./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.4_1.ufo.BOUNDED-10.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6292162-96a5-440c-a86b-84f9d323e89c/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6292162-96a5-440c-a86b-84f9d323e89c/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_a6292162-96a5-440c-a86b-84f9d323e89c/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6292162-96a5-440c-a86b-84f9d323e89c/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.4_1.ufo.BOUNDED-10.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6292162-96a5-440c-a86b-84f9d323e89c/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_a6292162-96a5-440c-a86b-84f9d323e89c/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 a30aa210ed4a7c8ee647a70aef136aef282e5eccb07388ecda6495e33bc30b6d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 23:35:49,150 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 23:35:49,284 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6292162-96a5-440c-a86b-84f9d323e89c/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-27 23:35:49,300 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 23:35:49,300 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 23:35:49,348 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 23:35:49,349 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 23:35:49,350 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 23:35:49,350 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 23:35:49,351 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 23:35:49,352 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 23:35:49,352 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 23:35:49,353 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 23:35:49,354 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 23:35:49,354 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 23:35:49,354 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 23:35:49,355 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 23:35:49,356 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 23:35:49,356 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 23:35:49,356 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 23:35:49,356 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 23:35:49,356 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 23:35:49,356 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 23:35:49,356 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 23:35:49,357 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-27 23:35:49,357 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-27 23:35:49,357 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 23:35:49,357 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 23:35:49,357 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 23:35:49,357 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 23:35:49,358 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 23:35:49,358 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 23:35:49,358 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 23:35:49,359 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 23:35:49,359 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:35:49,359 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 23:35:49,360 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 23:35:49,360 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 23:35:49,360 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 23:35:49,360 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:35:49,360 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 23:35:49,360 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 23:35:49,360 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 23:35:49,360 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 23:35:49,360 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 23:35:49,361 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 23:35:49,361 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 23:35:49,361 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 23:35:49,361 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 23:35:49,361 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 23:35:49,361 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_a6292162-96a5-440c-a86b-84f9d323e89c/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 -> a30aa210ed4a7c8ee647a70aef136aef282e5eccb07388ecda6495e33bc30b6d [2024-11-27 23:35:49,732 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 23:35:49,748 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 23:35:49,754 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 23:35:49,756 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 23:35:49,757 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 23:35:49,759 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6292162-96a5-440c-a86b-84f9d323e89c/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.4_1.ufo.BOUNDED-10.pals.c [2024-11-27 23:35:53,556 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6292162-96a5-440c-a86b-84f9d323e89c/bin/uautomizer-verify-aQ6SnzHsRB/data/e80c0b2b1/0f5e05f597484101bb2644029e082d97/FLAGc4b4056cb [2024-11-27 23:35:54,038 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 23:35:54,039 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6292162-96a5-440c-a86b-84f9d323e89c/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.4_1.ufo.BOUNDED-10.pals.c [2024-11-27 23:35:54,053 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6292162-96a5-440c-a86b-84f9d323e89c/bin/uautomizer-verify-aQ6SnzHsRB/data/e80c0b2b1/0f5e05f597484101bb2644029e082d97/FLAGc4b4056cb [2024-11-27 23:35:54,073 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6292162-96a5-440c-a86b-84f9d323e89c/bin/uautomizer-verify-aQ6SnzHsRB/data/e80c0b2b1/0f5e05f597484101bb2644029e082d97 [2024-11-27 23:35:54,076 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 23:35:54,078 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 23:35:54,082 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 23:35:54,082 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 23:35:54,087 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 23:35:54,088 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:35:54" (1/1) ... [2024-11-27 23:35:54,089 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@93f4db2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:35:54, skipping insertion in model container [2024-11-27 23:35:54,090 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:35:54" (1/1) ... [2024-11-27 23:35:54,131 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 23:35:54,490 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:35:54,503 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 23:35:54,645 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:35:54,676 INFO L204 MainTranslator]: Completed translation [2024-11-27 23:35:54,677 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:35:54 WrapperNode [2024-11-27 23:35:54,677 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 23:35:54,679 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 23:35:54,679 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 23:35:54,679 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 23:35:54,693 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:35:54" (1/1) ... [2024-11-27 23:35:54,718 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:35:54" (1/1) ... [2024-11-27 23:35:54,788 INFO L138 Inliner]: procedures = 32, calls = 49, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 512 [2024-11-27 23:35:54,789 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 23:35:54,794 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 23:35:54,794 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 23:35:54,796 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 23:35:54,808 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:35:54" (1/1) ... [2024-11-27 23:35:54,808 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:35:54" (1/1) ... [2024-11-27 23:35:54,817 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:35:54" (1/1) ... [2024-11-27 23:35:54,853 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]. [2024-11-27 23:35:54,853 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:35:54" (1/1) ... [2024-11-27 23:35:54,853 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:35:54" (1/1) ... [2024-11-27 23:35:54,867 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:35:54" (1/1) ... [2024-11-27 23:35:54,872 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:35:54" (1/1) ... [2024-11-27 23:35:54,883 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:35:54" (1/1) ... [2024-11-27 23:35:54,890 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:35:54" (1/1) ... [2024-11-27 23:35:54,893 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:35:54" (1/1) ... [2024-11-27 23:35:54,905 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 23:35:54,906 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 23:35:54,909 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 23:35:54,910 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 23:35:54,911 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:35:54" (1/1) ... [2024-11-27 23:35:54,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:35:54,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6292162-96a5-440c-a86b-84f9d323e89c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:35:54,961 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6292162-96a5-440c-a86b-84f9d323e89c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 23:35:54,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6292162-96a5-440c-a86b-84f9d323e89c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 23:35:55,003 INFO L130 BoogieDeclarations]: Found specification of procedure read_manual_selection_history [2024-11-27 23:35:55,003 INFO L138 BoogieDeclarations]: Found implementation of procedure read_manual_selection_history [2024-11-27 23:35:55,004 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 23:35:55,004 INFO L130 BoogieDeclarations]: Found specification of procedure read_side2_failed_history [2024-11-27 23:35:55,004 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side2_failed_history [2024-11-27 23:35:55,005 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2024-11-27 23:35:55,005 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2024-11-27 23:35:55,006 INFO L130 BoogieDeclarations]: Found specification of procedure flip_the_side [2024-11-27 23:35:55,006 INFO L138 BoogieDeclarations]: Found implementation of procedure flip_the_side [2024-11-27 23:35:55,006 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-27 23:35:55,006 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-27 23:35:55,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-27 23:35:55,006 INFO L130 BoogieDeclarations]: Found specification of procedure read_side1_failed_history [2024-11-27 23:35:55,006 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side1_failed_history [2024-11-27 23:35:55,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 23:35:55,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 23:35:55,006 INFO L130 BoogieDeclarations]: Found specification of procedure read_active_side_history [2024-11-27 23:35:55,006 INFO L138 BoogieDeclarations]: Found implementation of procedure read_active_side_history [2024-11-27 23:35:55,201 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 23:35:55,204 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 23:35:56,322 INFO L? ?]: Removed 116 outVars from TransFormulas that were not future-live. [2024-11-27 23:35:56,323 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 23:35:56,349 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 23:35:56,353 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-27 23:35:56,354 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:35:56 BoogieIcfgContainer [2024-11-27 23:35:56,354 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 23:35:56,357 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 23:35:56,359 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 23:35:56,366 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 23:35:56,367 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 11:35:54" (1/3) ... [2024-11-27 23:35:56,368 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7060f0ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:35:56, skipping insertion in model container [2024-11-27 23:35:56,369 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:35:54" (2/3) ... [2024-11-27 23:35:56,370 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7060f0ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:35:56, skipping insertion in model container [2024-11-27 23:35:56,370 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:35:56" (3/3) ... [2024-11-27 23:35:56,372 INFO L128 eAbstractionObserver]: Analyzing ICFG pals_STARTPALS_ActiveStandby.4_1.ufo.BOUNDED-10.pals.c [2024-11-27 23:35:56,393 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 23:35:56,398 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG pals_STARTPALS_ActiveStandby.4_1.ufo.BOUNDED-10.pals.c that has 8 procedures, 184 locations, 1 initial locations, 1 loop locations, and 2 error locations. [2024-11-27 23:35:56,516 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 23:35:56,542 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;@4d9d4b19, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 23:35:56,544 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-27 23:35:56,552 INFO L276 IsEmpty]: Start isEmpty. Operand has 184 states, 143 states have (on average 1.5384615384615385) internal successors, (220), 145 states have internal predecessors, (220), 31 states have call successors, (31), 7 states have call predecessors, (31), 7 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-27 23:35:56,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-27 23:35:56,577 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:35:56,578 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:35:56,578 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-27 23:35:56,585 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:35:56,586 INFO L85 PathProgramCache]: Analyzing trace with hash -2119532900, now seen corresponding path program 1 times [2024-11-27 23:35:56,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:35:56,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086755863] [2024-11-27 23:35:56,598 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:35:56,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:35:56,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:35:57,672 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-27 23:35:57,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:35:57,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086755863] [2024-11-27 23:35:57,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1086755863] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:35:57,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1698662483] [2024-11-27 23:35:57,676 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:35:57,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:35:57,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6292162-96a5-440c-a86b-84f9d323e89c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:35:57,684 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6292162-96a5-440c-a86b-84f9d323e89c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:35:57,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6292162-96a5-440c-a86b-84f9d323e89c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-27 23:35:58,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:35:58,009 INFO L256 TraceCheckSpWp]: Trace formula consists of 449 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-27 23:35:58,023 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:35:58,218 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:35:58,218 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:35:58,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1698662483] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:35:58,218 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:35:58,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-11-27 23:35:58,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891640581] [2024-11-27 23:35:58,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:35:58,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:35:58,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:35:58,262 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:35:58,263 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-27 23:35:58,268 INFO L87 Difference]: Start difference. First operand has 184 states, 143 states have (on average 1.5384615384615385) internal successors, (220), 145 states have internal predecessors, (220), 31 states have call successors, (31), 7 states have call predecessors, (31), 7 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-27 23:35:58,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:35:58,699 INFO L93 Difference]: Finished difference Result 409 states and 647 transitions. [2024-11-27 23:35:58,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:35:58,703 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 72 [2024-11-27 23:35:58,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:35:58,716 INFO L225 Difference]: With dead ends: 409 [2024-11-27 23:35:58,717 INFO L226 Difference]: Without dead ends: 231 [2024-11-27 23:35:58,725 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-27 23:35:58,729 INFO L435 NwaCegarLoop]: 246 mSDtfsCounter, 409 mSDsluCounter, 482 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 409 SdHoareTripleChecker+Valid, 728 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 23:35:58,732 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [409 Valid, 728 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 23:35:58,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2024-11-27 23:35:58,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 228. [2024-11-27 23:35:58,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 181 states have (on average 1.5082872928176796) internal successors, (273), 182 states have internal predecessors, (273), 35 states have call successors, (35), 10 states have call predecessors, (35), 10 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-27 23:35:58,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 343 transitions. [2024-11-27 23:35:58,841 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 343 transitions. Word has length 72 [2024-11-27 23:35:58,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:35:58,842 INFO L471 AbstractCegarLoop]: Abstraction has 228 states and 343 transitions. [2024-11-27 23:35:58,842 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-27 23:35:58,842 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 343 transitions. [2024-11-27 23:35:58,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-27 23:35:58,847 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:35:58,848 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:35:58,862 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6292162-96a5-440c-a86b-84f9d323e89c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-27 23:35:59,048 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6292162-96a5-440c-a86b-84f9d323e89c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-27 23:35:59,049 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-27 23:35:59,049 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:35:59,050 INFO L85 PathProgramCache]: Analyzing trace with hash 372246335, now seen corresponding path program 1 times [2024-11-27 23:35:59,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:35:59,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019121927] [2024-11-27 23:35:59,050 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:35:59,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:35:59,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:35:59,496 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-27 23:35:59,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:35:59,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019121927] [2024-11-27 23:35:59,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019121927] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:35:59,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [376456797] [2024-11-27 23:35:59,497 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:35:59,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:35:59,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6292162-96a5-440c-a86b-84f9d323e89c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:35:59,501 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6292162-96a5-440c-a86b-84f9d323e89c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:35:59,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6292162-96a5-440c-a86b-84f9d323e89c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-27 23:35:59,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:35:59,763 INFO L256 TraceCheckSpWp]: Trace formula consists of 450 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-27 23:35:59,770 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:35:59,901 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:35:59,901 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:35:59,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [376456797] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:35:59,902 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:35:59,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-11-27 23:35:59,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501310856] [2024-11-27 23:35:59,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:35:59,904 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:35:59,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:35:59,905 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:35:59,905 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-27 23:35:59,905 INFO L87 Difference]: Start difference. First operand 228 states and 343 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-27 23:36:00,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:36:00,219 INFO L93 Difference]: Finished difference Result 392 states and 589 transitions. [2024-11-27 23:36:00,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:36:00,222 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 73 [2024-11-27 23:36:00,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:36:00,229 INFO L225 Difference]: With dead ends: 392 [2024-11-27 23:36:00,229 INFO L226 Difference]: Without dead ends: 231 [2024-11-27 23:36:00,231 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-27 23:36:00,236 INFO L435 NwaCegarLoop]: 242 mSDtfsCounter, 391 mSDsluCounter, 474 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 391 SdHoareTripleChecker+Valid, 716 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 23:36:00,236 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [391 Valid, 716 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 23:36:00,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2024-11-27 23:36:00,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 228. [2024-11-27 23:36:00,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 181 states have (on average 1.5027624309392265) internal successors, (272), 182 states have internal predecessors, (272), 35 states have call successors, (35), 10 states have call predecessors, (35), 10 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-27 23:36:00,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 342 transitions. [2024-11-27 23:36:00,277 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 342 transitions. Word has length 73 [2024-11-27 23:36:00,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:36:00,277 INFO L471 AbstractCegarLoop]: Abstraction has 228 states and 342 transitions. [2024-11-27 23:36:00,278 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-27 23:36:00,278 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 342 transitions. [2024-11-27 23:36:00,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-27 23:36:00,282 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:36:00,282 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:36:00,296 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6292162-96a5-440c-a86b-84f9d323e89c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-27 23:36:00,486 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6292162-96a5-440c-a86b-84f9d323e89c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:36:00,486 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-27 23:36:00,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:36:00,487 INFO L85 PathProgramCache]: Analyzing trace with hash 2104345615, now seen corresponding path program 1 times [2024-11-27 23:36:00,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:36:00,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910507097] [2024-11-27 23:36:00,487 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:36:00,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:36:00,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:36:00,825 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-27 23:36:00,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:36:00,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [910507097] [2024-11-27 23:36:00,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [910507097] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:36:00,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1114497685] [2024-11-27 23:36:00,826 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:36:00,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:36:00,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6292162-96a5-440c-a86b-84f9d323e89c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:36:00,829 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6292162-96a5-440c-a86b-84f9d323e89c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:36:00,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6292162-96a5-440c-a86b-84f9d323e89c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-27 23:36:01,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:36:01,076 INFO L256 TraceCheckSpWp]: Trace formula consists of 450 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 23:36:01,082 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:36:01,198 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-27 23:36:01,198 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:36:01,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1114497685] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:36:01,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:36:01,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-27 23:36:01,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716001503] [2024-11-27 23:36:01,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:36:01,200 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 23:36:01,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:36:01,201 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 23:36:01,201 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-27 23:36:01,201 INFO L87 Difference]: Start difference. First operand 228 states and 342 transitions. Second operand has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-27 23:36:01,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:36:01,254 INFO L93 Difference]: Finished difference Result 228 states and 342 transitions. [2024-11-27 23:36:01,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 23:36:01,254 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 74 [2024-11-27 23:36:01,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:36:01,257 INFO L225 Difference]: With dead ends: 228 [2024-11-27 23:36:01,257 INFO L226 Difference]: Without dead ends: 227 [2024-11-27 23:36:01,258 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-27 23:36:01,259 INFO L435 NwaCegarLoop]: 267 mSDtfsCounter, 105 mSDsluCounter, 374 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 641 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:36:01,259 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 641 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:36:01,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2024-11-27 23:36:01,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 227. [2024-11-27 23:36:01,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 181 states have (on average 1.4972375690607735) internal successors, (271), 181 states have internal predecessors, (271), 35 states have call successors, (35), 10 states have call predecessors, (35), 10 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-27 23:36:01,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 341 transitions. [2024-11-27 23:36:01,296 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 341 transitions. Word has length 74 [2024-11-27 23:36:01,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:36:01,297 INFO L471 AbstractCegarLoop]: Abstraction has 227 states and 341 transitions. [2024-11-27 23:36:01,298 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-27 23:36:01,298 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 341 transitions. [2024-11-27 23:36:01,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-27 23:36:01,304 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:36:01,304 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:36:01,315 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6292162-96a5-440c-a86b-84f9d323e89c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-27 23:36:01,505 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6292162-96a5-440c-a86b-84f9d323e89c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:36:01,505 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-27 23:36:01,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:36:01,506 INFO L85 PathProgramCache]: Analyzing trace with hash 810205138, now seen corresponding path program 1 times [2024-11-27 23:36:01,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:36:01,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128337520] [2024-11-27 23:36:01,506 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:36:01,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:36:01,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:36:01,801 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-27 23:36:01,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:36:01,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128337520] [2024-11-27 23:36:01,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128337520] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:36:01,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [525294714] [2024-11-27 23:36:01,802 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:36:01,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:36:01,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6292162-96a5-440c-a86b-84f9d323e89c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:36:01,806 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6292162-96a5-440c-a86b-84f9d323e89c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:36:01,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6292162-96a5-440c-a86b-84f9d323e89c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-27 23:36:02,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:36:02,052 INFO L256 TraceCheckSpWp]: Trace formula consists of 451 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 23:36:02,059 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:36:02,201 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-27 23:36:02,202 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:36:02,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [525294714] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:36:02,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:36:02,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-27 23:36:02,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690070220] [2024-11-27 23:36:02,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:36:02,204 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 23:36:02,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:36:02,206 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 23:36:02,206 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-27 23:36:02,206 INFO L87 Difference]: Start difference. First operand 227 states and 341 transitions. Second operand has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-27 23:36:02,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:36:02,294 INFO L93 Difference]: Finished difference Result 308 states and 473 transitions. [2024-11-27 23:36:02,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 23:36:02,295 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 75 [2024-11-27 23:36:02,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:36:02,302 INFO L225 Difference]: With dead ends: 308 [2024-11-27 23:36:02,302 INFO L226 Difference]: Without dead ends: 307 [2024-11-27 23:36:02,304 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-27 23:36:02,305 INFO L435 NwaCegarLoop]: 268 mSDtfsCounter, 99 mSDsluCounter, 531 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 799 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:36:02,305 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 799 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:36:02,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2024-11-27 23:36:02,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 307. [2024-11-27 23:36:02,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 238 states have (on average 1.495798319327731) internal successors, (356), 238 states have internal predecessors, (356), 58 states have call successors, (58), 10 states have call predecessors, (58), 10 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-27 23:36:02,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 472 transitions. [2024-11-27 23:36:02,364 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 472 transitions. Word has length 75 [2024-11-27 23:36:02,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:36:02,366 INFO L471 AbstractCegarLoop]: Abstraction has 307 states and 472 transitions. [2024-11-27 23:36:02,366 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-27 23:36:02,367 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 472 transitions. [2024-11-27 23:36:02,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-27 23:36:02,371 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:36:02,371 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:36:02,384 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6292162-96a5-440c-a86b-84f9d323e89c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-27 23:36:02,572 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6292162-96a5-440c-a86b-84f9d323e89c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:36:02,572 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-27 23:36:02,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:36:02,573 INFO L85 PathProgramCache]: Analyzing trace with hash 1753749617, now seen corresponding path program 1 times [2024-11-27 23:36:02,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:36:02,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857870966] [2024-11-27 23:36:02,573 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:36:02,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:36:02,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:36:02,934 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2024-11-27 23:36:02,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:36:02,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857870966] [2024-11-27 23:36:02,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857870966] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:36:02,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [936863461] [2024-11-27 23:36:02,935 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:36:02,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:36:02,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6292162-96a5-440c-a86b-84f9d323e89c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:36:02,940 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6292162-96a5-440c-a86b-84f9d323e89c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:36:02,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6292162-96a5-440c-a86b-84f9d323e89c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-27 23:36:03,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:36:03,265 INFO L256 TraceCheckSpWp]: Trace formula consists of 708 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-27 23:36:03,276 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:36:03,536 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-27 23:36:03,536 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:36:03,934 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-27 23:36:03,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [936863461] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:36:03,935 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:36:03,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 14 [2024-11-27 23:36:03,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141871134] [2024-11-27 23:36:03,937 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:36:03,938 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-27 23:36:03,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:36:03,940 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-27 23:36:03,940 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2024-11-27 23:36:03,941 INFO L87 Difference]: Start difference. First operand 307 states and 472 transitions. Second operand has 14 states, 13 states have (on average 13.692307692307692) internal successors, (178), 14 states have internal predecessors, (178), 7 states have call successors, (37), 1 states have call predecessors, (37), 2 states have return successors, (37), 6 states have call predecessors, (37), 7 states have call successors, (37) [2024-11-27 23:36:04,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:36:04,429 INFO L93 Difference]: Finished difference Result 714 states and 1106 transitions. [2024-11-27 23:36:04,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 23:36:04,430 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 13.692307692307692) internal successors, (178), 14 states have internal predecessors, (178), 7 states have call successors, (37), 1 states have call predecessors, (37), 2 states have return successors, (37), 6 states have call predecessors, (37), 7 states have call successors, (37) Word has length 138 [2024-11-27 23:36:04,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:36:04,432 INFO L225 Difference]: With dead ends: 714 [2024-11-27 23:36:04,432 INFO L226 Difference]: Without dead ends: 0 [2024-11-27 23:36:04,435 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 280 GetRequests, 268 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2024-11-27 23:36:04,436 INFO L435 NwaCegarLoop]: 263 mSDtfsCounter, 736 mSDsluCounter, 1764 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 800 SdHoareTripleChecker+Valid, 2027 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-27 23:36:04,440 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [800 Valid, 2027 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-27 23:36:04,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-27 23:36:04,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-27 23:36:04,443 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) [2024-11-27 23:36:04,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-27 23:36:04,445 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 138 [2024-11-27 23:36:04,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:36:04,445 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-27 23:36:04,445 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 13.692307692307692) internal successors, (178), 14 states have internal predecessors, (178), 7 states have call successors, (37), 1 states have call predecessors, (37), 2 states have return successors, (37), 6 states have call predecessors, (37), 7 states have call successors, (37) [2024-11-27 23:36:04,446 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-27 23:36:04,446 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-27 23:36:04,450 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-27 23:36:04,452 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-27 23:36:04,467 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6292162-96a5-440c-a86b-84f9d323e89c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-27 23:36:04,653 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6292162-96a5-440c-a86b-84f9d323e89c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:36:04,658 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-27 23:36:04,661 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-27 23:36:05,723 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-27 23:36:05,746 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 11:36:05 BoogieIcfgContainer [2024-11-27 23:36:05,747 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-27 23:36:05,748 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-27 23:36:05,748 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-27 23:36:05,748 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-27 23:36:05,749 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:35:56" (3/4) ... [2024-11-27 23:36:05,752 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-27 23:36:05,760 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure read_manual_selection_history [2024-11-27 23:36:05,760 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure flip_the_side [2024-11-27 23:36:05,760 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure read_side2_failed_history [2024-11-27 23:36:05,760 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assert [2024-11-27 23:36:05,760 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure read_side1_failed_history [2024-11-27 23:36:05,761 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-27 23:36:05,761 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure read_active_side_history [2024-11-27 23:36:05,776 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2024-11-27 23:36:05,780 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-27 23:36:05,783 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-27 23:36:05,784 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-27 23:36:05,973 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6292162-96a5-440c-a86b-84f9d323e89c/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-27 23:36:05,974 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6292162-96a5-440c-a86b-84f9d323e89c/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-27 23:36:05,974 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-27 23:36:05,975 INFO L158 Benchmark]: Toolchain (without parser) took 11896.62ms. Allocated memory was 117.4MB in the beginning and 302.0MB in the end (delta: 184.5MB). Free memory was 84.4MB in the beginning and 173.9MB in the end (delta: -89.5MB). Peak memory consumption was 90.2MB. Max. memory is 16.1GB. [2024-11-27 23:36:05,976 INFO L158 Benchmark]: CDTParser took 0.55ms. Allocated memory is still 167.8MB. Free memory is still 104.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 23:36:05,976 INFO L158 Benchmark]: CACSL2BoogieTranslator took 597.73ms. Allocated memory is still 117.4MB. Free memory was 84.1MB in the beginning and 66.4MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-27 23:36:05,976 INFO L158 Benchmark]: Boogie Procedure Inliner took 110.23ms. Allocated memory is still 117.4MB. Free memory was 66.4MB in the beginning and 62.9MB in the end (delta: 3.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 23:36:05,977 INFO L158 Benchmark]: Boogie Preprocessor took 111.39ms. Allocated memory is still 117.4MB. Free memory was 62.9MB in the beginning and 59.0MB in the end (delta: 3.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 23:36:05,977 INFO L158 Benchmark]: RCFGBuilder took 1448.09ms. Allocated memory is still 117.4MB. Free memory was 58.6MB in the beginning and 70.5MB in the end (delta: -11.8MB). Peak memory consumption was 41.2MB. Max. memory is 16.1GB. [2024-11-27 23:36:05,978 INFO L158 Benchmark]: TraceAbstraction took 9390.28ms. Allocated memory was 117.4MB in the beginning and 302.0MB in the end (delta: 184.5MB). Free memory was 69.9MB in the beginning and 182.3MB in the end (delta: -112.4MB). Peak memory consumption was 67.8MB. Max. memory is 16.1GB. [2024-11-27 23:36:05,978 INFO L158 Benchmark]: Witness Printer took 226.38ms. Allocated memory is still 302.0MB. Free memory was 182.3MB in the beginning and 173.9MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 23:36:05,980 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.55ms. Allocated memory is still 167.8MB. Free memory is still 104.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 597.73ms. Allocated memory is still 117.4MB. Free memory was 84.1MB in the beginning and 66.4MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 110.23ms. Allocated memory is still 117.4MB. Free memory was 66.4MB in the beginning and 62.9MB in the end (delta: 3.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 111.39ms. Allocated memory is still 117.4MB. Free memory was 62.9MB in the beginning and 59.0MB in the end (delta: 3.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1448.09ms. Allocated memory is still 117.4MB. Free memory was 58.6MB in the beginning and 70.5MB in the end (delta: -11.8MB). Peak memory consumption was 41.2MB. Max. memory is 16.1GB. * TraceAbstraction took 9390.28ms. Allocated memory was 117.4MB in the beginning and 302.0MB in the end (delta: 184.5MB). Free memory was 69.9MB in the beginning and 182.3MB in the end (delta: -112.4MB). Peak memory consumption was 67.8MB. Max. memory is 16.1GB. * Witness Printer took 226.38ms. Allocated memory is still 302.0MB. Free memory was 182.3MB in the beginning and 173.9MB in the end (delta: 8.4MB). 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: 598]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 598]: 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 8 procedures, 184 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 8.2s, OverallIterations: 5, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1842 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1740 mSDsluCounter, 4911 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3625 mSDsCounter, 124 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 340 IncrementalHoareTripleChecker+Invalid, 464 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 124 mSolverCounterUnsat, 1286 mSDtfsCounter, 340 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 598 GetRequests, 556 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=307occurred in iteration=4, InterpolantAutomatonStates: 30, 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, 5 MinimizatonAttempts, 6 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 864 NumberOfCodeBlocks, 864 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 991 ConstructedInterpolants, 0 QuantifiedInterpolants, 1697 SizeOfPredicates, 2 NumberOfNonLiveVariables, 2508 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 11 InterpolantComputations, 4 PerfectInterpolantSequences, 237/325 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 2 specifications checked. All of them hold - InvariantResult [Line: 574]: Loop Invariant Derived loop invariant: (((0 <= i2) && (i2 <= 2147483646)) && (((short) nomsg + 1) <= 0)) RESULT: Ultimate proved your program to be correct! [2024-11-27 23:36:06,005 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6292162-96a5-440c-a86b-84f9d323e89c/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