./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound5.i --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_710e718a-fa94-45a1-8052-3adfe7632514/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_710e718a-fa94-45a1-8052-3adfe7632514/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_710e718a-fa94-45a1-8052-3adfe7632514/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_710e718a-fa94-45a1-8052-3adfe7632514/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_710e718a-fa94-45a1-8052-3adfe7632514/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_710e718a-fa94-45a1-8052-3adfe7632514/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 e46fdb43c1704e8aa9295c108b22e9521ffebb273e9060ca31abf40569948ab2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:32:12,309 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:32:12,407 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_710e718a-fa94-45a1-8052-3adfe7632514/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-28 04:32:12,415 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:32:12,418 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:32:12,458 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:32:12,458 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:32:12,459 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:32:12,459 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:32:12,459 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:32:12,459 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:32:12,461 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:32:12,462 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:32:12,462 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:32:12,463 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:32:12,463 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:32:12,463 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:32:12,464 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:32:12,464 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:32:12,464 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:32:12,464 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:32:12,465 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:32:12,465 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:32:12,465 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:32:12,465 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-28 04:32:12,465 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 04:32:12,465 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:32:12,465 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:32:12,466 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:32:12,466 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:32:12,466 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:32:12,466 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:32:12,467 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:32:12,467 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:32:12,467 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:32:12,467 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:32:12,467 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:32:12,468 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:32:12,468 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:32:12,468 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:32:12,468 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:32:12,468 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:32:12,468 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:32:12,468 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:32:12,469 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 04:32:12,469 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 04:32:12,469 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:32:12,469 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:32:12,469 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:32:12,470 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:32:12,470 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_710e718a-fa94-45a1-8052-3adfe7632514/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 -> e46fdb43c1704e8aa9295c108b22e9521ffebb273e9060ca31abf40569948ab2 [2024-11-28 04:32:12,840 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:32:12,853 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:32:12,858 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:32:12,860 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:32:12,860 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:32:12,861 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_710e718a-fa94-45a1-8052-3adfe7632514/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound5.i [2024-11-28 04:32:16,069 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_710e718a-fa94-45a1-8052-3adfe7632514/bin/uautomizer-verify-aQ6SnzHsRB/data/5de1a170d/0528a40f723b4440a8458629262715df/FLAG7787229d1 [2024-11-28 04:32:16,369 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:32:16,370 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_710e718a-fa94-45a1-8052-3adfe7632514/sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound5.i [2024-11-28 04:32:16,392 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_710e718a-fa94-45a1-8052-3adfe7632514/bin/uautomizer-verify-aQ6SnzHsRB/data/5de1a170d/0528a40f723b4440a8458629262715df/FLAG7787229d1 [2024-11-28 04:32:16,416 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_710e718a-fa94-45a1-8052-3adfe7632514/bin/uautomizer-verify-aQ6SnzHsRB/data/5de1a170d/0528a40f723b4440a8458629262715df [2024-11-28 04:32:16,421 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:32:16,423 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:32:16,425 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:32:16,425 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:32:16,431 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:32:16,433 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:32:16" (1/1) ... [2024-11-28 04:32:16,436 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ca8832 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:16, skipping insertion in model container [2024-11-28 04:32:16,437 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:32:16" (1/1) ... [2024-11-28 04:32:16,457 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:32:16,657 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:32:16,675 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:32:16,696 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:32:16,716 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:32:16,717 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:16 WrapperNode [2024-11-28 04:32:16,718 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:32:16,719 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:32:16,719 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:32:16,719 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:32:16,729 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:16" (1/1) ... [2024-11-28 04:32:16,737 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:16" (1/1) ... [2024-11-28 04:32:16,757 INFO L138 Inliner]: procedures = 16, calls = 9, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 60 [2024-11-28 04:32:16,757 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:32:16,758 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:32:16,758 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:32:16,760 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:32:16,768 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:16" (1/1) ... [2024-11-28 04:32:16,769 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:16" (1/1) ... [2024-11-28 04:32:16,774 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:16" (1/1) ... [2024-11-28 04:32:16,793 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 04:32:16,793 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:16" (1/1) ... [2024-11-28 04:32:16,793 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:16" (1/1) ... [2024-11-28 04:32:16,802 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:16" (1/1) ... [2024-11-28 04:32:16,803 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:16" (1/1) ... [2024-11-28 04:32:16,810 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:16" (1/1) ... [2024-11-28 04:32:16,811 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:16" (1/1) ... [2024-11-28 04:32:16,814 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:16" (1/1) ... [2024-11-28 04:32:16,816 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:32:16,817 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:32:16,817 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:32:16,817 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:32:16,822 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:16" (1/1) ... [2024-11-28 04:32:16,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:32:16,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_710e718a-fa94-45a1-8052-3adfe7632514/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:32:16,868 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_710e718a-fa94-45a1-8052-3adfe7632514/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:32:16,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_710e718a-fa94-45a1-8052-3adfe7632514/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:32:16,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:32:16,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 04:32:16,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:32:16,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:32:16,906 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-28 04:32:16,906 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-28 04:32:16,978 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:32:16,980 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:32:17,181 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-11-28 04:32:17,182 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:32:17,198 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:32:17,198 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 04:32:17,198 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:32:17 BoogieIcfgContainer [2024-11-28 04:32:17,198 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:32:17,202 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:32:17,202 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:32:17,209 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:32:17,209 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:32:16" (1/3) ... [2024-11-28 04:32:17,210 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a107d5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:32:17, skipping insertion in model container [2024-11-28 04:32:17,211 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:16" (2/3) ... [2024-11-28 04:32:17,211 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a107d5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:32:17, skipping insertion in model container [2024-11-28 04:32:17,211 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:32:17" (3/3) ... [2024-11-28 04:32:17,214 INFO L128 eAbstractionObserver]: Analyzing ICFG divbin2_unwindbound5.i [2024-11-28 04:32:17,234 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:32:17,237 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG divbin2_unwindbound5.i that has 2 procedures, 30 locations, 1 initial locations, 2 loop locations, and 4 error locations. [2024-11-28 04:32:17,314 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:32:17,333 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;@29ca8734, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:32:17,334 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-28 04:32:17,338 INFO L276 IsEmpty]: Start isEmpty. Operand has 30 states, 22 states have (on average 1.5909090909090908) internal successors, (35), 26 states have internal predecessors, (35), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 04:32:17,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-28 04:32:17,342 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:32:17,343 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-28 04:32:17,343 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-28 04:32:17,349 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:32:17,349 INFO L85 PathProgramCache]: Analyzing trace with hash 925636, now seen corresponding path program 1 times [2024-11-28 04:32:17,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:32:17,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871496269] [2024-11-28 04:32:17,358 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:32:17,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:32:17,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:32:17,602 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 04:32:17,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:32:17,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871496269] [2024-11-28 04:32:17,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [871496269] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:32:17,603 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:32:17,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:32:17,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442760899] [2024-11-28 04:32:17,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:32:17,611 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:32:17,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:32:17,634 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:32:17,635 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:32:17,637 INFO L87 Difference]: Start difference. First operand has 30 states, 22 states have (on average 1.5909090909090908) internal successors, (35), 26 states have internal predecessors, (35), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:17,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:32:17,747 INFO L93 Difference]: Finished difference Result 55 states and 73 transitions. [2024-11-28 04:32:17,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:32:17,751 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-11-28 04:32:17,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:32:17,758 INFO L225 Difference]: With dead ends: 55 [2024-11-28 04:32:17,758 INFO L226 Difference]: Without dead ends: 26 [2024-11-28 04:32:17,764 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:32:17,770 INFO L435 NwaCegarLoop]: 26 mSDtfsCounter, 13 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:32:17,771 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 71 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:32:17,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2024-11-28 04:32:17,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 21. [2024-11-28 04:32:17,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 16 states have (on average 1.375) internal successors, (22), 18 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 04:32:17,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 24 transitions. [2024-11-28 04:32:17,821 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 24 transitions. Word has length 4 [2024-11-28 04:32:17,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:32:17,822 INFO L471 AbstractCegarLoop]: Abstraction has 21 states and 24 transitions. [2024-11-28 04:32:17,822 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:17,823 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2024-11-28 04:32:17,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-28 04:32:17,823 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:32:17,823 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-28 04:32:17,823 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 04:32:17,824 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-28 04:32:17,824 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:32:17,824 INFO L85 PathProgramCache]: Analyzing trace with hash 28694756, now seen corresponding path program 1 times [2024-11-28 04:32:17,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:32:17,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299933561] [2024-11-28 04:32:17,825 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:32:17,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:32:17,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:32:17,926 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 04:32:17,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:32:17,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299933561] [2024-11-28 04:32:17,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [299933561] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:32:17,926 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:32:17,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:32:17,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434124399] [2024-11-28 04:32:17,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:32:17,928 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:32:17,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:32:17,929 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:32:17,929 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:32:17,929 INFO L87 Difference]: Start difference. First operand 21 states and 24 transitions. Second operand has 4 states, 3 states have (on average 1.6666666666666667) 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 04:32:17,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:32:17,975 INFO L93 Difference]: Finished difference Result 39 states and 44 transitions. [2024-11-28 04:32:17,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:32:17,979 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) 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 04:32:17,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:32:17,980 INFO L225 Difference]: With dead ends: 39 [2024-11-28 04:32:17,980 INFO L226 Difference]: Without dead ends: 25 [2024-11-28 04:32:17,981 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:32:17,982 INFO L435 NwaCegarLoop]: 20 mSDtfsCounter, 3 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:32:17,982 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 54 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:32:17,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2024-11-28 04:32:17,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2024-11-28 04:32:17,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 20 states have (on average 1.3) internal successors, (26), 22 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 04:32:17,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 28 transitions. [2024-11-28 04:32:17,994 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 28 transitions. Word has length 5 [2024-11-28 04:32:17,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:32:17,994 INFO L471 AbstractCegarLoop]: Abstraction has 25 states and 28 transitions. [2024-11-28 04:32:17,995 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) 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 04:32:17,995 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2024-11-28 04:32:17,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-28 04:32:17,995 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:32:17,995 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:32:17,996 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 04:32:17,996 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-28 04:32:17,997 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:32:18,000 INFO L85 PathProgramCache]: Analyzing trace with hash 262869484, now seen corresponding path program 1 times [2024-11-28 04:32:18,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:32:18,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088091894] [2024-11-28 04:32:18,000 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:32:18,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:32:18,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:32:18,195 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 04:32:18,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:32:18,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088091894] [2024-11-28 04:32:18,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088091894] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:32:18,196 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:32:18,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:32:18,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110876381] [2024-11-28 04:32:18,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:32:18,196 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:32:18,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:32:18,197 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:32:18,197 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:32:18,197 INFO L87 Difference]: Start difference. First operand 25 states and 28 transitions. Second operand has 6 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 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 04:32:18,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:32:18,368 INFO L93 Difference]: Finished difference Result 25 states and 28 transitions. [2024-11-28 04:32:18,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 04:32:18,369 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 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 9 [2024-11-28 04:32:18,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:32:18,370 INFO L225 Difference]: With dead ends: 25 [2024-11-28 04:32:18,370 INFO L226 Difference]: Without dead ends: 24 [2024-11-28 04:32:18,371 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-28 04:32:18,372 INFO L435 NwaCegarLoop]: 12 mSDtfsCounter, 22 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:32:18,376 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 35 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:32:18,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2024-11-28 04:32:18,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2024-11-28 04:32:18,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 20 states have (on average 1.25) internal successors, (25), 21 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 04:32:18,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 27 transitions. [2024-11-28 04:32:18,384 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 27 transitions. Word has length 9 [2024-11-28 04:32:18,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:32:18,386 INFO L471 AbstractCegarLoop]: Abstraction has 24 states and 27 transitions. [2024-11-28 04:32:18,387 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 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 04:32:18,387 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2024-11-28 04:32:18,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-28 04:32:18,387 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:32:18,387 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:32:18,387 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 04:32:18,388 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-28 04:32:18,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:32:18,388 INFO L85 PathProgramCache]: Analyzing trace with hash -440980527, now seen corresponding path program 1 times [2024-11-28 04:32:18,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:32:18,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447050262] [2024-11-28 04:32:18,388 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:32:18,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:32:18,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:32:18,526 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 04:32:18,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:32:18,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447050262] [2024-11-28 04:32:18,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447050262] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:32:18,528 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:32:18,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:32:18,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758121085] [2024-11-28 04:32:18,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:32:18,528 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:32:18,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:32:18,531 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:32:18,531 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:32:18,531 INFO L87 Difference]: Start difference. First operand 24 states and 27 transitions. Second operand has 6 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 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 04:32:18,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:32:18,677 INFO L93 Difference]: Finished difference Result 34 states and 38 transitions. [2024-11-28 04:32:18,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 04:32:18,678 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 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 10 [2024-11-28 04:32:18,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:32:18,679 INFO L225 Difference]: With dead ends: 34 [2024-11-28 04:32:18,680 INFO L226 Difference]: Without dead ends: 33 [2024-11-28 04:32:18,680 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-28 04:32:18,681 INFO L435 NwaCegarLoop]: 15 mSDtfsCounter, 12 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:32:18,681 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 60 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:32:18,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2024-11-28 04:32:18,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 28. [2024-11-28 04:32:18,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 24 states have (on average 1.25) internal successors, (30), 25 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 04:32:18,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 32 transitions. [2024-11-28 04:32:18,689 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 32 transitions. Word has length 10 [2024-11-28 04:32:18,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:32:18,689 INFO L471 AbstractCegarLoop]: Abstraction has 28 states and 32 transitions. [2024-11-28 04:32:18,690 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 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 04:32:18,690 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2024-11-28 04:32:18,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-28 04:32:18,690 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:32:18,690 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2024-11-28 04:32:18,690 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 04:32:18,691 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-28 04:32:18,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:32:18,691 INFO L85 PathProgramCache]: Analyzing trace with hash -440941798, now seen corresponding path program 1 times [2024-11-28 04:32:18,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:32:18,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563014225] [2024-11-28 04:32:18,691 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:32:18,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:32:18,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:32:18,771 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:32:18,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:32:18,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563014225] [2024-11-28 04:32:18,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563014225] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:32:18,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1747041675] [2024-11-28 04:32:18,771 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:32:18,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:32:18,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_710e718a-fa94-45a1-8052-3adfe7632514/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:32:18,774 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_710e718a-fa94-45a1-8052-3adfe7632514/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:32:18,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_710e718a-fa94-45a1-8052-3adfe7632514/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 04:32:18,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:32:18,832 INFO L256 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 04:32:18,835 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:32:18,906 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:32:18,906 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:32:18,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1747041675] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:32:18,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:32:18,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 8 [2024-11-28 04:32:18,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008431130] [2024-11-28 04:32:18,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:32:18,907 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:32:18,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:32:18,908 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:32:18,908 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-28 04:32:18,908 INFO L87 Difference]: Start difference. First operand 28 states and 32 transitions. Second operand has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 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 04:32:18,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:32:18,977 INFO L93 Difference]: Finished difference Result 32 states and 36 transitions. [2024-11-28 04:32:18,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:32:18,978 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 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 10 [2024-11-28 04:32:18,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:32:18,979 INFO L225 Difference]: With dead ends: 32 [2024-11-28 04:32:18,979 INFO L226 Difference]: Without dead ends: 31 [2024-11-28 04:32:18,979 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-28 04:32:18,980 INFO L435 NwaCegarLoop]: 17 mSDtfsCounter, 9 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:32:18,980 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 58 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:32:18,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2024-11-28 04:32:18,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 27. [2024-11-28 04:32:18,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 24 states have (on average 1.2083333333333333) internal successors, (29), 24 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 04:32:18,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 31 transitions. [2024-11-28 04:32:18,996 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 31 transitions. Word has length 10 [2024-11-28 04:32:18,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:32:18,996 INFO L471 AbstractCegarLoop]: Abstraction has 27 states and 31 transitions. [2024-11-28 04:32:18,997 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 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 04:32:18,997 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2024-11-28 04:32:18,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-28 04:32:18,997 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:32:18,997 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:32:19,008 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_710e718a-fa94-45a1-8052-3adfe7632514/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 04:32:19,198 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_710e718a-fa94-45a1-8052-3adfe7632514/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:32:19,198 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-28 04:32:19,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:32:19,199 INFO L85 PathProgramCache]: Analyzing trace with hash -274597848, now seen corresponding path program 1 times [2024-11-28 04:32:19,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:32:19,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135847661] [2024-11-28 04:32:19,199 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:32:19,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:32:19,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:32:19,346 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:32:19,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:32:19,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135847661] [2024-11-28 04:32:19,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2135847661] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:32:19,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1989709086] [2024-11-28 04:32:19,350 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:32:19,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:32:19,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_710e718a-fa94-45a1-8052-3adfe7632514/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:32:19,354 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_710e718a-fa94-45a1-8052-3adfe7632514/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:32:19,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_710e718a-fa94-45a1-8052-3adfe7632514/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 04:32:19,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:32:19,405 INFO L256 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 04:32:19,407 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:32:19,450 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:32:19,450 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:32:19,536 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:32:19,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1989709086] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:32:19,537 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:32:19,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2024-11-28 04:32:19,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444120332] [2024-11-28 04:32:19,538 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:32:19,538 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 04:32:19,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:32:19,539 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 04:32:19,541 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-28 04:32:19,541 INFO L87 Difference]: Start difference. First operand 27 states and 31 transitions. Second operand has 10 states, 10 states have (on average 2.5) internal successors, (25), 9 states have internal predecessors, (25), 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 04:32:19,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:32:19,733 INFO L93 Difference]: Finished difference Result 61 states and 71 transitions. [2024-11-28 04:32:19,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-28 04:32:19,736 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.5) internal successors, (25), 9 states have internal predecessors, (25), 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 14 [2024-11-28 04:32:19,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:32:19,737 INFO L225 Difference]: With dead ends: 61 [2024-11-28 04:32:19,737 INFO L226 Difference]: Without dead ends: 49 [2024-11-28 04:32:19,737 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=99, Invalid=173, Unknown=0, NotChecked=0, Total=272 [2024-11-28 04:32:19,738 INFO L435 NwaCegarLoop]: 17 mSDtfsCounter, 31 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:32:19,738 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 83 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:32:19,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2024-11-28 04:32:19,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 41. [2024-11-28 04:32:19,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 38 states have (on average 1.1842105263157894) internal successors, (45), 38 states have internal predecessors, (45), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 04:32:19,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 47 transitions. [2024-11-28 04:32:19,754 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 47 transitions. Word has length 14 [2024-11-28 04:32:19,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:32:19,754 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 47 transitions. [2024-11-28 04:32:19,755 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.5) internal successors, (25), 9 states have internal predecessors, (25), 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 04:32:19,755 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 47 transitions. [2024-11-28 04:32:19,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-28 04:32:19,755 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:32:19,755 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:32:19,762 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_710e718a-fa94-45a1-8052-3adfe7632514/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-28 04:32:19,956 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_710e718a-fa94-45a1-8052-3adfe7632514/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-28 04:32:19,956 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-28 04:32:19,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:32:19,957 INFO L85 PathProgramCache]: Analyzing trace with hash 75314011, now seen corresponding path program 1 times [2024-11-28 04:32:19,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:32:19,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339302927] [2024-11-28 04:32:19,957 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:32:19,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:32:19,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:32:20,119 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:32:20,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:32:20,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339302927] [2024-11-28 04:32:20,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339302927] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:32:20,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [92517133] [2024-11-28 04:32:20,121 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:32:20,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:32:20,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_710e718a-fa94-45a1-8052-3adfe7632514/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:32:20,124 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_710e718a-fa94-45a1-8052-3adfe7632514/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:32:20,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_710e718a-fa94-45a1-8052-3adfe7632514/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 04:32:20,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:32:20,170 INFO L256 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 04:32:20,172 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:32:20,282 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:32:20,282 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:32:20,420 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:32:20,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [92517133] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:32:20,421 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:32:20,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 17 [2024-11-28 04:32:20,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889765012] [2024-11-28 04:32:20,421 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:32:20,422 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-28 04:32:20,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:32:20,422 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-28 04:32:20,423 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2024-11-28 04:32:20,423 INFO L87 Difference]: Start difference. First operand 41 states and 47 transitions. Second operand has 18 states, 17 states have (on average 2.411764705882353) internal successors, (41), 18 states have internal predecessors, (41), 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 04:32:20,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:32:20,838 INFO L93 Difference]: Finished difference Result 70 states and 81 transitions. [2024-11-28 04:32:20,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-28 04:32:20,838 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 2.411764705882353) internal successors, (41), 18 states have internal predecessors, (41), 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 15 [2024-11-28 04:32:20,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:32:20,839 INFO L225 Difference]: With dead ends: 70 [2024-11-28 04:32:20,839 INFO L226 Difference]: Without dead ends: 69 [2024-11-28 04:32:20,840 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=259, Invalid=733, Unknown=0, NotChecked=0, Total=992 [2024-11-28 04:32:20,841 INFO L435 NwaCegarLoop]: 13 mSDtfsCounter, 107 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:32:20,841 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 123 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:32:20,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2024-11-28 04:32:20,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 63. [2024-11-28 04:32:20,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 56 states have (on average 1.1607142857142858) internal successors, (65), 56 states have internal predecessors, (65), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-28 04:32:20,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 71 transitions. [2024-11-28 04:32:20,865 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 71 transitions. Word has length 15 [2024-11-28 04:32:20,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:32:20,866 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 71 transitions. [2024-11-28 04:32:20,866 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 2.411764705882353) internal successors, (41), 18 states have internal predecessors, (41), 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 04:32:20,866 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 71 transitions. [2024-11-28 04:32:20,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-28 04:32:20,868 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:32:20,868 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:32:20,874 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_710e718a-fa94-45a1-8052-3adfe7632514/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-28 04:32:21,068 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_710e718a-fa94-45a1-8052-3adfe7632514/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-11-28 04:32:21,069 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-28 04:32:21,069 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:32:21,069 INFO L85 PathProgramCache]: Analyzing trace with hash -258248724, now seen corresponding path program 1 times [2024-11-28 04:32:21,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:32:21,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883679795] [2024-11-28 04:32:21,069 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:32:21,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:32:21,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:32:21,496 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-28 04:32:21,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:32:21,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883679795] [2024-11-28 04:32:21,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [883679795] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:32:21,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1475470662] [2024-11-28 04:32:21,496 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:32:21,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:32:21,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_710e718a-fa94-45a1-8052-3adfe7632514/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:32:21,503 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_710e718a-fa94-45a1-8052-3adfe7632514/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:32:21,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_710e718a-fa94-45a1-8052-3adfe7632514/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 04:32:21,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:32:21,563 INFO L256 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-28 04:32:21,566 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:32:21,859 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:32:21,859 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:32:22,234 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-28 04:32:22,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1475470662] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:32:22,237 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:32:22,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 10] total 29 [2024-11-28 04:32:22,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391122286] [2024-11-28 04:32:22,238 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:32:22,238 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-11-28 04:32:22,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:32:22,241 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-11-28 04:32:22,242 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=212, Invalid=658, Unknown=0, NotChecked=0, Total=870 [2024-11-28 04:32:22,243 INFO L87 Difference]: Start difference. First operand 63 states and 71 transitions. Second operand has 30 states, 29 states have (on average 3.1724137931034484) internal successors, (92), 30 states have internal predecessors, (92), 9 states have call successors, (9), 4 states have call predecessors, (9), 4 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-28 04:32:23,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:32:23,120 INFO L93 Difference]: Finished difference Result 216 states and 245 transitions. [2024-11-28 04:32:23,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-11-28 04:32:23,121 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 3.1724137931034484) internal successors, (92), 30 states have internal predecessors, (92), 9 states have call successors, (9), 4 states have call predecessors, (9), 4 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Word has length 43 [2024-11-28 04:32:23,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:32:23,123 INFO L225 Difference]: With dead ends: 216 [2024-11-28 04:32:23,123 INFO L226 Difference]: Without dead ends: 215 [2024-11-28 04:32:23,125 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 599 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=896, Invalid=2296, Unknown=0, NotChecked=0, Total=3192 [2024-11-28 04:32:23,126 INFO L435 NwaCegarLoop]: 13 mSDtfsCounter, 151 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:32:23,127 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 204 Invalid, 223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 214 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 04:32:23,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2024-11-28 04:32:23,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 162. [2024-11-28 04:32:23,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 137 states have (on average 1.1313868613138687) internal successors, (155), 137 states have internal predecessors, (155), 12 states have call successors, (12), 12 states have call predecessors, (12), 12 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-28 04:32:23,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 179 transitions. [2024-11-28 04:32:23,154 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 179 transitions. Word has length 43 [2024-11-28 04:32:23,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:32:23,154 INFO L471 AbstractCegarLoop]: Abstraction has 162 states and 179 transitions. [2024-11-28 04:32:23,155 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 3.1724137931034484) internal successors, (92), 30 states have internal predecessors, (92), 9 states have call successors, (9), 4 states have call predecessors, (9), 4 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-28 04:32:23,155 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 179 transitions. [2024-11-28 04:32:23,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-28 04:32:23,156 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:32:23,156 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2024-11-28 04:32:23,168 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_710e718a-fa94-45a1-8052-3adfe7632514/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-28 04:32:23,357 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_710e718a-fa94-45a1-8052-3adfe7632514/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-11-28 04:32:23,357 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-28 04:32:23,358 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:32:23,358 INFO L85 PathProgramCache]: Analyzing trace with hash -192255278, now seen corresponding path program 1 times [2024-11-28 04:32:23,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:32:23,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283889875] [2024-11-28 04:32:23,358 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:32:23,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:32:23,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:32:23,716 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-28 04:32:23,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:32:23,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283889875] [2024-11-28 04:32:23,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1283889875] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:32:23,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [487237519] [2024-11-28 04:32:23,718 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:32:23,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:32:23,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_710e718a-fa94-45a1-8052-3adfe7632514/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:32:23,720 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_710e718a-fa94-45a1-8052-3adfe7632514/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:32:23,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_710e718a-fa94-45a1-8052-3adfe7632514/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-28 04:32:23,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:32:23,799 INFO L256 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-28 04:32:23,802 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:32:23,872 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-28 04:32:23,873 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:32:24,031 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-28 04:32:24,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [487237519] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:32:24,033 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:32:24,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 12] total 12 [2024-11-28 04:32:24,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597304434] [2024-11-28 04:32:24,034 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:32:24,034 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 04:32:24,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:32:24,035 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 04:32:24,035 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-28 04:32:24,036 INFO L87 Difference]: Start difference. First operand 162 states and 179 transitions. Second operand has 12 states, 12 states have (on average 3.25) internal successors, (39), 12 states have internal predecessors, (39), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 04:32:24,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:32:24,224 INFO L93 Difference]: Finished difference Result 202 states and 223 transitions. [2024-11-28 04:32:24,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-28 04:32:24,225 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.25) internal successors, (39), 12 states have internal predecessors, (39), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 51 [2024-11-28 04:32:24,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:32:24,226 INFO L225 Difference]: With dead ends: 202 [2024-11-28 04:32:24,226 INFO L226 Difference]: Without dead ends: 176 [2024-11-28 04:32:24,227 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 92 SyntacticMatches, 10 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=149, Invalid=271, Unknown=0, NotChecked=0, Total=420 [2024-11-28 04:32:24,227 INFO L435 NwaCegarLoop]: 17 mSDtfsCounter, 35 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:32:24,228 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 111 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:32:24,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2024-11-28 04:32:24,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 167. [2024-11-28 04:32:24,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 142 states have (on average 1.1338028169014085) internal successors, (161), 142 states have internal predecessors, (161), 12 states have call successors, (12), 12 states have call predecessors, (12), 12 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-28 04:32:24,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 185 transitions. [2024-11-28 04:32:24,255 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 185 transitions. Word has length 51 [2024-11-28 04:32:24,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:32:24,255 INFO L471 AbstractCegarLoop]: Abstraction has 167 states and 185 transitions. [2024-11-28 04:32:24,255 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.25) internal successors, (39), 12 states have internal predecessors, (39), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 04:32:24,255 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 185 transitions. [2024-11-28 04:32:24,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-28 04:32:24,259 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:32:24,259 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2024-11-28 04:32:24,269 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_710e718a-fa94-45a1-8052-3adfe7632514/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-28 04:32:24,463 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_710e718a-fa94-45a1-8052-3adfe7632514/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:32:24,472 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-28 04:32:24,481 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:32:24,486 INFO L85 PathProgramCache]: Analyzing trace with hash 1837557384, now seen corresponding path program 2 times [2024-11-28 04:32:24,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:32:24,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396177360] [2024-11-28 04:32:24,491 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 04:32:24,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:32:24,519 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 04:32:24,519 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:32:24,601 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2024-11-28 04:32:24,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:32:24,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396177360] [2024-11-28 04:32:24,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396177360] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:32:24,602 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:32:24,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:32:24,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422934479] [2024-11-28 04:32:24,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:32:24,603 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:32:24,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:32:24,603 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:32:24,603 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:32:24,604 INFO L87 Difference]: Start difference. First operand 167 states and 185 transitions. Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 04:32:24,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:32:24,648 INFO L93 Difference]: Finished difference Result 193 states and 213 transitions. [2024-11-28 04:32:24,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:32:24,648 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 56 [2024-11-28 04:32:24,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:32:24,650 INFO L225 Difference]: With dead ends: 193 [2024-11-28 04:32:24,650 INFO L226 Difference]: Without dead ends: 167 [2024-11-28 04:32:24,650 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:32:24,651 INFO L435 NwaCegarLoop]: 20 mSDtfsCounter, 2 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:32:24,651 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 62 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:32:24,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2024-11-28 04:32:24,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 148. [2024-11-28 04:32:24,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 123 states have (on average 1.1219512195121952) internal successors, (138), 123 states have internal predecessors, (138), 12 states have call successors, (12), 12 states have call predecessors, (12), 12 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-28 04:32:24,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 162 transitions. [2024-11-28 04:32:24,666 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 162 transitions. Word has length 56 [2024-11-28 04:32:24,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:32:24,666 INFO L471 AbstractCegarLoop]: Abstraction has 148 states and 162 transitions. [2024-11-28 04:32:24,667 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 04:32:24,667 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 162 transitions. [2024-11-28 04:32:24,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-28 04:32:24,669 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:32:24,669 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-28 04:32:24,669 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 04:32:24,669 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-28 04:32:24,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:32:24,670 INFO L85 PathProgramCache]: Analyzing trace with hash 1845283291, now seen corresponding path program 1 times [2024-11-28 04:32:24,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:32:24,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556651216] [2024-11-28 04:32:24,670 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:32:24,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:32:24,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:32:24,960 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 90 proven. 7 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2024-11-28 04:32:24,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:32:24,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556651216] [2024-11-28 04:32:24,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1556651216] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:32:24,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1737650293] [2024-11-28 04:32:24,961 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:32:24,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:32:24,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_710e718a-fa94-45a1-8052-3adfe7632514/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:32:24,963 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_710e718a-fa94-45a1-8052-3adfe7632514/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:32:24,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_710e718a-fa94-45a1-8052-3adfe7632514/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-28 04:32:25,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:32:25,047 INFO L256 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-28 04:32:25,050 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:32:25,287 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 228 proven. 3 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2024-11-28 04:32:25,287 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:32:25,542 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 156 proven. 3 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2024-11-28 04:32:25,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1737650293] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:32:25,542 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:32:25,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 13, 14] total 19 [2024-11-28 04:32:25,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795614743] [2024-11-28 04:32:25,543 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:32:25,543 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-28 04:32:25,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:32:25,544 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-28 04:32:25,544 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2024-11-28 04:32:25,545 INFO L87 Difference]: Start difference. First operand 148 states and 162 transitions. Second operand has 19 states, 19 states have (on average 4.368421052631579) internal successors, (83), 19 states have internal predecessors, (83), 7 states have call successors, (11), 5 states have call predecessors, (11), 5 states have return successors, (11), 7 states have call predecessors, (11), 7 states have call successors, (11) [2024-11-28 04:32:26,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:32:26,111 INFO L93 Difference]: Finished difference Result 242 states and 265 transitions. [2024-11-28 04:32:26,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-28 04:32:26,112 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 4.368421052631579) internal successors, (83), 19 states have internal predecessors, (83), 7 states have call successors, (11), 5 states have call predecessors, (11), 5 states have return successors, (11), 7 states have call predecessors, (11), 7 states have call successors, (11) Word has length 103 [2024-11-28 04:32:26,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:32:26,112 INFO L225 Difference]: With dead ends: 242 [2024-11-28 04:32:26,113 INFO L226 Difference]: Without dead ends: 0 [2024-11-28 04:32:26,114 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 186 SyntacticMatches, 11 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 352 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=318, Invalid=1164, Unknown=0, NotChecked=0, Total=1482 [2024-11-28 04:32:26,115 INFO L435 NwaCegarLoop]: 38 mSDtfsCounter, 66 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 310 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 310 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:32:26,115 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 355 Invalid, 321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 310 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 04:32:26,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-28 04:32:26,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-28 04:32:26,116 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 04:32:26,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-28 04:32:26,116 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 103 [2024-11-28 04:32:26,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:32:26,116 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 04:32:26,117 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 4.368421052631579) internal successors, (83), 19 states have internal predecessors, (83), 7 states have call successors, (11), 5 states have call predecessors, (11), 5 states have return successors, (11), 7 states have call predecessors, (11), 7 states have call successors, (11) [2024-11-28 04:32:26,117 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-28 04:32:26,117 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-28 04:32:26,120 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2024-11-28 04:32:26,120 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2024-11-28 04:32:26,120 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2024-11-28 04:32:26,121 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2024-11-28 04:32:26,131 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_710e718a-fa94-45a1-8052-3adfe7632514/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-28 04:32:26,324 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_710e718a-fa94-45a1-8052-3adfe7632514/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-28 04:32:26,327 INFO L422 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:32:26,329 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-28 04:32:26,699 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 04:32:26,717 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:32:26 BoogieIcfgContainer [2024-11-28 04:32:26,718 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 04:32:26,719 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 04:32:26,719 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 04:32:26,719 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 04:32:26,720 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:32:17" (3/4) ... [2024-11-28 04:32:26,723 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 04:32:26,729 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-28 04:32:26,734 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-11-28 04:32:26,735 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-28 04:32:26,735 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-28 04:32:26,735 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 04:32:26,842 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_710e718a-fa94-45a1-8052-3adfe7632514/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 04:32:26,843 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_710e718a-fa94-45a1-8052-3adfe7632514/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 04:32:26,843 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 04:32:26,845 INFO L158 Benchmark]: Toolchain (without parser) took 10421.50ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 93.9MB in the beginning and 307.0MB in the end (delta: -213.1MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. [2024-11-28 04:32:26,846 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 167.8MB. Free memory is still 102.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:32:26,846 INFO L158 Benchmark]: CACSL2BoogieTranslator took 293.29ms. Allocated memory is still 117.4MB. Free memory was 93.9MB in the beginning and 82.9MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:32:26,846 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.59ms. Allocated memory is still 117.4MB. Free memory was 82.9MB in the beginning and 81.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:32:26,847 INFO L158 Benchmark]: Boogie Preprocessor took 58.03ms. Allocated memory is still 117.4MB. Free memory was 81.8MB in the beginning and 80.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:32:26,847 INFO L158 Benchmark]: RCFGBuilder took 381.72ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 68.9MB in the end (delta: 11.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 04:32:26,848 INFO L158 Benchmark]: TraceAbstraction took 9516.17ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 68.2MB in the beginning and 311.8MB in the end (delta: -243.7MB). Peak memory consumption was 181.3MB. Max. memory is 16.1GB. [2024-11-28 04:32:26,849 INFO L158 Benchmark]: Witness Printer took 124.51ms. Allocated memory is still 352.3MB. Free memory was 311.8MB in the beginning and 307.0MB in the end (delta: 4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:32:26,851 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 167.8MB. Free memory is still 102.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 293.29ms. Allocated memory is still 117.4MB. Free memory was 93.9MB in the beginning and 82.9MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.59ms. Allocated memory is still 117.4MB. Free memory was 82.9MB in the beginning and 81.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 58.03ms. Allocated memory is still 117.4MB. Free memory was 81.8MB in the beginning and 80.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 381.72ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 68.9MB in the end (delta: 11.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 9516.17ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 68.2MB in the beginning and 311.8MB in the end (delta: -243.7MB). Peak memory consumption was 181.3MB. Max. memory is 16.1GB. * Witness Printer took 124.51ms. Allocated memory is still 352.3MB. Free memory was 311.8MB in the beginning and 307.0MB in the end (delta: 4.9MB). 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: 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 - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 30 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 9.0s, OverallIterations: 11, TraceHistogramMax: 9, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 2.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 451 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 451 mSDsluCounter, 1216 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1008 mSDsCounter, 44 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 896 IncrementalHoareTripleChecker+Invalid, 940 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 44 mSolverCounterUnsat, 208 mSDtfsCounter, 896 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 604 GetRequests, 394 SyntacticMatches, 21 SemanticMatches, 189 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1245 ImplicationChecksByTransitivity, 2.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=167occurred in iteration=9, InterpolantAutomatonStates: 156, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 109 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.7s InterpolantComputationTime, 556 NumberOfCodeBlocks, 556 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 760 ConstructedInterpolants, 0 QuantifiedInterpolants, 1526 SizeOfPredicates, 34 NumberOfNonLiveVariables, 590 ConjunctsInSsa, 49 ConjunctsInUnsatCore, 22 InterpolantComputations, 6 PerfectInterpolantSequences, 1169/1446 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 4 specifications checked. All of them hold - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: ((counter == 0) || (((counter == 5) || (counter < 5)) && (1 <= counter))) - InvariantResult [Line: 38]: Loop Invariant Derived loop invariant: ((((counter <= 5) && (3 <= counter)) || ((6 <= counter) && (counter <= 2147483645))) || ((counter <= 3) && (1 <= counter))) RESULT: Ultimate proved your program to be correct! [2024-11-28 04:32:26,880 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_710e718a-fa94-45a1-8052-3adfe7632514/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE