgramCache]: Analyzing trace with hash 240320510, now seen corresponding path program 1 times [2024-11-28 04:16:32,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:16:32,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582561786] [2024-11-28 04:16:32,370 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:16:32,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:16:32,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:16:32,507 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-28 04:16:32,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:16:32,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582561786] [2024-11-28 04:16:32,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582561786] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:16:32,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:16:32,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:16:32,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206101732] [2024-11-28 04:16:32,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:16:32,509 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:16:32,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:16:32,510 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:16:32,510 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:16:32,510 INFO L87 Difference]: Start difference. First operand 434 states and 471 transitions. Second operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 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) [2024-11-28 04:16:33,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:16:33,218 INFO L93 Difference]: Finished difference Result 447 states and 472 transitions. [2024-11-28 04:16:33,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:16:33,219 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 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 47 [2024-11-28 04:16:33,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:16:33,221 INFO L225 Difference]: With dead ends: 447 [2024-11-28 04:16:33,221 INFO L226 Difference]: Without dead ends: 441 [2024-11-28 04:16:33,222 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:16:33,222 INFO L435 NwaCegarLoop]: 184 mSDtfsCounter, 132 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 505 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 505 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-28 04:16:33,223 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 384 Invalid, 511 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 505 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-28 04:16:33,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2024-11-28 04:16:33,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 434. [2024-11-28 04:16:33,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 434 states, 282 states have (on average 1.5070921985815602) internal successors, (425), 412 states have internal predecessors, (425), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-28 04:16:33,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 465 transitions. [2024-11-28 04:16:33,244 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 465 transitions. Word has length 47 [2024-11-28 04:16:33,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:16:33,244 INFO L471 AbstractCegarLoop]: Abstraction has 434 states and 465 transitions. [2024-11-28 04:16:33,244 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 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) [2024-11-28 04:16:33,245 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 465 transitions. [2024-11-28 04:16:33,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-28 04:16:33,245 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:16:33,246 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:16:33,246 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 04:16:33,246 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-28 04:16:33,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:16:33,246 INFO L85 PathProgramCache]: Analyzing trace with hash -1393978366, now seen corresponding path program 1 times [2024-11-28 04:16:33,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:16:33,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752456790] [2024-11-28 04:16:33,247 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:16:33,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:16:33,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:16:33,458 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-28 04:16:33,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:16:33,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752456790] [2024-11-28 04:16:33,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1752456790] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:16:33,459 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:16:33,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:16:33,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911014061] [2024-11-28 04:16:33,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:16:33,459 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:16:33,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:16:33,460 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:16:33,460 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:16:33,461 INFO L87 Difference]: Start difference. First operand 434 states and 465 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 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) [2024-11-28 04:16:34,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:16:34,112 INFO L93 Difference]: Finished difference Result 445 states and 466 transitions. [2024-11-28 04:16:34,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:16:34,113 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 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 51 [2024-11-28 04:16:34,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:16:34,115 INFO L225 Difference]: With dead ends: 445 [2024-11-28 04:16:34,115 INFO L226 Difference]: Without dead ends: 372 [2024-11-28 04:16:34,115 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:16:34,116 INFO L435 NwaCegarLoop]: 190 mSDtfsCounter, 226 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 324 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 269 SdHoareTripleChecker+Invalid, 336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 324 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 04:16:34,116 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 269 Invalid, 336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 324 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 04:16:34,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2024-11-28 04:16:34,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 368. [2024-11-28 04:16:34,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 368 states, 219 states have (on average 1.6255707762557077) internal successors, (356), 349 states have internal predecessors, (356), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-28 04:16:34,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 390 transitions. [2024-11-28 04:16:34,133 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 390 transitions. Word has length 51 [2024-11-28 04:16:34,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:16:34,134 INFO L471 AbstractCegarLoop]: Abstraction has 368 states and 390 transitions. [2024-11-28 04:16:34,134 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 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) [2024-11-28 04:16:34,135 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 390 transitions. [2024-11-28 04:16:34,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-28 04:16:34,136 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:16:34,136 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, 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] [2024-11-28 04:16:34,136 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 04:16:34,138 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-28 04:16:34,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:16:34,138 INFO L85 PathProgramCache]: Analyzing trace with hash -1803359996, now seen corresponding path program 1 times [2024-11-28 04:16:34,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:16:34,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757679889] [2024-11-28 04:16:34,139 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:16:34,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:16:34,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:16:34,258 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-28 04:16:34,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:16:34,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757679889] [2024-11-28 04:16:34,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [757679889] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:16:34,259 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:16:34,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:16:34,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387806510] [2024-11-28 04:16:34,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:16:34,260 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:16:34,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:16:34,260 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:16:34,260 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:16:34,260 INFO L87 Difference]: Start difference. First operand 368 states and 390 transitions. Second operand has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 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) [2024-11-28 04:16:34,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:16:34,601 INFO L93 Difference]: Finished difference Result 368 states and 390 transitions. [2024-11-28 04:16:34,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:16:34,601 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 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 83 [2024-11-28 04:16:34,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:16:34,603 INFO L225 Difference]: With dead ends: 368 [2024-11-28 04:16:34,603 INFO L226 Difference]: Without dead ends: 361 [2024-11-28 04:16:34,604 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 [2024-11-28 04:16:34,604 INFO L435 NwaCegarLoop]: 140 mSDtfsCounter, 138 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 04:16:34,605 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 155 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 04:16:34,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2024-11-28 04:16:34,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 361. [2024-11-28 04:16:34,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 361 states, 219 states have (on average 1.5936073059360731) internal successors, (349), 342 states have internal predecessors, (349), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-28 04:16:34,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 383 transitions. [2024-11-28 04:16:34,619 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 383 transitions. Word has length 83 [2024-11-28 04:16:34,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:16:34,619 INFO L471 AbstractCegarLoop]: Abstraction has 361 states and 383 transitions. [2024-11-28 04:16:34,619 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 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) [2024-11-28 04:16:34,620 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 383 transitions. [2024-11-28 04:16:34,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-28 04:16:34,623 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:16:34,623 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, 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, 1] [2024-11-28 04:16:34,624 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 04:16:34,624 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-28 04:16:34,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:16:34,624 INFO L85 PathProgramCache]: Analyzing trace with hash -69584863, now seen corresponding path program 1 times [2024-11-28 04:16:34,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:16:34,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857609823] [2024-11-28 04:16:34,625 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:16:34,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:16:34,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:16:34,724 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-28 04:16:34,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:16:34,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857609823] [2024-11-28 04:16:34,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857609823] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:16:34,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:16:34,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:16:34,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082308049] [2024-11-28 04:16:34,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:16:34,725 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:16:34,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:16:34,726 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:16:34,726 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:16:34,726 INFO L87 Difference]: Start difference. First operand 361 states and 383 transitions. Second operand has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 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) [2024-11-28 04:16:34,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:16:34,977 INFO L93 Difference]: Finished difference Result 368 states and 386 transitions. [2024-11-28 04:16:34,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:16:34,978 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 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 84 [2024-11-28 04:16:34,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:16:34,980 INFO L225 Difference]: With dead ends: 368 [2024-11-28 04:16:34,980 INFO L226 Difference]: Without dead ends: 367 [2024-11-28 04:16:34,980 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 [2024-11-28 04:16:34,981 INFO L435 NwaCegarLoop]: 254 mSDtfsCounter, 24 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 392 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:16:34,981 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 392 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 04:16:34,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2024-11-28 04:16:34,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 363. [2024-11-28 04:16:34,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 221 states have (on average 1.588235294117647) internal successors, (351), 344 states have internal predecessors, (351), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-28 04:16:34,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 385 transitions. [2024-11-28 04:16:34,998 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 385 transitions. Word has length 84 [2024-11-28 04:16:34,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:16:34,998 INFO L471 AbstractCegarLoop]: Abstraction has 363 states and 385 transitions. [2024-11-28 04:16:34,998 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 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) [2024-11-28 04:16:34,999 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 385 transitions. [2024-11-28 04:16:34,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-28 04:16:35,002 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:16:35,003 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 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, 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] [2024-11-28 04:16:35,003 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-28 04:16:35,003 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-28 04:16:35,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:16:35,003 INFO L85 PathProgramCache]: Analyzing trace with hash 2057907944, now seen corresponding path program 1 times [2024-11-28 04:16:35,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:16:35,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323481220] [2024-11-28 04:16:35,004 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:16:35,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:16:35,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:16:35,147 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-28 04:16:35,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:16:35,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323481220] [2024-11-28 04:16:35,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [323481220] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:16:35,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:16:35,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:16:35,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955934194] [2024-11-28 04:16:35,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:16:35,148 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:16:35,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:16:35,148 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:16:35,148 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:16:35,149 INFO L87 Difference]: Start difference. First operand 363 states and 385 transitions. Second operand has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-28 04:16:35,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:16:35,257 INFO L93 Difference]: Finished difference Result 363 states and 385 transitions. [2024-11-28 04:16:35,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:16:35,258 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 86 [2024-11-28 04:16:35,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:16:35,259 INFO L225 Difference]: With dead ends: 363 [2024-11-28 04:16:35,259 INFO L226 Difference]: Without dead ends: 361 [2024-11-28 04:16:35,260 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 [2024-11-28 04:16:35,260 INFO L435 NwaCegarLoop]: 248 mSDtfsCounter, 192 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 262 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:16:35,260 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 262 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:16:35,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2024-11-28 04:16:35,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 361. [2024-11-28 04:16:35,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 361 states, 221 states have (on average 1.5701357466063348) internal successors, (347), 342 states have internal predecessors, (347), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-28 04:16:35,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 381 transitions. [2024-11-28 04:16:35,277 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 381 transitions. Word has length 86 [2024-11-28 04:16:35,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:16:35,277 INFO L471 AbstractCegarLoop]: Abstraction has 361 states and 381 transitions. [2024-11-28 04:16:35,277 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-28 04:16:35,277 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 381 transitions. [2024-11-28 04:16:35,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-28 04:16:35,280 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:16:35,280 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, 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, 1, 1] [2024-11-28 04:16:35,280 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-28 04:16:35,280 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-28 04:16:35,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:16:35,281 INFO L85 PathProgramCache]: Analyzing trace with hash 2137836592, now seen corresponding path program 1 times [2024-11-28 04:16:35,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:16:35,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578830136] [2024-11-28 04:16:35,282 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:16:35,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:16:35,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:16:35,398 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-28 04:16:35,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:16:35,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578830136] [2024-11-28 04:16:35,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578830136] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:16:35,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [184096966] [2024-11-28 04:16:35,399 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:16:35,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:16:35,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:16:35,402 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:16:35,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 04:16:35,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:16:35,460 INFO L256 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 04:16:35,462 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:16:35,585 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-28 04:16:35,585 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:16:35,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [184096966] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:16:35,586 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:16:35,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-28 04:16:35,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807134030] [2024-11-28 04:16:35,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:16:35,586 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:16:35,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:16:35,589 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:16:35,589 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:16:35,589 INFO L87 Difference]: Start difference. First operand 361 states and 381 transitions. Second operand has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 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) [2024-11-28 04:16:35,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:16:35,734 INFO L93 Difference]: Finished difference Result 365 states and 381 transitions. [2024-11-28 04:16:35,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:16:35,735 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 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 [2024-11-28 04:16:35,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:16:35,736 INFO L225 Difference]: With dead ends: 365 [2024-11-28 04:16:35,737 INFO L226 Difference]: Without dead ends: 357 [2024-11-28 04:16:35,737 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:16:35,737 INFO L435 NwaCegarLoop]: 303 mSDtfsCounter, 258 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 270 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:16:35,738 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [270 Valid, 394 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:16:35,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2024-11-28 04:16:35,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 353. [2024-11-28 04:16:35,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 221 states have (on average 1.5339366515837105) internal successors, (339), 334 states have internal predecessors, (339), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-28 04:16:35,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 373 transitions. [2024-11-28 04:16:35,753 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 373 transitions. Word has length 85 [2024-11-28 04:16:35,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:16:35,754 INFO L471 AbstractCegarLoop]: Abstraction has 353 states and 373 transitions. [2024-11-28 04:16:35,754 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 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) [2024-11-28 04:16:35,754 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 373 transitions. [2024-11-28 04:16:35,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-28 04:16:35,755 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:16:35,756 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 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, 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, 1] [2024-11-28 04:16:35,765 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-28 04:16:35,956 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-28 04:16:35,957 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-28 04:16:35,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:16:35,957 INFO L85 PathProgramCache]: Analyzing trace with hash -629362995, now seen corresponding path program 1 times [2024-11-28 04:16:35,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:16:35,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046421727] [2024-11-28 04:16:35,957 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:16:35,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:16:35,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:16:36,055 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-28 04:16:36,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:16:36,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046421727] [2024-11-28 04:16:36,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2046421727] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:16:36,056 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:16:36,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:16:36,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042624234] [2024-11-28 04:16:36,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:16:36,056 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:16:36,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:16:36,057 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:16:36,057 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:16:36,057 INFO L87 Difference]: Start difference. First operand 353 states and 373 transitions. Second operand has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 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) [2024-11-28 04:16:36,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:16:36,262 INFO L93 Difference]: Finished difference Result 357 states and 373 transitions. [2024-11-28 04:16:36,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:16:36,266 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 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 87 [2024-11-28 04:16:36,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:16:36,268 INFO L225 Difference]: With dead ends: 357 [2024-11-28 04:16:36,268 INFO L226 Difference]: Without dead ends: 353 [2024-11-28 04:16:36,268 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:16:36,269 INFO L435 NwaCegarLoop]: 241 mSDtfsCounter, 48 mSDsluCounter, 459 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 700 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:16:36,269 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 700 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 04:16:36,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2024-11-28 04:16:36,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 351. [2024-11-28 04:16:36,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 351 states, 219 states have (on average 1.5296803652968036) internal successors, (335), 332 states have internal predecessors, (335), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-28 04:16:36,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 369 transitions. [2024-11-28 04:16:36,283 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 369 transitions. Word has length 87 [2024-11-28 04:16:36,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:16:36,283 INFO L471 AbstractCegarLoop]: Abstraction has 351 states and 369 transitions. [2024-11-28 04:16:36,283 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 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) [2024-11-28 04:16:36,283 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 369 transitions. [2024-11-28 04:16:36,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-28 04:16:36,284 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:16:36,284 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 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, 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, 1, 1, 1] [2024-11-28 04:16:36,284 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-28 04:16:36,284 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-28 04:16:36,285 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:16:36,285 INFO L85 PathProgramCache]: Analyzing trace with hash 1848424963, now seen corresponding path program 1 times [2024-11-28 04:16:36,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:16:36,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838402030] [2024-11-28 04:16:36,285 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:16:36,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:16:36,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:16:36,386 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-28 04:16:36,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:16:36,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838402030] [2024-11-28 04:16:36,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1838402030] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:16:36,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [921308980] [2024-11-28 04:16:36,387 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:16:36,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:16:36,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:16:36,389 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:16:36,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 04:16:36,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:16:36,446 INFO L256 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 04:16:36,448 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:16:36,545 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-28 04:16:36,546 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:16:36,700 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-28 04:16:36,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [921308980] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:16:36,700 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:16:36,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-28 04:16:36,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203540447] [2024-11-28 04:16:36,700 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:16:36,701 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 04:16:36,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:16:36,702 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 04:16:36,702 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:16:36,702 INFO L87 Difference]: Start difference. First operand 351 states and 369 transitions. Second operand has 7 states, 6 states have (on average 28.666666666666668) internal successors, (172), 7 states have internal predecessors, (172), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-28 04:16:36,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:16:36,929 INFO L93 Difference]: Finished difference Result 610 states and 648 transitions. [2024-11-28 04:16:36,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:16:36,930 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 28.666666666666668) internal successors, (172), 7 states have internal predecessors, (172), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 86 [2024-11-28 04:16:36,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:16:36,932 INFO L225 Difference]: With dead ends: 610 [2024-11-28 04:16:36,932 INFO L226 Difference]: Without dead ends: 602 [2024-11-28 04:16:36,933 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:16:36,933 INFO L435 NwaCegarLoop]: 242 mSDtfsCounter, 467 mSDsluCounter, 501 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 484 SdHoareTripleChecker+Valid, 743 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:16:36,933 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [484 Valid, 743 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 04:16:36,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2024-11-28 04:16:36,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 409. [2024-11-28 04:16:36,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 409 states, 278 states have (on average 1.5215827338129497) internal successors, (423), 385 states have internal predecessors, (423), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-28 04:16:36,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 467 transitions. [2024-11-28 04:16:36,956 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 467 transitions. Word has length 86 [2024-11-28 04:16:36,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:16:36,956 INFO L471 AbstractCegarLoop]: Abstraction has 409 states and 467 transitions. [2024-11-28 04:16:36,956 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 28.666666666666668) internal successors, (172), 7 states have internal predecessors, (172), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-28 04:16:36,956 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 467 transitions. [2024-11-28 04:16:36,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-28 04:16:36,957 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:16:36,957 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 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, 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] [2024-11-28 04:16:36,966 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-28 04:16:37,158 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:16:37,158 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-28 04:16:37,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:16:37,158 INFO L85 PathProgramCache]: Analyzing trace with hash 2010999569, now seen corresponding path program 1 times [2024-11-28 04:16:37,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:16:37,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049871552] [2024-11-28 04:16:37,159 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:16:37,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:16:37,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 04:16:37,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1518983690] [2024-11-28 04:16:37,182 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:16:37,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:16:37,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:16:37,187 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:16:37,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-28 04:16:37,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:16:37,255 INFO L256 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 04:16:37,257 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:16:37,370 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-28 04:16:37,370 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:16:37,594 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-28 04:16:37,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:16:37,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049871552] [2024-11-28 04:16:37,594 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 04:16:37,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1518983690] [2024-11-28 04:16:37,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1518983690] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:16:37,594 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 04:16:37,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2024-11-28 04:16:37,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589885100] [2024-11-28 04:16:37,594 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 04:16:37,595 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:16:37,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:16:37,596 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:16:37,596 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:16:37,596 INFO L87 Difference]: Start difference. First operand 409 states and 467 transitions. Second operand has 6 states, 5 states have (on average 26.8) internal successors, (134), 6 states have internal predecessors, (134), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-28 04:16:37,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:16:37,858 INFO L93 Difference]: Finished difference Result 612 states and 644 transitions. [2024-11-28 04:16:37,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:16:37,859 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 26.8) internal successors, (134), 6 states have internal predecessors, (134), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 97 [2024-11-28 04:16:37,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:16:37,862 INFO L225 Difference]: With dead ends: 612 [2024-11-28 04:16:37,862 INFO L226 Difference]: Without dead ends: 607 [2024-11-28 04:16:37,863 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:16:37,865 INFO L435 NwaCegarLoop]: 299 mSDtfsCounter, 1094 mSDsluCounter, 485 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1105 SdHoareTripleChecker+Valid, 784 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:16:37,865 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1105 Valid, 784 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 04:16:37,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 607 states. [2024-11-28 04:16:37,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 607 to 414. [2024-11-28 04:16:37,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 414 states, 286 states have (on average 1.479020979020979) internal successors, (423), 389 states have internal predecessors, (423), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-28 04:16:37,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 469 transitions. [2024-11-28 04:16:37,887 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 469 transitions. Word has length 97 [2024-11-28 04:16:37,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:16:37,888 INFO L471 AbstractCegarLoop]: Abstraction has 414 states and 469 transitions. [2024-11-28 04:16:37,888 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 26.8) internal successors, (134), 6 states have internal predecessors, (134), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-28 04:16:37,888 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 469 transitions. [2024-11-28 04:16:37,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-28 04:16:37,889 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:16:37,889 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:16:37,898 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-28 04:16:38,090 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:16:38,090 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr70ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-28 04:16:38,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:16:38,091 INFO L85 PathProgramCache]: Analyzing trace with hash -1305469991, now seen corresponding path program 1 times [2024-11-28 04:16:38,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:16:38,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191980793] [2024-11-28 04:16:38,091 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:16:38,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:16:38,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:16:38,339 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-28 04:16:38,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:16:38,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191980793] [2024-11-28 04:16:38,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1191980793] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:16:38,341 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:16:38,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:16:38,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403341285] [2024-11-28 04:16:38,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:16:38,341 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:16:38,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:16:38,342 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:16:38,342 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:16:38,342 INFO L87 Difference]: Start difference. First operand 414 states and 469 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 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) [2024-11-28 04:16:38,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:16:38,575 INFO L93 Difference]: Finished difference Result 420 states and 472 transitions. [2024-11-28 04:16:38,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:16:38,576 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 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 103 [2024-11-28 04:16:38,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:16:38,577 INFO L225 Difference]: With dead ends: 420 [2024-11-28 04:16:38,578 INFO L226 Difference]: Without dead ends: 394 [2024-11-28 04:16:38,578 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:16:38,578 INFO L435 NwaCegarLoop]: 209 mSDtfsCounter, 456 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 466 SdHoareTripleChecker+Valid, 400 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:16:38,579 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [466 Valid, 400 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 04:16:38,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2024-11-28 04:16:38,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 394. [2024-11-28 04:16:38,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 394 states, 268 states have (on average 1.5037313432835822) internal successors, (403), 371 states have internal predecessors, (403), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-28 04:16:38,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 445 transitions. [2024-11-28 04:16:38,617 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 445 transitions. Word has length 103 [2024-11-28 04:16:38,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:16:38,617 INFO L471 AbstractCegarLoop]: Abstraction has 394 states and 445 transitions. [2024-11-28 04:16:38,617 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 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) [2024-11-28 04:16:38,617 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 445 transitions. [2024-11-28 04:16:38,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-28 04:16:38,618 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:16:38,619 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:16:38,619 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-28 04:16:38,619 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-28 04:16:38,619 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:16:38,619 INFO L85 PathProgramCache]: Analyzing trace with hash 1352412641, now seen corresponding path program 1 times [2024-11-28 04:16:38,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:16:38,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25238745] [2024-11-28 04:16:38,620 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:16:38,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:16:38,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 04:16:38,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1767355463] [2024-11-28 04:16:38,652 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:16:38,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:16:38,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:16:38,654 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:16:38,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-28 04:16:38,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:16:38,719 INFO L256 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 04:16:38,721 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:16:39,069 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-28 04:16:39,069 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:16:39,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:16:39,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25238745] [2024-11-28 04:16:39,069 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 04:16:39,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1767355463] [2024-11-28 04:16:39,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1767355463] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:16:39,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:16:39,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:16:39,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223200115] [2024-11-28 04:16:39,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:16:39,071 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:16:39,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:16:39,072 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:16:39,073 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:16:39,073 INFO L87 Difference]: Start difference. First operand 394 states and 445 transitions. Second operand has 5 states, 4 states have (on average 20.25) internal successors, (81), 5 states have internal predecessors, (81), 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) [2024-11-28 04:16:39,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:16:39,907 INFO L93 Difference]: Finished difference Result 394 states and 445 transitions. [2024-11-28 04:16:39,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:16:39,908 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.25) internal successors, (81), 5 states have internal predecessors, (81), 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 118 [2024-11-28 04:16:39,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:16:39,910 INFO L225 Difference]: With dead ends: 394 [2024-11-28 04:16:39,910 INFO L226 Difference]: Without dead ends: 384 [2024-11-28 04:16:39,910 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:16:39,911 INFO L435 NwaCegarLoop]: 118 mSDtfsCounter, 135 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 622 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 632 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 622 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-28 04:16:39,911 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 282 Invalid, 632 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 622 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-28 04:16:39,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2024-11-28 04:16:39,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 384. [2024-11-28 04:16:39,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 384 states, 268 states have (on average 1.4514925373134329) internal successors, (389), 361 states have internal predecessors, (389), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-28 04:16:39,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 431 transitions. [2024-11-28 04:16:39,928 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 431 transitions. Word has length 118 [2024-11-28 04:16:39,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:16:39,929 INFO L471 AbstractCegarLoop]: Abstraction has 384 states and 431 transitions. [2024-11-28 04:16:39,929 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.25) internal successors, (81), 5 states have internal predecessors, (81), 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) [2024-11-28 04:16:39,929 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 431 transitions. [2024-11-28 04:16:39,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-28 04:16:39,930 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:16:39,930 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:16:39,939 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-28 04:16:40,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-28 04:16:40,131 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-28 04:16:40,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:16:40,132 INFO L85 PathProgramCache]: Analyzing trace with hash -1024880999, now seen corresponding path program 1 times [2024-11-28 04:16:40,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:16:40,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91879338] [2024-11-28 04:16:40,133 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:16:40,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:16:40,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 04:16:40,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1657894222] [2024-11-28 04:16:40,158 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:16:40,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:16:40,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:16:40,160 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:16:40,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-28 04:16:40,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:16:40,226 INFO L256 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 04:16:40,229 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:16:40,550 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-28 04:16:40,550 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:16:41,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:16:41,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91879338] [2024-11-28 04:16:41,225 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 04:16:41,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1657894222] [2024-11-28 04:16:41,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1657894222] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:16:41,225 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:16:41,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-28 04:16:41,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878890064] [2024-11-28 04:16:41,225 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 04:16:41,225 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:16:41,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:16:41,226 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:16:41,226 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-11-28 04:16:41,226 INFO L87 Difference]: Start difference. First operand 384 states and 431 transitions. Second operand has 5 states, 4 states have (on average 20.5) internal successors, (82), 5 states have internal predecessors, (82), 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) [2024-11-28 04:16:42,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:16:42,063 INFO L93 Difference]: Finished difference Result 510 states and 590 transitions. [2024-11-28 04:16:42,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:16:42,064 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.5) internal successors, (82), 5 states have internal predecessors, (82), 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 119 [2024-11-28 04:16:42,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:16:42,066 INFO L225 Difference]: With dead ends: 510 [2024-11-28 04:16:42,066 INFO L226 Difference]: Without dead ends: 487 [2024-11-28 04:16:42,067 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-11-28 04:16:42,067 INFO L435 NwaCegarLoop]: 142 mSDtfsCounter, 131 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 771 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 404 SdHoareTripleChecker+Invalid, 793 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 771 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-28 04:16:42,067 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 404 Invalid, 793 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 771 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-28 04:16:42,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2024-11-28 04:16:42,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 469. [2024-11-28 04:16:42,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 469 states, 348 states have (on average 1.4597701149425288) internal successors, (508), 441 states have internal predecessors, (508), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-28 04:16:42,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 469 states and 560 transitions. [2024-11-28 04:16:42,089 INFO L78 Accepts]: Start accepts. Automaton has 469 states and 560 transitions. Word has length 119 [2024-11-28 04:16:42,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:16:42,090 INFO L471 AbstractCegarLoop]: Abstraction has 469 states and 560 transitions. [2024-11-28 04:16:42,090 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.5) internal successors, (82), 5 states have internal predecessors, (82), 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) [2024-11-28 04:16:42,090 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 560 transitions. [2024-11-28 04:16:42,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-28 04:16:42,091 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:16:42,092 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:16:42,101 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-28 04:16:42,292 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:16:42,292 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-28 04:16:42,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:16:42,293 INFO L85 PathProgramCache]: Analyzing trace with hash -1706539805, now seen corresponding path program 1 times [2024-11-28 04:16:42,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:16:42,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606507980] [2024-11-28 04:16:42,293 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:16:42,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:16:42,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:16:42,459 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-28 04:16:42,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:16:42,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606507980] [2024-11-28 04:16:42,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606507980] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:16:42,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1978613234] [2024-11-28 04:16:42,460 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:16:42,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:16:42,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:16:42,462 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:16:42,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-28 04:16:42,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:16:42,538 INFO L256 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 04:16:42,540 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:16:42,816 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-28 04:16:42,816 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:16:43,023 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-28 04:16:43,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1978613234] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:16:43,023 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:16:43,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 7 [2024-11-28 04:16:43,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651482613] [2024-11-28 04:16:43,024 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:16:43,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 04:16:43,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:16:43,025 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 04:16:43,025 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-28 04:16:43,025 INFO L87 Difference]: Start difference. First operand 469 states and 560 transitions. Second operand has 8 states, 7 states have (on average 30.571428571428573) internal successors, (214), 8 states have internal predecessors, (214), 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) [2024-11-28 04:16:43,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:16:43,758 INFO L93 Difference]: Finished difference Result 494 states and 567 transitions. [2024-11-28 04:16:43,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 04:16:43,759 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 30.571428571428573) internal successors, (214), 8 states have internal predecessors, (214), 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 120 [2024-11-28 04:16:43,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:16:43,761 INFO L225 Difference]: With dead ends: 494 [2024-11-28 04:16:43,762 INFO L226 Difference]: Without dead ends: 489 [2024-11-28 04:16:43,762 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2024-11-28 04:16:43,763 INFO L435 NwaCegarLoop]: 184 mSDtfsCounter, 470 mSDsluCounter, 374 mSDsCounter, 0 mSdLazyCounter, 621 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 482 SdHoareTripleChecker+Valid, 558 SdHoareTripleChecker+Invalid, 642 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 621 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-28 04:16:43,763 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [482 Valid, 558 Invalid, 642 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 621 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-28 04:16:43,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2024-11-28 04:16:43,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 465. [2024-11-28 04:16:43,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 465 states, 348 states have (on average 1.4339080459770115) internal successors, (499), 437 states have internal predecessors, (499), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-28 04:16:43,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 551 transitions. [2024-11-28 04:16:43,783 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 551 transitions. Word has length 120 [2024-11-28 04:16:43,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:16:43,784 INFO L471 AbstractCegarLoop]: Abstraction has 465 states and 551 transitions. [2024-11-28 04:16:43,784 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 30.571428571428573) internal successors, (214), 8 states have internal predecessors, (214), 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) [2024-11-28 04:16:43,784 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 551 transitions. [2024-11-28 04:16:43,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-28 04:16:43,785 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:16:43,785 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:16:43,794 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-28 04:16:43,986 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:16:43,986 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-28 04:16:43,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:16:43,987 INFO L85 PathProgramCache]: Analyzing trace with hash -1363126309, now seen corresponding path program 1 times [2024-11-28 04:16:43,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:16:43,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813229025] [2024-11-28 04:16:43,987 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:16:43,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:16:44,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:16:44,152 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-28 04:16:44,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:16:44,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813229025] [2024-11-28 04:16:44,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813229025] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:16:44,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [969897531] [2024-11-28 04:16:44,152 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:16:44,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:16:44,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:16:44,155 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:16:44,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-28 04:16:44,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:16:44,219 INFO L256 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 04:16:44,221 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:16:44,468 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-28 04:16:44,468 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:16:44,660 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-28 04:16:44,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [969897531] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:16:44,660 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:16:44,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 7 [2024-11-28 04:16:44,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769261870] [2024-11-28 04:16:44,660 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:16:44,661 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 04:16:44,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:16:44,662 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 04:16:44,664 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2024-11-28 04:16:44,665 INFO L87 Difference]: Start difference. First operand 465 states and 551 transitions. Second operand has 8 states, 7 states have (on average 30.857142857142858) internal successors, (216), 8 states have internal predecessors, (216), 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) [2024-11-28 04:16:45,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:16:45,340 INFO L93 Difference]: Finished difference Result 490 states and 558 transitions. [2024-11-28 04:16:45,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 04:16:45,340 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 30.857142857142858) internal successors, (216), 8 states have internal predecessors, (216), 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 121 [2024-11-28 04:16:45,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:16:45,342 INFO L225 Difference]: With dead ends: 490 [2024-11-28 04:16:45,343 INFO L226 Difference]: Without dead ends: 485 [2024-11-28 04:16:45,343 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 238 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2024-11-28 04:16:45,344 INFO L435 NwaCegarLoop]: 136 mSDtfsCounter, 334 mSDsluCounter, 407 mSDsCounter, 0 mSdLazyCounter, 637 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 346 SdHoareTripleChecker+Valid, 543 SdHoareTripleChecker+Invalid, 651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 637 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 04:16:45,344 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [346 Valid, 543 Invalid, 651 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 637 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 04:16:45,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2024-11-28 04:16:45,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 461. [2024-11-28 04:16:45,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 461 states, 348 states have (on average 1.4080459770114941) internal successors, (490), 433 states have internal predecessors, (490), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-28 04:16:45,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 461 states and 542 transitions. [2024-11-28 04:16:45,365 INFO L78 Accepts]: Start accepts. Automaton has 461 states and 542 transitions. Word has length 121 [2024-11-28 04:16:45,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:16:45,366 INFO L471 AbstractCegarLoop]: Abstraction has 461 states and 542 transitions. [2024-11-28 04:16:45,366 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 30.857142857142858) internal successors, (216), 8 states have internal predecessors, (216), 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) [2024-11-28 04:16:45,366 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 542 transitions. [2024-11-28 04:16:45,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-28 04:16:45,367 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:16:45,367 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:16:45,377 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-28 04:16:45,568 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:16:45,568 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-28 04:16:45,568 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:16:45,568 INFO L85 PathProgramCache]: Analyzing trace with hash 692757477, now seen corresponding path program 1 times [2024-11-28 04:16:45,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:16:45,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333308940] [2024-11-28 04:16:45,569 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:16:45,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:16:45,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 04:16:45,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [902539844] [2024-11-28 04:16:45,601 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:16:45,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:16:45,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:16:45,603 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:16:45,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-28 04:16:45,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:16:45,670 INFO L256 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-28 04:16:45,672 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:16:46,225 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-28 04:16:46,225 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:16:46,589 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-28 04:16:46,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:16:46,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333308940] [2024-11-28 04:16:46,589 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 04:16:46,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [902539844] [2024-11-28 04:16:46,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [902539844] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:16:46,589 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 04:16:46,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-11-28 04:16:46,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60734432] [2024-11-28 04:16:46,590 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 04:16:46,590 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 04:16:46,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:16:46,591 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 04:16:46,591 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-28 04:16:46,591 INFO L87 Difference]: Start difference. First operand 461 states and 542 transitions. Second operand has 10 states, 9 states have (on average 18.22222222222222) internal successors, (164), 10 states have internal predecessors, (164), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-28 04:16:49,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:16:49,423 INFO L93 Difference]: Finished difference Result 509 states and 549 transitions. [2024-11-28 04:16:49,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-28 04:16:49,424 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 18.22222222222222) internal successors, (164), 10 states have internal predecessors, (164), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 122 [2024-11-28 04:16:49,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:16:49,425 INFO L225 Difference]: With dead ends: 509 [2024-11-28 04:16:49,426 INFO L226 Difference]: Without dead ends: 414 [2024-11-28 04:16:49,426 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2024-11-28 04:16:49,430 INFO L435 NwaCegarLoop]: 92 mSDtfsCounter, 320 mSDsluCounter, 382 mSDsCounter, 0 mSdLazyCounter, 1515 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 327 SdHoareTripleChecker+Valid, 474 SdHoareTripleChecker+Invalid, 1580 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 1515 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-28 04:16:49,431 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [327 Valid, 474 Invalid, 1580 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 1515 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-28 04:16:49,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2024-11-28 04:16:49,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 408. [2024-11-28 04:16:49,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 408 states, 300 states have (on average 1.3433333333333333) internal successors, (403), 383 states have internal predecessors, (403), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-28 04:16:49,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 449 transitions. [2024-11-28 04:16:49,453 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 449 transitions. Word has length 122 [2024-11-28 04:16:49,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:16:49,453 INFO L471 AbstractCegarLoop]: Abstraction has 408 states and 449 transitions. [2024-11-28 04:16:49,453 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 18.22222222222222) internal successors, (164), 10 states have internal predecessors, (164), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-28 04:16:49,454 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 449 transitions. [2024-11-28 04:16:49,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-28 04:16:49,455 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:16:49,455 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-28 04:16:49,465 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-28 04:16:49,656 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:16:49,656 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-28 04:16:49,656 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:16:49,657 INFO L85 PathProgramCache]: Analyzing trace with hash 1553976926, now seen corresponding path program 1 times [2024-11-28 04:16:49,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:16:49,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354081140] [2024-11-28 04:16:49,657 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:16:49,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:16:49,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:16:49,763 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2024-11-28 04:16:49,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:16:49,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354081140] [2024-11-28 04:16:49,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [354081140] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:16:49,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:16:49,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:16:49,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231057232] [2024-11-28 04:16:49,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:16:49,765 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:16:49,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:16:49,765 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:16:49,765 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:16:49,766 INFO L87 Difference]: Start difference. First operand 408 states and 449 transitions. Second operand has 3 states, 2 states have (on average 44.0) internal successors, (88), 3 states have internal predecessors, (88), 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) [2024-11-28 04:16:50,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:16:50,061 INFO L93 Difference]: Finished difference Result 408 states and 449 transitions. [2024-11-28 04:16:50,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:16:50,062 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 44.0) internal successors, (88), 3 states have internal predecessors, (88), 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 164 [2024-11-28 04:16:50,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:16:50,063 INFO L225 Difference]: With dead ends: 408 [2024-11-28 04:16:50,064 INFO L226 Difference]: Without dead ends: 405 [2024-11-28 04:16:50,064 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 [2024-11-28 04:16:50,064 INFO L435 NwaCegarLoop]: 110 mSDtfsCounter, 126 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 04:16:50,065 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 155 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 04:16:50,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2024-11-28 04:16:50,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 405. [2024-11-28 04:16:50,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 405 states, 300 states have (on average 1.33) internal successors, (399), 380 states have internal predecessors, (399), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-28 04:16:50,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 445 transitions. [2024-11-28 04:16:50,099 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 445 transitions. Word has length 164 [2024-11-28 04:16:50,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:16:50,099 INFO L471 AbstractCegarLoop]: Abstraction has 405 states and 445 transitions. [2024-11-28 04:16:50,099 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 44.0) internal successors, (88), 3 states have internal predecessors, (88), 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) [2024-11-28 04:16:50,099 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 445 transitions. [2024-11-28 04:16:50,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-28 04:16:50,104 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:16:50,104 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:16:50,104 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-28 04:16:50,104 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-28 04:16:50,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:16:50,105 INFO L85 PathProgramCache]: Analyzing trace with hash 1273172848, now seen corresponding path program 1 times [2024-11-28 04:16:50,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:16:50,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146254258] [2024-11-28 04:16:50,105 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:16:50,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:16:50,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:16:50,251 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 04:16:50,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:16:50,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146254258] [2024-11-28 04:16:50,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1146254258] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:16:50,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1498076561] [2024-11-28 04:16:50,251 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:16:50,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:16:50,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:16:50,254 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:16:50,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-28 04:16:50,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:16:50,325 INFO L256 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 04:16:50,328 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:16:50,490 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 04:16:50,490 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:16:50,708 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 04:16:50,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1498076561] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:16:50,709 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:16:50,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2024-11-28 04:16:50,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411104772] [2024-11-28 04:16:50,709 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:16:50,710 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 04:16:50,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:16:50,711 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 04:16:50,711 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-28 04:16:50,711 INFO L87 Difference]: Start difference. First operand 405 states and 445 transitions. Second operand has 9 states, 8 states have (on average 34.25) internal successors, (274), 9 states have internal predecessors, (274), 7 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 7 states have call predecessors, (27), 7 states have call successors, (27) [2024-11-28 04:16:51,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:16:51,174 INFO L93 Difference]: Finished difference Result 428 states and 454 transitions. [2024-11-28 04:16:51,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 04:16:51,175 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 34.25) internal successors, (274), 9 states have internal predecessors, (274), 7 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 7 states have call predecessors, (27), 7 states have call successors, (27) Word has length 167 [2024-11-28 04:16:51,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:16:51,177 INFO L225 Difference]: With dead ends: 428 [2024-11-28 04:16:51,177 INFO L226 Difference]: Without dead ends: 426 [2024-11-28 04:16:51,177 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 341 GetRequests, 329 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=117, Unknown=0, NotChecked=0, Total=182 [2024-11-28 04:16:51,178 INFO L435 NwaCegarLoop]: 181 mSDtfsCounter, 596 mSDsluCounter, 589 mSDsCounter, 0 mSdLazyCounter, 383 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 596 SdHoareTripleChecker+Valid, 770 SdHoareTripleChecker+Invalid, 418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 04:16:51,178 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [596 Valid, 770 Invalid, 418 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 383 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 04:16:51,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2024-11-28 04:16:51,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 403. [2024-11-28 04:16:51,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 300 states have (on average 1.3166666666666667) internal successors, (395), 378 states have internal predecessors, (395), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-28 04:16:51,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 441 transitions. [2024-11-28 04:16:51,197 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 441 transitions. Word has length 167 [2024-11-28 04:16:51,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:16:51,197 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 441 transitions. [2024-11-28 04:16:51,198 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 34.25) internal successors, (274), 9 states have internal predecessors, (274), 7 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 7 states have call predecessors, (27), 7 states have call successors, (27) [2024-11-28 04:16:51,198 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 441 transitions. [2024-11-28 04:16:51,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-28 04:16:51,203 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:16:51,204 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:16:51,213 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-28 04:16:51,404 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:16:51,405 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr60ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-28 04:16:51,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:16:51,406 INFO L85 PathProgramCache]: Analyzing trace with hash 813652807, now seen corresponding path program 1 times [2024-11-28 04:16:51,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:16:51,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591016712] [2024-11-28 04:16:51,406 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:16:51,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:16:51,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 04:16:51,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [957834694] [2024-11-28 04:16:51,460 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:16:51,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:16:51,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:16:51,463 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:16:51,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-28 04:16:51,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:16:51,539 INFO L256 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 04:16:51,542 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:16:51,958 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 04:16:51,959 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:16:52,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:16:52,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591016712] [2024-11-28 04:16:52,557 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 04:16:52,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [957834694] [2024-11-28 04:16:52,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [957834694] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:16:52,557 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:16:52,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-28 04:16:52,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516025092] [2024-11-28 04:16:52,558 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 04:16:52,558 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 04:16:52,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:16:52,559 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 04:16:52,559 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-28 04:16:52,559 INFO L87 Difference]: Start difference. First operand 403 states and 441 transitions. Second operand has 7 states, 6 states have (on average 19.333333333333332) internal successors, (116), 7 states have internal predecessors, (116), 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) [2024-11-28 04:16:53,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:16:53,229 INFO L93 Difference]: Finished difference Result 409 states and 441 transitions. [2024-11-28 04:16:53,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 04:16:53,230 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 19.333333333333332) internal successors, (116), 7 states have internal predecessors, (116), 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 168 [2024-11-28 04:16:53,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:16:53,232 INFO L225 Difference]: With dead ends: 409 [2024-11-28 04:16:53,232 INFO L226 Difference]: Without dead ends: 403 [2024-11-28 04:16:53,232 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2024-11-28 04:16:53,233 INFO L435 NwaCegarLoop]: 215 mSDtfsCounter, 59 mSDsluCounter, 785 mSDsCounter, 0 mSdLazyCounter, 684 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 1000 SdHoareTripleChecker+Invalid, 692 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 684 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 04:16:53,233 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 1000 Invalid, 692 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 684 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 04:16:53,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2024-11-28 04:16:53,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 403. [2024-11-28 04:16:53,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 300 states have (on average 1.2966666666666666) internal successors, (389), 378 states have internal predecessors, (389), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-28 04:16:53,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 435 transitions. [2024-11-28 04:16:53,257 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 435 transitions. Word has length 168 [2024-11-28 04:16:53,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:16:53,258 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 435 transitions. [2024-11-28 04:16:53,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 19.333333333333332) internal successors, (116), 7 states have internal predecessors, (116), 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) [2024-11-28 04:16:53,259 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 435 transitions. [2024-11-28 04:16:53,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-11-28 04:16:53,261 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:16:53,262 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:16:53,271 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-28 04:16:53,466 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-11-28 04:16:53,466 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr64ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-28 04:16:53,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:16:53,467 INFO L85 PathProgramCache]: Analyzing trace with hash -543601141, now seen corresponding path program 1 times [2024-11-28 04:16:53,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:16:53,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776474222] [2024-11-28 04:16:53,467 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:16:53,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:16:53,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 04:16:53,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [638097821] [2024-11-28 04:16:53,512 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:16:53,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:16:53,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:16:53,515 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:16:53,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-28 04:16:53,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:16:53,593 INFO L256 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-28 04:16:53,596 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:16:55,536 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 04:16:55,537 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:16:56,397 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-28 04:16:56,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:16:56,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776474222] [2024-11-28 04:16:56,397 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 04:16:56,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [638097821] [2024-11-28 04:16:56,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [638097821] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:16:56,398 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 04:16:56,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 10 [2024-11-28 04:16:56,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304460341] [2024-11-28 04:16:56,398 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 04:16:56,399 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 04:16:56,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:16:56,399 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 04:16:56,400 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-28 04:16:56,400 INFO L87 Difference]: Start difference. First operand 403 states and 435 transitions. Second operand has 11 states, 10 states have (on average 23.6) internal successors, (236), 11 states have internal predecessors, (236), 4 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2024-11-28 04:16:59,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:16:59,247 INFO L93 Difference]: Finished difference Result 407 states and 435 transitions. [2024-11-28 04:16:59,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 04:16:59,248 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 23.6) internal successors, (236), 11 states have internal predecessors, (236), 4 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 172 [2024-11-28 04:16:59,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:16:59,249 INFO L225 Difference]: With dead ends: 407 [2024-11-28 04:16:59,249 INFO L226 Difference]: Without dead ends: 403 [2024-11-28 04:16:59,249 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 348 GetRequests, 333 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=92, Invalid=180, Unknown=0, NotChecked=0, Total=272 [2024-11-28 04:16:59,250 INFO L435 NwaCegarLoop]: 87 mSDtfsCounter, 499 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 1139 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 504 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 1167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-28 04:16:59,250 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [504 Valid, 288 Invalid, 1167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1139 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-28 04:16:59,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2024-11-28 04:16:59,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 403. [2024-11-28 04:16:59,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 300 states have (on average 1.2833333333333334) internal successors, (385), 378 states have internal predecessors, (385), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-28 04:16:59,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 431 transitions. [2024-11-28 04:16:59,281 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 431 transitions. Word has length 172 [2024-11-28 04:16:59,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:16:59,282 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 431 transitions. [2024-11-28 04:16:59,282 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 23.6) internal successors, (236), 11 states have internal predecessors, (236), 4 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2024-11-28 04:16:59,282 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 431 transitions. [2024-11-28 04:16:59,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-11-28 04:16:59,285 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:16:59,285 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 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, 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, 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, 1, 1, 1, 1] [2024-11-28 04:16:59,295 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-28 04:16:59,486 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-11-28 04:16:59,486 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr78ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-28 04:16:59,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:16:59,487 INFO L85 PathProgramCache]: Analyzing trace with hash -1798400636, now seen corresponding path program 1 times [2024-11-28 04:16:59,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:16:59,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609434202] [2024-11-28 04:16:59,487 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:16:59,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:16:59,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 04:16:59,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1851413833] [2024-11-28 04:16:59,534 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:16:59,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:16:59,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:16:59,536 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:16:59,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-28 04:16:59,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:16:59,634 INFO L256 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-28 04:16:59,639 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:17:00,552 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-28 04:17:00,552 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:17:01,626 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-28 04:17:01,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:17:01,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609434202] [2024-11-28 04:17:01,627 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 04:17:01,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1851413833] [2024-11-28 04:17:01,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1851413833] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:17:01,627 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 04:17:01,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 14 [2024-11-28 04:17:01,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515990996] [2024-11-28 04:17:01,627 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 04:17:01,628 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-28 04:17:01,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:17:01,629 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-28 04:17:01,629 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2024-11-28 04:17:01,629 INFO L87 Difference]: Start difference. First operand 403 states and 431 transitions. Second operand has 15 states, 14 states have (on average 18.714285714285715) internal successors, (262), 15 states have internal predecessors, (262), 7 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 7 states have call predecessors, (24), 7 states have call successors, (24) [2024-11-28 04:17:03,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:17:03,556 INFO L93 Difference]: Finished difference Result 474 states and 540 transitions. [2024-11-28 04:17:03,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-28 04:17:03,557 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 18.714285714285715) internal successors, (262), 15 states have internal predecessors, (262), 7 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 7 states have call predecessors, (24), 7 states have call successors, (24) Word has length 191 [2024-11-28 04:17:03,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:17:03,558 INFO L225 Difference]: With dead ends: 474 [2024-11-28 04:17:03,558 INFO L226 Difference]: Without dead ends: 471 [2024-11-28 04:17:03,558 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 385 GetRequests, 367 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=132, Invalid=248, Unknown=0, NotChecked=0, Total=380 [2024-11-28 04:17:03,559 INFO L435 NwaCegarLoop]: 56 mSDtfsCounter, 299 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 1795 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 302 SdHoareTripleChecker+Valid, 257 SdHoareTripleChecker+Invalid, 1824 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1795 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-28 04:17:03,559 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [302 Valid, 257 Invalid, 1824 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1795 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-28 04:17:03,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2024-11-28 04:17:03,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 469. [2024-11-28 04:17:03,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 469 states, 360 states have (on average 1.3277777777777777) internal successors, (478), 438 states have internal predecessors, (478), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-28 04:17:03,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 469 states and 536 transitions. [2024-11-28 04:17:03,586 INFO L78 Accepts]: Start accepts. Automaton has 469 states and 536 transitions. Word has length 191 [2024-11-28 04:17:03,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:17:03,587 INFO L471 AbstractCegarLoop]: Abstraction has 469 states and 536 transitions. [2024-11-28 04:17:03,587 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 18.714285714285715) internal successors, (262), 15 states have internal predecessors, (262), 7 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 7 states have call predecessors, (24), 7 states have call successors, (24) [2024-11-28 04:17:03,587 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 536 transitions. [2024-11-28 04:17:03,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-28 04:17:03,588 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:17:03,588 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 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, 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, 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, 1, 1, 1, 1, 1] [2024-11-28 04:17:03,597 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-28 04:17:03,789 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-11-28 04:17:03,789 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr79ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-28 04:17:03,790 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:17:03,790 INFO L85 PathProgramCache]: Analyzing trace with hash 84155354, now seen corresponding path program 1 times [2024-11-28 04:17:03,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:17:03,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325954821] [2024-11-28 04:17:03,790 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:17:03,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:17:03,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:17:04,070 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-28 04:17:04,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:17:04,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325954821] [2024-11-28 04:17:04,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [325954821] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:17:04,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [212487764] [2024-11-28 04:17:04,071 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:17:04,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:17:04,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:17:04,073 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:17:04,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-28 04:17:04,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:17:04,167 INFO L256 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 04:17:04,170 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:17:04,737 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-28 04:17:04,737 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:17:04,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [212487764] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:17:04,844 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 04:17:04,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 10 [2024-11-28 04:17:04,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166104942] [2024-11-28 04:17:04,845 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 04:17:04,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 04:17:04,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:17:04,847 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 04:17:04,848 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2024-11-28 04:17:04,848 INFO L87 Difference]: Start difference. First operand 469 states and 536 transitions. Second operand has 11 states, 10 states have (on average 26.4) internal successors, (264), 11 states have internal predecessors, (264), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-28 04:17:06,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:17:06,655 INFO L93 Difference]: Finished difference Result 469 states and 536 transitions. [2024-11-28 04:17:06,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-28 04:17:06,655 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 26.4) internal successors, (264), 11 states have internal predecessors, (264), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) Word has length 192 [2024-11-28 04:17:06,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:17:06,657 INFO L225 Difference]: With dead ends: 469 [2024-11-28 04:17:06,657 INFO L226 Difference]: Without dead ends: 465 [2024-11-28 04:17:06,658 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2024-11-28 04:17:06,658 INFO L435 NwaCegarLoop]: 51 mSDtfsCounter, 427 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 1600 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 427 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 1641 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 1600 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-28 04:17:06,658 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [427 Valid, 249 Invalid, 1641 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 1600 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-28 04:17:06,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2024-11-28 04:17:06,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 465. [2024-11-28 04:17:06,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 465 states, 360 states have (on average 1.3055555555555556) internal successors, (470), 434 states have internal predecessors, (470), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-28 04:17:06,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 528 transitions. [2024-11-28 04:17:06,687 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 528 transitions. Word has length 192 [2024-11-28 04:17:06,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:17:06,688 INFO L471 AbstractCegarLoop]: Abstraction has 465 states and 528 transitions. [2024-11-28 04:17:06,688 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 26.4) internal successors, (264), 11 states have internal predecessors, (264), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-28 04:17:06,688 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 528 transitions. [2024-11-28 04:17:06,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-28 04:17:06,689 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:17:06,689 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 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, 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, 2, 1, 1, 1, 1, 1] [2024-11-28 04:17:06,699 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-28 04:17:06,894 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-11-28 04:17:06,894 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-28 04:17:06,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:17:06,895 INFO L85 PathProgramCache]: Analyzing trace with hash 153847584, now seen corresponding path program 1 times [2024-11-28 04:17:06,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:17:06,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851464026] [2024-11-28 04:17:06,895 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:17:06,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:17:06,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 04:17:06,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [755660419] [2024-11-28 04:17:06,933 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:17:06,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:17:06,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:17:06,935 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:17:06,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-28 04:17:07,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:17:07,021 INFO L256 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 04:17:07,025 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:17:07,232 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-28 04:17:07,232 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:17:07,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:17:07,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851464026] [2024-11-28 04:17:07,333 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 04:17:07,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [755660419] [2024-11-28 04:17:07,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [755660419] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:17:07,334 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:17:07,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-28 04:17:07,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810667061] [2024-11-28 04:17:07,334 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 04:17:07,334 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:17:07,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:17:07,335 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:17:07,335 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:17:07,335 INFO L87 Difference]: Start difference. First operand 465 states and 528 transitions. Second operand has 5 states, 4 states have (on average 33.75) internal successors, (135), 5 states have internal predecessors, (135), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-28 04:17:07,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:17:07,530 INFO L93 Difference]: Finished difference Result 601 states and 632 transitions. [2024-11-28 04:17:07,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:17:07,531 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 33.75) internal successors, (135), 5 states have internal predecessors, (135), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 192 [2024-11-28 04:17:07,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:17:07,533 INFO L225 Difference]: With dead ends: 601 [2024-11-28 04:17:07,533 INFO L226 Difference]: Without dead ends: 600 [2024-11-28 04:17:07,533 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 224 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:17:07,533 INFO L435 NwaCegarLoop]: 215 mSDtfsCounter, 252 mSDsluCounter, 594 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 809 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:17:07,534 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [262 Valid, 809 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 04:17:07,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2024-11-28 04:17:07,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 465. [2024-11-28 04:17:07,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 465 states, 360 states have (on average 1.3027777777777778) internal successors, (469), 434 states have internal predecessors, (469), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-28 04:17:07,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 527 transitions. [2024-11-28 04:17:07,568 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 527 transitions. Word has length 192 [2024-11-28 04:17:07,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:17:07,569 INFO L471 AbstractCegarLoop]: Abstraction has 465 states and 527 transitions. [2024-11-28 04:17:07,569 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 33.75) internal successors, (135), 5 states have internal predecessors, (135), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-28 04:17:07,569 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 527 transitions. [2024-11-28 04:17:07,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-11-28 04:17:07,570 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:17:07,570 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:17:07,581 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-28 04:17:07,771 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-28 04:17:07,773 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr83ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-28 04:17:07,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:17:07,774 INFO L85 PathProgramCache]: Analyzing trace with hash 1810357982, now seen corresponding path program 1 times [2024-11-28 04:17:07,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:17:07,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268646956] [2024-11-28 04:17:07,774 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:17:07,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:17:07,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 04:17:07,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1552288211] [2024-11-28 04:17:07,813 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:17:07,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:17:07,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:17:07,815 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:17:07,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-28 04:17:07,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:17:07,906 INFO L256 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-28 04:17:07,910 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:17:08,714 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-28 04:17:08,714 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:17:09,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:17:09,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268646956] [2024-11-28 04:17:09,622 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 04:17:09,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1552288211] [2024-11-28 04:17:09,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1552288211] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:17:09,623 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:17:09,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-28 04:17:09,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690638062] [2024-11-28 04:17:09,623 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 04:17:09,623 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 04:17:09,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:17:09,624 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 04:17:09,624 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2024-11-28 04:17:09,624 INFO L87 Difference]: Start difference. First operand 465 states and 527 transitions. Second operand has 8 states, 7 states have (on average 19.857142857142858) internal successors, (139), 8 states have internal predecessors, (139), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-28 04:17:10,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:17:10,533 INFO L93 Difference]: Finished difference Result 467 states and 527 transitions. [2024-11-28 04:17:10,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 04:17:10,534 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 19.857142857142858) internal successors, (139), 8 states have internal predecessors, (139), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 196 [2024-11-28 04:17:10,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:17:10,535 INFO L225 Difference]: With dead ends: 467 [2024-11-28 04:17:10,535 INFO L226 Difference]: Without dead ends: 431 [2024-11-28 04:17:10,536 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 318 GetRequests, 304 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2024-11-28 04:17:10,536 INFO L435 NwaCegarLoop]: 170 mSDtfsCounter, 36 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 1327 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 363 SdHoareTripleChecker+Invalid, 1330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-28 04:17:10,536 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 363 Invalid, 1330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1327 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-28 04:17:10,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2024-11-28 04:17:10,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 431. [2024-11-28 04:17:10,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 431 states, 328 states have (on average 1.326219512195122) internal successors, (435), 402 states have internal predecessors, (435), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-28 04:17:10,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 489 transitions. [2024-11-28 04:17:10,562 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 489 transitions. Word has length 196 [2024-11-28 04:17:10,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:17:10,562 INFO L471 AbstractCegarLoop]: Abstraction has 431 states and 489 transitions. [2024-11-28 04:17:10,562 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 19.857142857142858) internal successors, (139), 8 states have internal predecessors, (139), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-28 04:17:10,563 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 489 transitions. [2024-11-28 04:17:10,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-28 04:17:10,564 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:17:10,564 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-28 04:17:10,573 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-11-28 04:17:10,768 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:17:10,768 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-28 04:17:10,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:17:10,769 INFO L85 PathProgramCache]: Analyzing trace with hash -2112051396, now seen corresponding path program 2 times [2024-11-28 04:17:10,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:17:10,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655085853] [2024-11-28 04:17:10,770 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 04:17:10,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:17:10,807 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 04:17:10,807 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 04:17:10,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1853069045] [2024-11-28 04:17:10,809 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 04:17:10,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:17:10,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:17:10,811 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:17:10,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-28 04:17:10,946 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 04:17:10,947 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:17:10,948 INFO L256 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-28 04:17:10,951 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:17:11,693 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 0 proven. 106 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-28 04:17:11,693 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:17:12,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:17:12,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655085853] [2024-11-28 04:17:12,106 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 04:17:12,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1853069045] [2024-11-28 04:17:12,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1853069045] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:17:12,106 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:17:12,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-28 04:17:12,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491988236] [2024-11-28 04:17:12,106 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 04:17:12,107 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 04:17:12,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:17:12,107 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 04:17:12,107 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2024-11-28 04:17:12,107 INFO L87 Difference]: Start difference. First operand 431 states and 489 transitions. Second operand has 9 states, 8 states have (on average 17.125) internal successors, (137), 9 states have internal predecessors, (137), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-28 04:17:13,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:17:13,234 INFO L93 Difference]: Finished difference Result 524 states and 600 transitions. [2024-11-28 04:17:13,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 04:17:13,235 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 17.125) internal successors, (137), 9 states have internal predecessors, (137), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 199 [2024-11-28 04:17:13,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:17:13,236 INFO L225 Difference]: With dead ends: 524 [2024-11-28 04:17:13,236 INFO L226 Difference]: Without dead ends: 503 [2024-11-28 04:17:13,236 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2024-11-28 04:17:13,236 INFO L435 NwaCegarLoop]: 121 mSDtfsCounter, 121 mSDsluCounter, 325 mSDsCounter, 0 mSdLazyCounter, 1745 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 446 SdHoareTripleChecker+Invalid, 1765 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1745 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:17:13,237 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 446 Invalid, 1765 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1745 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-28 04:17:13,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 503 states. [2024-11-28 04:17:13,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 503 to 491. [2024-11-28 04:17:13,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 491 states, 385 states have (on average 1.3142857142857143) internal successors, (506), 459 states have internal predecessors, (506), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-28 04:17:13,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 566 transitions. [2024-11-28 04:17:13,268 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 566 transitions. Word has length 199 [2024-11-28 04:17:13,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:17:13,269 INFO L471 AbstractCegarLoop]: Abstraction has 491 states and 566 transitions. [2024-11-28 04:17:13,269 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 17.125) internal successors, (137), 9 states have internal predecessors, (137), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-28 04:17:13,269 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 566 transitions. [2024-11-28 04:17:13,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-11-28 04:17:13,270 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:17:13,270 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-28 04:17:13,280 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-28 04:17:13,471 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:17:13,471 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-28 04:17:13,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:17:13,471 INFO L85 PathProgramCache]: Analyzing trace with hash -1049083744, now seen corresponding path program 2 times [2024-11-28 04:17:13,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:17:13,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122406333] [2024-11-28 04:17:13,471 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 04:17:13,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:17:13,492 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 04:17:13,492 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:17:13,716 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-28 04:17:13,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:17:13,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122406333] [2024-11-28 04:17:13,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122406333] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:17:13,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2075249480] [2024-11-28 04:17:13,717 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 04:17:13,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:17:13,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:17:13,719 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:17:13,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-28 04:17:13,801 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 04:17:13,801 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:17:13,802 INFO L256 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 04:17:13,806 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:17:14,347 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-28 04:17:14,347 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:17:14,676 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-28 04:17:14,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2075249480] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:17:14,677 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:17:14,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2024-11-28 04:17:14,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717875263] [2024-11-28 04:17:14,677 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:17:14,678 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-28 04:17:14,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:17:14,678 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-28 04:17:14,679 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2024-11-28 04:17:14,679 INFO L87 Difference]: Start difference. First operand 491 states and 566 transitions. Second operand has 13 states, 12 states have (on average 31.416666666666668) internal successors, (377), 13 states have internal predecessors, (377), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) [2024-11-28 04:17:16,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:17:16,218 INFO L93 Difference]: Finished difference Result 491 states and 566 transitions. [2024-11-28 04:17:16,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 04:17:16,219 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 31.416666666666668) internal successors, (377), 13 states have internal predecessors, (377), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) Word has length 200 [2024-11-28 04:17:16,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:17:16,220 INFO L225 Difference]: With dead ends: 491 [2024-11-28 04:17:16,220 INFO L226 Difference]: Without dead ends: 487 [2024-11-28 04:17:16,221 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 408 GetRequests, 392 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=211, Unknown=0, NotChecked=0, Total=306 [2024-11-28 04:17:16,221 INFO L435 NwaCegarLoop]: 121 mSDtfsCounter, 360 mSDsluCounter, 460 mSDsCounter, 0 mSdLazyCounter, 1469 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 360 SdHoareTripleChecker+Valid, 581 SdHoareTripleChecker+Invalid, 1493 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 1469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-28 04:17:16,221 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [360 Valid, 581 Invalid, 1493 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 1469 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-28 04:17:16,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2024-11-28 04:17:16,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 487. [2024-11-28 04:17:16,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 487 states, 385 states have (on average 1.2935064935064935) internal successors, (498), 455 states have internal predecessors, (498), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-28 04:17:16,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 487 states and 558 transitions. [2024-11-28 04:17:16,260 INFO L78 Accepts]: Start accepts. Automaton has 487 states and 558 transitions. Word has length 200 [2024-11-28 04:17:16,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:17:16,260 INFO L471 AbstractCegarLoop]: Abstraction has 487 states and 558 transitions. [2024-11-28 04:17:16,260 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 31.416666666666668) internal successors, (377), 13 states have internal predecessors, (377), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) [2024-11-28 04:17:16,261 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 558 transitions. [2024-11-28 04:17:16,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2024-11-28 04:17:16,262 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:17:16,262 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-28 04:17:16,268 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-11-28 04:17:16,462 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:17:16,462 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-28 04:17:16,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:17:16,463 INFO L85 PathProgramCache]: Analyzing trace with hash 1838142398, now seen corresponding path program 2 times [2024-11-28 04:17:16,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:17:16,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107274045] [2024-11-28 04:17:16,463 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 04:17:16,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:17:16,499 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 04:17:16,500 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:17:16,721 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-28 04:17:16,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:17:16,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107274045] [2024-11-28 04:17:16,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107274045] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:17:16,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1725338019] [2024-11-28 04:17:16,723 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 04:17:16,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:17:16,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:17:16,725 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:17:16,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-28 04:17:16,809 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 04:17:16,809 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:17:16,810 INFO L256 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 04:17:16,813 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:17:17,345 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-28 04:17:17,345 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:17:17,653 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-28 04:17:17,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1725338019] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:17:17,654 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:17:17,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2024-11-28 04:17:17,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050233320] [2024-11-28 04:17:17,654 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:17:17,655 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-28 04:17:17,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:17:17,655 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-28 04:17:17,656 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2024-11-28 04:17:17,656 INFO L87 Difference]: Start difference. First operand 487 states and 558 transitions. Second operand has 13 states, 12 states have (on average 31.583333333333332) internal successors, (379), 13 states have internal predecessors, (379), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) [2024-11-28 04:17:18,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:17:18,641 INFO L93 Difference]: Finished difference Result 540 states and 605 transitions. [2024-11-28 04:17:18,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 04:17:18,642 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 31.583333333333332) internal successors, (379), 13 states have internal predecessors, (379), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) Word has length 201 [2024-11-28 04:17:18,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:17:18,643 INFO L225 Difference]: With dead ends: 540 [2024-11-28 04:17:18,643 INFO L226 Difference]: Without dead ends: 538 [2024-11-28 04:17:18,644 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 409 GetRequests, 394 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=103, Invalid=169, Unknown=0, NotChecked=0, Total=272 [2024-11-28 04:17:18,644 INFO L435 NwaCegarLoop]: 99 mSDtfsCounter, 379 mSDsluCounter, 521 mSDsCounter, 0 mSdLazyCounter, 1174 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 386 SdHoareTripleChecker+Valid, 620 SdHoareTripleChecker+Invalid, 1194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-28 04:17:18,644 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [386 Valid, 620 Invalid, 1194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1174 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-28 04:17:18,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2024-11-28 04:17:18,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 514. [2024-11-28 04:17:18,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 514 states, 409 states have (on average 1.2787286063569683) internal successors, (523), 479 states have internal predecessors, (523), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-28 04:17:18,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 514 states and 589 transitions. [2024-11-28 04:17:18,675 INFO L78 Accepts]: Start accepts. Automaton has 514 states and 589 transitions. Word has length 201 [2024-11-28 04:17:18,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:17:18,675 INFO L471 AbstractCegarLoop]: Abstraction has 514 states and 589 transitions. [2024-11-28 04:17:18,676 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 31.583333333333332) internal successors, (379), 13 states have internal predecessors, (379), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) [2024-11-28 04:17:18,676 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 589 transitions. [2024-11-28 04:17:18,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2024-11-28 04:17:18,677 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:17:18,677 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-28 04:17:18,686 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-28 04:17:18,877 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2024-11-28 04:17:18,878 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-28 04:17:18,878 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:17:18,878 INFO L85 PathProgramCache]: Analyzing trace with hash 1223288896, now seen corresponding path program 1 times [2024-11-28 04:17:18,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:17:18,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770535036] [2024-11-28 04:17:18,878 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:17:18,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:17:18,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:17:19,108 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-28 04:17:19,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:17:19,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770535036] [2024-11-28 04:17:19,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770535036] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:17:19,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [801292124] [2024-11-28 04:17:19,109 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:17:19,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:17:19,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:17:19,112 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:17:19,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-28 04:17:19,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:17:19,198 INFO L256 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 04:17:19,201 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:17:19,761 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-28 04:17:19,761 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:17:22,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [801292124] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:17:22,449 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 04:17:22,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-11-28 04:17:22,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694497798] [2024-11-28 04:17:22,449 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 04:17:22,450 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 04:17:22,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:17:22,450 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 04:17:22,450 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2024-11-28 04:17:22,450 INFO L87 Difference]: Start difference. First operand 514 states and 589 transitions. Second operand has 11 states, 10 states have (on average 25.3) internal successors, (253), 11 states have internal predecessors, (253), 5 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 5 states have call predecessors, (23), 5 states have call successors, (23) [2024-11-28 04:17:25,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:17:25,341 INFO L93 Difference]: Finished difference Result 514 states and 589 transitions. [2024-11-28 04:17:25,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-28 04:17:25,342 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 25.3) internal successors, (253), 11 states have internal predecessors, (253), 5 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 5 states have call predecessors, (23), 5 states have call successors, (23) Word has length 203 [2024-11-28 04:17:25,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:17:25,344 INFO L225 Difference]: With dead ends: 514 [2024-11-28 04:17:25,344 INFO L226 Difference]: Without dead ends: 502 [2024-11-28 04:17:25,344 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=112, Invalid=308, Unknown=0, NotChecked=0, Total=420 [2024-11-28 04:17:25,345 INFO L435 NwaCegarLoop]: 121 mSDtfsCounter, 478 mSDsluCounter, 522 mSDsCounter, 0 mSdLazyCounter, 1382 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 478 SdHoareTripleChecker+Valid, 643 SdHoareTripleChecker+Invalid, 1430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 1382 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-28 04:17:25,345 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [478 Valid, 643 Invalid, 1430 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 1382 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-28 04:17:25,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 502 states. [2024-11-28 04:17:25,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 502 to 502. [2024-11-28 04:17:25,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 502 states, 409 states have (on average 1.2420537897310513) internal successors, (508), 467 states have internal predecessors, (508), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-28 04:17:25,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 502 states and 574 transitions. [2024-11-28 04:17:25,379 INFO L78 Accepts]: Start accepts. Automaton has 502 states and 574 transitions. Word has length 203 [2024-11-28 04:17:25,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:17:25,379 INFO L471 AbstractCegarLoop]: Abstraction has 502 states and 574 transitions. [2024-11-28 04:17:25,380 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 25.3) internal successors, (253), 11 states have internal predecessors, (253), 5 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 5 states have call predecessors, (23), 5 states have call successors, (23) [2024-11-28 04:17:25,380 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 574 transitions. [2024-11-28 04:17:25,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-11-28 04:17:25,382 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:17:25,382 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-28 04:17:25,392 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-11-28 04:17:25,582 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2024-11-28 04:17:25,582 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-28 04:17:25,583 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:17:25,583 INFO L85 PathProgramCache]: Analyzing trace with hash 202093542, now seen corresponding path program 1 times [2024-11-28 04:17:25,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:17:25,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745217611] [2024-11-28 04:17:25,583 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:17:25,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:17:25,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 04:17:25,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1636911397] [2024-11-28 04:17:25,625 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:17:25,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:17:25,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:17:25,629 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:17:25,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-28 04:17:25,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:17:25,716 INFO L256 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-28 04:17:25,722 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:17:26,561 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-28 04:17:26,561 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:17:27,133 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-28 04:17:27,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:17:27,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745217611] [2024-11-28 04:17:27,133 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 04:17:27,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1636911397] [2024-11-28 04:17:27,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1636911397] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:17:27,133 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 04:17:27,133 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2024-11-28 04:17:27,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281829689] [2024-11-28 04:17:27,134 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 04:17:27,134 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-28 04:17:27,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:17:27,135 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-28 04:17:27,135 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2024-11-28 04:17:27,135 INFO L87 Difference]: Start difference. First operand 502 states and 574 transitions. Second operand has 16 states, 15 states have (on average 18.8) internal successors, (282), 16 states have internal predecessors, (282), 6 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 6 states have call predecessors, (26), 6 states have call successors, (26) [2024-11-28 04:17:31,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:17:31,353 INFO L93 Difference]: Finished difference Result 802 states and 970 transitions. [2024-11-28 04:17:31,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-28 04:17:31,354 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 18.8) internal successors, (282), 16 states have internal predecessors, (282), 6 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 6 states have call predecessors, (26), 6 states have call successors, (26) Word has length 206 [2024-11-28 04:17:31,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:17:31,358 INFO L225 Difference]: With dead ends: 802 [2024-11-28 04:17:31,358 INFO L226 Difference]: Without dead ends: 717 [2024-11-28 04:17:31,359 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 417 GetRequests, 396 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=179, Invalid=327, Unknown=0, NotChecked=0, Total=506 [2024-11-28 04:17:31,359 INFO L435 NwaCegarLoop]: 122 mSDtfsCounter, 1103 mSDsluCounter, 831 mSDsCounter, 0 mSdLazyCounter, 2588 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1117 SdHoareTripleChecker+Valid, 953 SdHoareTripleChecker+Invalid, 2691 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 2588 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2024-11-28 04:17:31,360 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1117 Valid, 953 Invalid, 2691 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 2588 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2024-11-28 04:17:31,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 717 states. [2024-11-28 04:17:31,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 717 to 519. [2024-11-28 04:17:31,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 519 states, 425 states have (on average 1.2164705882352942) internal successors, (517), 482 states have internal predecessors, (517), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-28 04:17:31,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 587 transitions. [2024-11-28 04:17:31,401 INFO L78 Accepts]: Start accepts. Automaton has 519 states and 587 transitions. Word has length 206 [2024-11-28 04:17:31,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:17:31,402 INFO L471 AbstractCegarLoop]: Abstraction has 519 states and 587 transitions. [2024-11-28 04:17:31,402 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 18.8) internal successors, (282), 16 states have internal predecessors, (282), 6 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 6 states have call predecessors, (26), 6 states have call successors, (26) [2024-11-28 04:17:31,402 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 587 transitions. [2024-11-28 04:17:31,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2024-11-28 04:17:31,404 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:17:31,404 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:17:31,415 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-11-28 04:17:31,607 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2024-11-28 04:17:31,607 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr60ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-28 04:17:31,607 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:17:31,608 INFO L85 PathProgramCache]: Analyzing trace with hash 809765124, now seen corresponding path program 2 times [2024-11-28 04:17:31,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:17:31,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685777024] [2024-11-28 04:17:31,608 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 04:17:31,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:17:31,639 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 04:17:31,640 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 04:17:31,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1113037009] [2024-11-28 04:17:31,641 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 04:17:31,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:17:31,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:17:31,645 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:17:31,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-28 04:17:31,747 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 04:17:31,747 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:17:31,749 INFO L256 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-28 04:17:31,753 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:17:32,204 INFO L134 CoverageAnalysis]: Checked inductivity of 644 backedges. 0 proven. 164 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 04:17:32,204 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:17:32,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:17:32,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685777024] [2024-11-28 04:17:32,737 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 04:17:32,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1113037009] [2024-11-28 04:17:32,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1113037009] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:17:32,737 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:17:32,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-28 04:17:32,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630489795] [2024-11-28 04:17:32,737 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 04:17:32,738 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 04:17:32,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:17:32,738 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 04:17:32,738 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-28 04:17:32,739 INFO L87 Difference]: Start difference. First operand 519 states and 587 transitions. Second operand has 8 states, 7 states have (on average 24.428571428571427) internal successors, (171), 8 states have internal predecessors, (171), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2024-11-28 04:17:33,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:17:33,400 INFO L93 Difference]: Finished difference Result 520 states and 587 transitions. [2024-11-28 04:17:33,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 04:17:33,400 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 24.428571428571427) internal successors, (171), 8 states have internal predecessors, (171), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) Word has length 248 [2024-11-28 04:17:33,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:17:33,402 INFO L225 Difference]: With dead ends: 520 [2024-11-28 04:17:33,402 INFO L226 Difference]: Without dead ends: 519 [2024-11-28 04:17:33,403 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 300 GetRequests, 290 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-11-28 04:17:33,403 INFO L435 NwaCegarLoop]: 238 mSDtfsCounter, 59 mSDsluCounter, 1067 mSDsCounter, 0 mSdLazyCounter, 923 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 1305 SdHoareTripleChecker+Invalid, 926 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 923 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 04:17:33,403 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 1305 Invalid, 926 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 923 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 04:17:33,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2024-11-28 04:17:33,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 519. [2024-11-28 04:17:33,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 519 states, 425 states have (on average 1.2141176470588235) internal successors, (516), 482 states have internal predecessors, (516), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-28 04:17:33,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 586 transitions. [2024-11-28 04:17:33,431 INFO L78 Accepts]: Start accepts. Automaton has 519 states and 586 transitions. Word has length 248 [2024-11-28 04:17:33,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:17:33,432 INFO L471 AbstractCegarLoop]: Abstraction has 519 states and 586 transitions. [2024-11-28 04:17:33,432 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 24.428571428571427) internal successors, (171), 8 states have internal predecessors, (171), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2024-11-28 04:17:33,432 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 586 transitions. [2024-11-28 04:17:33,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2024-11-28 04:17:33,433 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:17:33,434 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:17:33,440 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-11-28 04:17:33,634 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:17:33,634 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-28 04:17:33,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:17:33,635 INFO L85 PathProgramCache]: Analyzing trace with hash -667084747, now seen corresponding path program 1 times [2024-11-28 04:17:33,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:17:33,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646861821] [2024-11-28 04:17:33,635 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:17:33,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:17:33,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 04:17:33,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1265316288] [2024-11-28 04:17:33,663 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:17:33,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:17:33,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:17:33,665 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:17:33,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-28 04:17:33,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:17:33,767 INFO L256 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-28 04:17:33,771 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:17:34,260 INFO L134 CoverageAnalysis]: Checked inductivity of 644 backedges. 0 proven. 164 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 04:17:34,260 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:17:34,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:17:34,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646861821] [2024-11-28 04:17:34,844 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 04:17:34,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1265316288] [2024-11-28 04:17:34,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1265316288] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:17:34,844 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:17:34,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-28 04:17:34,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537748889] [2024-11-28 04:17:34,845 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 04:17:34,845 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 04:17:34,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:17:34,845 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 04:17:34,845 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-28 04:17:34,846 INFO L87 Difference]: Start difference. First operand 519 states and 586 transitions. Second operand has 8 states, 7 states have (on average 24.571428571428573) internal successors, (172), 8 states have internal predecessors, (172), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2024-11-28 04:17:35,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:17:35,415 INFO L93 Difference]: Finished difference Result 520 states and 586 transitions. [2024-11-28 04:17:35,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 04:17:35,415 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 24.571428571428573) internal successors, (172), 8 states have internal predecessors, (172), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) Word has length 249 [2024-11-28 04:17:35,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:17:35,417 INFO L225 Difference]: With dead ends: 520 [2024-11-28 04:17:35,417 INFO L226 Difference]: Without dead ends: 519 [2024-11-28 04:17:35,417 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 302 GetRequests, 292 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-11-28 04:17:35,417 INFO L435 NwaCegarLoop]: 240 mSDtfsCounter, 92 mSDsluCounter, 951 mSDsCounter, 0 mSdLazyCounter, 752 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 1191 SdHoareTripleChecker+Invalid, 757 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 752 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 04:17:35,418 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 1191 Invalid, 757 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 752 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 04:17:35,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2024-11-28 04:17:35,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 519. [2024-11-28 04:17:35,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 519 states, 425 states have (on average 1.2117647058823529) internal successors, (515), 482 states have internal predecessors, (515), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-28 04:17:35,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 585 transitions. [2024-11-28 04:17:35,454 INFO L78 Accepts]: Start accepts. Automaton has 519 states and 585 transitions. Word has length 249 [2024-11-28 04:17:35,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:17:35,455 INFO L471 AbstractCegarLoop]: Abstraction has 519 states and 585 transitions. [2024-11-28 04:17:35,455 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 24.571428571428573) internal successors, (172), 8 states have internal predecessors, (172), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2024-11-28 04:17:35,455 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 585 transitions. [2024-11-28 04:17:35,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2024-11-28 04:17:35,456 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:17:35,457 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:17:35,466 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-11-28 04:17:35,657 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-11-28 04:17:35,657 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr64ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-28 04:17:35,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:17:35,658 INFO L85 PathProgramCache]: Analyzing trace with hash -307833528, now seen corresponding path program 2 times [2024-11-28 04:17:35,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:17:35,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518228488] [2024-11-28 04:17:35,658 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 04:17:35,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:17:35,700 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 04:17:35,700 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 04:17:35,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1232012266] [2024-11-28 04:17:35,701 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 04:17:35,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:17:35,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:17:35,706 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:17:35,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-28 04:17:35,819 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 04:17:35,819 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:17:35,824 INFO L256 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-28 04:17:35,830 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:17:36,827 INFO L134 CoverageAnalysis]: Checked inductivity of 644 backedges. 0 proven. 164 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 04:17:36,827 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:17:37,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:17:37,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518228488] [2024-11-28 04:17:37,192 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 04:17:37,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1232012266] [2024-11-28 04:17:37,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1232012266] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:17:37,193 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:17:37,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-28 04:17:37,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132614553] [2024-11-28 04:17:37,193 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 04:17:37,193 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 04:17:37,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:17:37,194 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 04:17:37,194 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-11-28 04:17:37,194 INFO L87 Difference]: Start difference. First operand 519 states and 585 transitions. Second operand has 10 states, 9 states have (on average 19.444444444444443) internal successors, (175), 10 states have internal predecessors, (175), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-28 04:17:39,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:17:39,057 INFO L93 Difference]: Finished difference Result 519 states and 585 transitions. [2024-11-28 04:17:39,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-28 04:17:39,057 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 19.444444444444443) internal successors, (175), 10 states have internal predecessors, (175), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 252 [2024-11-28 04:17:39,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:17:39,060 INFO L225 Difference]: With dead ends: 519 [2024-11-28 04:17:39,060 INFO L226 Difference]: Without dead ends: 516 [2024-11-28 04:17:39,060 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 267 GetRequests, 249 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=113, Invalid=267, Unknown=0, NotChecked=0, Total=380 [2024-11-28 04:17:39,061 INFO L435 NwaCegarLoop]: 47 mSDtfsCounter, 546 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 1463 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 546 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 1507 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 1463 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-28 04:17:39,061 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [546 Valid, 197 Invalid, 1507 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 1463 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-28 04:17:39,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 516 states. [2024-11-28 04:17:39,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 516 to 516. [2024-11-28 04:17:39,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 516 states, 425 states have (on average 1.2) internal successors, (510), 479 states have internal predecessors, (510), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-28 04:17:39,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 516 states and 580 transitions. [2024-11-28 04:17:39,098 INFO L78 Accepts]: Start accepts. Automaton has 516 states and 580 transitions. Word has length 252 [2024-11-28 04:17:39,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:17:39,098 INFO L471 AbstractCegarLoop]: Abstraction has 516 states and 580 transitions. [2024-11-28 04:17:39,098 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 19.444444444444443) internal successors, (175), 10 states have internal predecessors, (175), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-28 04:17:39,098 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 580 transitions. [2024-11-28 04:17:39,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2024-11-28 04:17:39,099 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:17:39,100 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:17:39,110 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2024-11-28 04:17:39,300 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-11-28 04:17:39,300 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr65ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-28 04:17:39,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:17:39,301 INFO L85 PathProgramCache]: Analyzing trace with hash -952904583, now seen corresponding path program 1 times [2024-11-28 04:17:39,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:17:39,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404989823] [2024-11-28 04:17:39,301 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:17:39,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:17:39,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 04:17:39,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1701681610] [2024-11-28 04:17:39,332 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:17:39,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:17:39,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:17:39,334 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:17:39,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-28 04:17:39,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:17:39,444 INFO L256 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-28 04:17:39,447 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:17:40,624 INFO L134 CoverageAnalysis]: Checked inductivity of 644 backedges. 0 proven. 164 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 04:17:40,624 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:17:40,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:17:40,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404989823] [2024-11-28 04:17:40,800 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 04:17:40,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1701681610] [2024-11-28 04:17:40,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1701681610] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:17:40,800 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:17:40,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-28 04:17:40,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788412660] [2024-11-28 04:17:40,800 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 04:17:40,800 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 04:17:40,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:17:40,801 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 04:17:40,801 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2024-11-28 04:17:40,801 INFO L87 Difference]: Start difference. First operand 516 states and 580 transitions. Second operand has 11 states, 10 states have (on average 17.6) internal successors, (176), 11 states have internal predecessors, (176), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-28 04:17:42,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:17:42,036 INFO L93 Difference]: Finished difference Result 519 states and 580 transitions. [2024-11-28 04:17:42,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-28 04:17:42,037 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 17.6) internal successors, (176), 11 states have internal predecessors, (176), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 253 [2024-11-28 04:17:42,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:17:42,039 INFO L225 Difference]: With dead ends: 519 [2024-11-28 04:17:42,039 INFO L226 Difference]: Without dead ends: 516 [2024-11-28 04:17:42,039 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 260 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2024-11-28 04:17:42,040 INFO L435 NwaCegarLoop]: 156 mSDtfsCounter, 54 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 2162 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 428 SdHoareTripleChecker+Invalid, 2167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 2162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:17:42,040 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 428 Invalid, 2167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 2162 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-28 04:17:42,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 516 states. [2024-11-28 04:17:42,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 516 to 516. [2024-11-28 04:17:42,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 516 states, 425 states have (on average 1.1929411764705882) internal successors, (507), 479 states have internal predecessors, (507), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-28 04:17:42,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 516 states and 577 transitions. [2024-11-28 04:17:42,068 INFO L78 Accepts]: Start accepts. Automaton has 516 states and 577 transitions. Word has length 253 [2024-11-28 04:17:42,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:17:42,069 INFO L471 AbstractCegarLoop]: Abstraction has 516 states and 577 transitions. [2024-11-28 04:17:42,069 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 17.6) internal successors, (176), 11 states have internal predecessors, (176), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-28 04:17:42,069 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 577 transitions. [2024-11-28 04:17:42,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2024-11-28 04:17:42,070 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:17:42,070 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 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, 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, 3, 3, 1, 1, 1, 1, 1] [2024-11-28 04:17:42,077 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2024-11-28 04:17:42,271 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-11-28 04:17:42,271 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-28 04:17:42,271 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:17:42,272 INFO L85 PathProgramCache]: Analyzing trace with hash 2048187355, now seen corresponding path program 1 times [2024-11-28 04:17:42,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:17:42,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526819010] [2024-11-28 04:17:42,272 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:17:42,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:17:42,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:17:42,580 INFO L134 CoverageAnalysis]: Checked inductivity of 699 backedges. 113 proven. 106 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 04:17:42,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:17:42,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526819010] [2024-11-28 04:17:42,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526819010] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:17:42,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1252097555] [2024-11-28 04:17:42,581 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:17:42,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:17:42,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:17:42,584 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:17:42,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-28 04:17:42,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:17:42,694 INFO L256 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-28 04:17:42,698 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:17:43,575 INFO L134 CoverageAnalysis]: Checked inductivity of 699 backedges. 279 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-28 04:17:43,575 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:17:43,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1252097555] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:17:43,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:17:43,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2024-11-28 04:17:43,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679262449] [2024-11-28 04:17:43,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:17:43,576 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 04:17:43,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:17:43,576 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 04:17:43,576 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2024-11-28 04:17:43,576 INFO L87 Difference]: Start difference. First operand 516 states and 577 transitions. Second operand has 7 states, 7 states have (on average 26.714285714285715) internal successors, (187), 7 states have internal predecessors, (187), 4 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-28 04:17:43,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:17:43,790 INFO L93 Difference]: Finished difference Result 524 states and 580 transitions. [2024-11-28 04:17:43,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 04:17:43,791 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 26.714285714285715) internal successors, (187), 7 states have internal predecessors, (187), 4 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 261 [2024-11-28 04:17:43,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:17:43,792 INFO L225 Difference]: With dead ends: 524 [2024-11-28 04:17:43,792 INFO L226 Difference]: Without dead ends: 218 [2024-11-28 04:17:43,792 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 267 GetRequests, 257 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2024-11-28 04:17:43,793 INFO L435 NwaCegarLoop]: 144 mSDtfsCounter, 96 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 259 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 373 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:17:43,793 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 373 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 259 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 04:17:43,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2024-11-28 04:17:43,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 218. [2024-11-28 04:17:43,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 196 states have (on average 1.0153061224489797) internal successors, (199), 199 states have internal predecessors, (199), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-28 04:17:43,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 233 transitions. [2024-11-28 04:17:43,810 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 233 transitions. Word has length 261 [2024-11-28 04:17:43,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:17:43,811 INFO L471 AbstractCegarLoop]: Abstraction has 218 states and 233 transitions. [2024-11-28 04:17:43,811 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 26.714285714285715) internal successors, (187), 7 states have internal predecessors, (187), 4 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-28 04:17:43,811 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 233 transitions. [2024-11-28 04:17:43,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2024-11-28 04:17:43,812 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:17:43,813 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 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, 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, 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, 1, 1, 1, 1] [2024-11-28 04:17:43,824 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2024-11-28 04:17:44,013 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-11-28 04:17:44,013 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr82ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-28 04:17:44,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:17:44,014 INFO L85 PathProgramCache]: Analyzing trace with hash 187836203, now seen corresponding path program 1 times [2024-11-28 04:17:44,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:17:44,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016421768] [2024-11-28 04:17:44,014 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:17:44,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:17:44,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:17:44,196 INFO L134 CoverageAnalysis]: Checked inductivity of 708 backedges. 164 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-28 04:17:44,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:17:44,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016421768] [2024-11-28 04:17:44,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1016421768] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:17:44,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:17:44,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:17:44,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823542125] [2024-11-28 04:17:44,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:17:44,198 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:17:44,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:17:44,198 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:17:44,198 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:17:44,199 INFO L87 Difference]: Start difference. First operand 218 states and 233 transitions. Second operand has 6 states, 5 states have (on average 38.6) internal successors, (193), 6 states have internal predecessors, (193), 3 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-28 04:17:44,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:17:44,595 INFO L93 Difference]: Finished difference Result 218 states and 233 transitions. [2024-11-28 04:17:44,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 04:17:44,596 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 38.6) internal successors, (193), 6 states have internal predecessors, (193), 3 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 275 [2024-11-28 04:17:44,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:17:44,597 INFO L225 Difference]: With dead ends: 218 [2024-11-28 04:17:44,597 INFO L226 Difference]: Without dead ends: 216 [2024-11-28 04:17:44,597 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-28 04:17:44,598 INFO L435 NwaCegarLoop]: 131 mSDtfsCounter, 69 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 306 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 04:17:44,598 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 296 Invalid, 313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 306 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 04:17:44,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2024-11-28 04:17:44,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 216. [2024-11-28 04:17:44,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 196 states have (on average 1.0051020408163265) internal successors, (197), 197 states have internal predecessors, (197), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-28 04:17:44,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 231 transitions. [2024-11-28 04:17:44,615 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 231 transitions. Word has length 275 [2024-11-28 04:17:44,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:17:44,615 INFO L471 AbstractCegarLoop]: Abstraction has 216 states and 231 transitions. [2024-11-28 04:17:44,615 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 38.6) internal successors, (193), 6 states have internal predecessors, (193), 3 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-28 04:17:44,616 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 231 transitions. [2024-11-28 04:17:44,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2024-11-28 04:17:44,617 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:17:44,617 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 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, 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, 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, 1, 1, 1, 1, 1] [2024-11-28 04:17:44,617 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-11-28 04:17:44,618 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr83ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-11-28 04:17:44,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:17:44,618 INFO L85 PathProgramCache]: Analyzing trace with hash 1527955227, now seen corresponding path program 2 times [2024-11-28 04:17:44,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:17:44,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177662194] [2024-11-28 04:17:44,618 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 04:17:44,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:17:44,663 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 04:17:44,664 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:17:45,028 INFO L134 CoverageAnalysis]: Checked inductivity of 708 backedges. 0 proven. 164 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-28 04:17:45,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:17:45,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177662194] [2024-11-28 04:17:45,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1177662194] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:17:45,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [751244073] [2024-11-28 04:17:45,029 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 04:17:45,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:17:45,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:17:45,031 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:17:45,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-28 04:17:45,139 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 04:17:45,139 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:17:45,141 INFO L256 TraceCheckSpWp]: Trace formula consists of 392 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-28 04:17:45,145 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:17:45,987 INFO L134 CoverageAnalysis]: Checked inductivity of 708 backedges. 0 proven. 164 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-28 04:17:45,987 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:17:47,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [751244073] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:17:47,303 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 04:17:47,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2024-11-28 04:17:47,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218651544] [2024-11-28 04:17:47,303 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 04:17:47,304 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-28 04:17:47,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:17:47,305 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-28 04:17:47,305 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=353, Unknown=0, NotChecked=0, Total=420 [2024-11-28 04:17:47,305 INFO L87 Difference]: Start difference. First operand 216 states and 231 transitions. Second operand has 16 states, 15 states have (on average 25.466666666666665) internal successors, (382), 16 states have internal predecessors, (382), 6 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 6 states have call predecessors, (34), 6 states have call successors, (34) [2024-11-28 04:17:48,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:17:48,636 INFO L93 Difference]: Finished difference Result 216 states and 231 transitions. [2024-11-28 04:17:48,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 04:17:48,637 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 25.466666666666665) internal successors, (382), 16 states have internal predecessors, (382), 6 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 6 states have call predecessors, (34), 6 states have call successors, (34) Word has length 276 [2024-11-28 04:17:48,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:17:48,637 INFO L225 Difference]: With dead ends: 216 [2024-11-28 04:17:48,638 INFO L226 Difference]: Without dead ends: 0 [2024-11-28 04:17:48,638 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 412 GetRequests, 386 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=146, Invalid=610, Unknown=0, NotChecked=0, Total=756 [2024-11-28 04:17:48,638 INFO L435 NwaCegarLoop]: 49 mSDtfsCounter, 234 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 1540 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 234 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 1565 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1540 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:17:48,639 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [234 Valid, 323 Invalid, 1565 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1540 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-28 04:17:48,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-28 04:17:48,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-28 04:17:48,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2024-11-28 04:17:48,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-28 04:17:48,639 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 276 [2024-11-28 04:17:48,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:17:48,639 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 04:17:48,640 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 25.466666666666665) internal successors, (382), 16 states have internal predecessors, (382), 6 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 6 states have call predecessors, (34), 6 states have call successors, (34) [2024-11-28 04:17:48,640 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-28 04:17:48,640 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-28 04:17:48,642 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (137 of 138 remaining) [2024-11-28 04:17:48,642 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (136 of 138 remaining) [2024-11-28 04:17:48,642 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (135 of 138 remaining) [2024-11-28 04:17:48,642 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (134 of 138 remaining) [2024-11-28 04:17:48,642 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (133 of 138 remaining) [2024-11-28 04:17:48,642 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (132 of 138 remaining) [2024-11-28 04:17:48,643 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (131 of 138 remaining) [2024-11-28 04:17:48,643 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (130 of 138 remaining) [2024-11-28 04:17:48,643 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (129 of 138 remaining) [2024-11-28 04:17:48,643 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (128 of 138 remaining) [2024-11-28 04:17:48,643 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (127 of 138 remaining) [2024-11-28 04:17:48,643 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (126 of 138 remaining) [2024-11-28 04:17:48,643 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (125 of 138 remaining) [2024-11-28 04:17:48,643 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (124 of 138 remaining) [2024-11-28 04:17:48,643 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (123 of 138 remaining) [2024-11-28 04:17:48,643 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (122 of 138 remaining) [2024-11-28 04:17:48,643 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (121 of 138 remaining) [2024-11-28 04:17:48,643 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (120 of 138 remaining) [2024-11-28 04:17:48,643 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (119 of 138 remaining) [2024-11-28 04:17:48,643 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (118 of 138 remaining) [2024-11-28 04:17:48,643 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (117 of 138 remaining) [2024-11-28 04:17:48,644 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (116 of 138 remaining) [2024-11-28 04:17:48,644 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (115 of 138 remaining) [2024-11-28 04:17:48,644 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (114 of 138 remaining) [2024-11-28 04:17:48,644 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (113 of 138 remaining) [2024-11-28 04:17:48,644 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (112 of 138 remaining) [2024-11-28 04:17:48,644 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (111 of 138 remaining) [2024-11-28 04:17:48,644 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (110 of 138 remaining) [2024-11-28 04:17:48,645 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (109 of 138 remaining) [2024-11-28 04:17:48,645 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (108 of 138 remaining) [2024-11-28 04:17:48,645 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (107 of 138 remaining) [2024-11-28 04:17:48,645 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (106 of 138 remaining) [2024-11-28 04:17:48,645 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (105 of 138 remaining) [2024-11-28 04:17:48,645 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (104 of 138 remaining) [2024-11-28 04:17:48,645 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (103 of 138 remaining) [2024-11-28 04:17:48,645 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (102 of 138 remaining) [2024-11-28 04:17:48,645 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW (101 of 138 remaining) [2024-11-28 04:17:48,646 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW (100 of 138 remaining) [2024-11-28 04:17:48,646 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW (99 of 138 remaining) [2024-11-28 04:17:48,646 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW (98 of 138 remaining) [2024-11-28 04:17:48,646 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW (97 of 138 remaining) [2024-11-28 04:17:48,646 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW (96 of 138 remaining) [2024-11-28 04:17:48,646 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW (95 of 138 remaining) [2024-11-28 04:17:48,646 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW (94 of 138 remaining) [2024-11-28 04:17:48,646 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW (93 of 138 remaining) [2024-11-28 04:17:48,646 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW (92 of 138 remaining) [2024-11-28 04:17:48,646 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW (91 of 138 remaining) [2024-11-28 04:17:48,646 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW (90 of 138 remaining) [2024-11-28 04:17:48,646 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW (89 of 138 remaining) [2024-11-28 04:17:48,646 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW (88 of 138 remaining) [2024-11-28 04:17:48,646 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW (87 of 138 remaining) [2024-11-28 04:17:48,646 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW (86 of 138 remaining) [2024-11-28 04:17:48,647 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW (85 of 138 remaining) [2024-11-28 04:17:48,647 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW (84 of 138 remaining) [2024-11-28 04:17:48,647 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW (83 of 138 remaining) [2024-11-28 04:17:48,647 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW (82 of 138 remaining) [2024-11-28 04:17:48,647 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW (81 of 138 remaining) [2024-11-28 04:17:48,647 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW (80 of 138 remaining) [2024-11-28 04:17:48,647 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW (79 of 138 remaining) [2024-11-28 04:17:48,647 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW (78 of 138 remaining) [2024-11-28 04:17:48,647 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr60ASSERT_VIOLATIONINTEGER_OVERFLOW (77 of 138 remaining) [2024-11-28 04:17:48,647 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW (76 of 138 remaining) [2024-11-28 04:17:48,647 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr62ASSERT_VIOLATIONINTEGER_OVERFLOW (75 of 138 remaining) [2024-11-28 04:17:48,647 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr63ASSERT_VIOLATIONINTEGER_OVERFLOW (74 of 138 remaining) [2024-11-28 04:17:48,647 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr64ASSERT_VIOLATIONINTEGER_OVERFLOW (73 of 138 remaining) [2024-11-28 04:17:48,647 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr65ASSERT_VIOLATIONINTEGER_OVERFLOW (72 of 138 remaining) [2024-11-28 04:17:48,647 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr66ASSERT_VIOLATIONINTEGER_OVERFLOW (71 of 138 remaining) [2024-11-28 04:17:48,648 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr67ASSERT_VIOLATIONINTEGER_OVERFLOW (70 of 138 remaining) [2024-11-28 04:17:48,648 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr68ASSERT_VIOLATIONINTEGER_OVERFLOW (69 of 138 remaining) [2024-11-28 04:17:48,648 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr69ASSERT_VIOLATIONINTEGER_OVERFLOW (68 of 138 remaining) [2024-11-28 04:17:48,648 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr70ASSERT_VIOLATIONINTEGER_OVERFLOW (67 of 138 remaining) [2024-11-28 04:17:48,648 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr71ASSERT_VIOLATIONINTEGER_OVERFLOW (66 of 138 remaining) [2024-11-28 04:17:48,648 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr72ASSERT_VIOLATIONINTEGER_OVERFLOW (65 of 138 remaining) [2024-11-28 04:17:48,649 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr73ASSERT_VIOLATIONINTEGER_OVERFLOW (64 of 138 remaining) [2024-11-28 04:17:48,649 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr74ASSERT_VIOLATIONINTEGER_OVERFLOW (63 of 138 remaining) [2024-11-28 04:17:48,649 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr75ASSERT_VIOLATIONINTEGER_OVERFLOW (62 of 138 remaining) [2024-11-28 04:17:48,649 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr76ASSERT_VIOLATIONINTEGER_OVERFLOW (61 of 138 remaining) [2024-11-28 04:17:48,649 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr77ASSERT_VIOLATIONINTEGER_OVERFLOW (60 of 138 remaining) [2024-11-28 04:17:48,649 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr78ASSERT_VIOLATIONINTEGER_OVERFLOW (59 of 138 remaining) [2024-11-28 04:17:48,649 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr79ASSERT_VIOLATIONINTEGER_OVERFLOW (58 of 138 remaining) [2024-11-28 04:17:48,649 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr80ASSERT_VIOLATIONINTEGER_OVERFLOW (57 of 138 remaining) [2024-11-28 04:17:48,649 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr81ASSERT_VIOLATIONINTEGER_OVERFLOW (56 of 138 remaining) [2024-11-28 04:17:48,650 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr82ASSERT_VIOLATIONINTEGER_OVERFLOW (55 of 138 remaining) [2024-11-28 04:17:48,650 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr83ASSERT_VIOLATIONINTEGER_OVERFLOW (54 of 138 remaining) [2024-11-28 04:17:48,650 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr84ASSERT_VIOLATIONINTEGER_OVERFLOW (53 of 138 remaining) [2024-11-28 04:17:48,650 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr85ASSERT_VIOLATIONINTEGER_OVERFLOW (52 of 138 remaining) [2024-11-28 04:17:48,650 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr86ASSERT_VIOLATIONINTEGER_OVERFLOW (51 of 138 remaining) [2024-11-28 04:17:48,650 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr87ASSERT_VIOLATIONINTEGER_OVERFLOW (50 of 138 remaining) [2024-11-28 04:17:48,650 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr88ASSERT_VIOLATIONINTEGER_OVERFLOW (49 of 138 remaining) [2024-11-28 04:17:48,650 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr89ASSERT_VIOLATIONINTEGER_OVERFLOW (48 of 138 remaining) [2024-11-28 04:17:48,650 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr90ASSERT_VIOLATIONINTEGER_OVERFLOW (47 of 138 remaining) [2024-11-28 04:17:48,650 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr91ASSERT_VIOLATIONINTEGER_OVERFLOW (46 of 138 remaining) [2024-11-28 04:17:48,650 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr92ASSERT_VIOLATIONINTEGER_OVERFLOW (45 of 138 remaining) [2024-11-28 04:17:48,651 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr93ASSERT_VIOLATIONINTEGER_OVERFLOW (44 of 138 remaining) [2024-11-28 04:17:48,651 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr94ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 138 remaining) [2024-11-28 04:17:48,651 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr95ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 138 remaining) [2024-11-28 04:17:48,651 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr96ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 138 remaining) [2024-11-28 04:17:48,651 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr97ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 138 remaining) [2024-11-28 04:17:48,651 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr98ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 138 remaining) [2024-11-28 04:17:48,651 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr99ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 138 remaining) [2024-11-28 04:17:48,651 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr100ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 138 remaining) [2024-11-28 04:17:48,651 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr101ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 138 remaining) [2024-11-28 04:17:48,651 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr102ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 138 remaining) [2024-11-28 04:17:48,651 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr103ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 138 remaining) [2024-11-28 04:17:48,651 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr104ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 138 remaining) [2024-11-28 04:17:48,651 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr105ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 138 remaining) [2024-11-28 04:17:48,651 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr106ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 138 remaining) [2024-11-28 04:17:48,651 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr107ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 138 remaining) [2024-11-28 04:17:48,651 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr108ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 138 remaining) [2024-11-28 04:17:48,651 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr109ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 138 remaining) [2024-11-28 04:17:48,652 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr110ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 138 remaining) [2024-11-28 04:17:48,652 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr111ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 138 remaining) [2024-11-28 04:17:48,652 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr112ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 138 remaining) [2024-11-28 04:17:48,652 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr113ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 138 remaining) [2024-11-28 04:17:48,652 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr114ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 138 remaining) [2024-11-28 04:17:48,652 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr115ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 138 remaining) [2024-11-28 04:17:48,652 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr116ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 138 remaining) [2024-11-28 04:17:48,652 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr117ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 138 remaining) [2024-11-28 04:17:48,652 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr118ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 138 remaining) [2024-11-28 04:17:48,652 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr119ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 138 remaining) [2024-11-28 04:17:48,652 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr120ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 138 remaining) [2024-11-28 04:17:48,652 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr121ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 138 remaining) [2024-11-28 04:17:48,652 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr122ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 138 remaining) [2024-11-28 04:17:48,652 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr123ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 138 remaining) [2024-11-28 04:17:48,652 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr124ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 138 remaining) [2024-11-28 04:17:48,652 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr125ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 138 remaining) [2024-11-28 04:17:48,653 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr126ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 138 remaining) [2024-11-28 04:17:48,653 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr127ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 138 remaining) [2024-11-28 04:17:48,653 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr128ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 138 remaining) [2024-11-28 04:17:48,653 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr129ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 138 remaining) [2024-11-28 04:17:48,654 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr130ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 138 remaining) [2024-11-28 04:17:48,654 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr131ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 138 remaining) [2024-11-28 04:17:48,654 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr132ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 138 remaining) [2024-11-28 04:17:48,654 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr133ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 138 remaining) [2024-11-28 04:17:48,654 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr134ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 138 remaining) [2024-11-28 04:17:48,654 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr135ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 138 remaining) [2024-11-28 04:17:48,654 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr136ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 138 remaining) [2024-11-28 04:17:48,654 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr137ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 138 remaining) [2024-11-28 04:17:48,664 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2024-11-28 04:17:48,855 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41 [2024-11-28 04:17:48,858 INFO L422 BasicCegarLoop]: Path program histogram: [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] [2024-11-28 04:17:48,860 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-28 04:17:49,701 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 04:17:49,720 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:17:49 BoogieIcfgContainer [2024-11-28 04:17:49,720 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 04:17:49,721 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 04:17:49,721 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 04:17:49,721 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 04:17:49,722 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:16:25" (3/4) ... [2024-11-28 04:17:49,725 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 04:17:49,731 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-28 04:17:49,742 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-28 04:17:49,744 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-28 04:17:49,745 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-28 04:17:49,745 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 04:17:49,855 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 04:17:49,856 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 04:17:49,856 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 04:17:49,857 INFO L158 Benchmark]: Toolchain (without parser) took 85914.19ms. Allocated memory was 142.6MB in the beginning and 402.7MB in the end (delta: 260.0MB). Free memory was 105.5MB in the beginning and 239.4MB in the end (delta: -133.9MB). Peak memory consumption was 124.5MB. Max. memory is 16.1GB. [2024-11-28 04:17:49,857 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 167.8MB. Free memory is still 104.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:17:49,858 INFO L158 Benchmark]: CACSL2BoogieTranslator took 349.08ms. Allocated memory is still 142.6MB. Free memory was 105.5MB in the beginning and 93.6MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:17:49,858 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.55ms. Allocated memory is still 142.6MB. Free memory was 93.6MB in the beginning and 91.4MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:17:49,858 INFO L158 Benchmark]: Boogie Preprocessor took 73.29ms. Allocated memory is still 142.6MB. Free memory was 91.4MB in the beginning and 89.7MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:17:49,859 INFO L158 Benchmark]: RCFGBuilder took 1182.36ms. Allocated memory is still 142.6MB. Free memory was 89.7MB in the beginning and 51.9MB in the end (delta: 37.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-28 04:17:49,859 INFO L158 Benchmark]: TraceAbstraction took 84098.91ms. Allocated memory was 142.6MB in the beginning and 402.7MB in the end (delta: 260.0MB). Free memory was 51.2MB in the beginning and 243.7MB in the end (delta: -192.4MB). Peak memory consumption was 65.8MB. Max. memory is 16.1GB. [2024-11-28 04:17:49,859 INFO L158 Benchmark]: Witness Printer took 135.35ms. Allocated memory is still 402.7MB. Free memory was 243.7MB in the beginning and 239.4MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:17:49,860 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 167.8MB. Free memory is still 104.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 349.08ms. Allocated memory is still 142.6MB. Free memory was 105.5MB in the beginning and 93.6MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.55ms. Allocated memory is still 142.6MB. Free memory was 93.6MB in the beginning and 91.4MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 73.29ms. Allocated memory is still 142.6MB. Free memory was 91.4MB in the beginning and 89.7MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1182.36ms. Allocated memory is still 142.6MB. Free memory was 89.7MB in the beginning and 51.9MB in the end (delta: 37.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 84098.91ms. Allocated memory was 142.6MB in the beginning and 402.7MB in the end (delta: 260.0MB). Free memory was 51.2MB in the beginning and 243.7MB in the end (delta: -192.4MB). Peak memory consumption was 65.8MB. Max. memory is 16.1GB. * Witness Printer took 135.35ms. Allocated memory is still 402.7MB. Free memory was 243.7MB in the beginning and 239.4MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. 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 - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 302 locations, 138 error locations. Started 1 CEGAR loops. OverallTime: 83.2s, OverallIterations: 42, TraceHistogramMax: 17, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 39.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11533 SdHoareTripleChecker+Valid, 36.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11301 mSDsluCounter, 20579 SdHoareTripleChecker+Invalid, 32.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 13445 mSDsCounter, 806 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 30749 IncrementalHoareTripleChecker+Invalid, 31555 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 806 mSolverCounterUnsat, 7134 mSDtfsCounter, 30749 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7169 GetRequests, 6834 SyntacticMatches, 0 SemanticMatches, 335 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 646 ImplicationChecksByTransitivity, 7.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=519occurred in iteration=35, InterpolantAutomatonStates: 298, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 42 MinimizatonAttempts, 1118 StatesRemovedByMinimization, 23 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 32.5s InterpolantComputationTime, 10671 NumberOfCodeBlocks, 10671 NumberOfCodeBlocksAsserted, 82 NumberOfCheckSat, 9424 ConstructedInterpolants, 0 QuantifiedInterpolants, 55394 SizeOfPredicates, 30 NumberOfNonLiveVariables, 7206 ConjunctsInSsa, 247 ConjunctsInUnsatCore, 64 InterpolantComputations, 19 PerfectInterpolantSequences, 13415/16652 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 - AllSpecificationsHoldResult: All specifications hold 138 specifications checked. All of them hold - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: ((((((((a <= 1) && (7 == y)) && (z == 12)) && (x == 1)) && (n == 1)) && (0 <= a)) || ((((((a <= 1) && (y == 1)) && (n == 0)) && (0 <= a)) && (x == 0)) && (6 == z))) || (((((2 == n) && (a == 1)) && (x == 8)) && (19 == y)) && (z == 18))) RESULT: Ultimate proved your program to be correct! [2024-11-28 04:17:49,901 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cc0298-d87a-45fe-9b8b-652c60a26a01/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE