./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.5.ufo.BOUNDED-10.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a89d189f-c812-426e-82e5-5c196c5312b4/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a89d189f-c812-426e-82e5-5c196c5312b4/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a89d189f-c812-426e-82e5-5c196c5312b4/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a89d189f-c812-426e-82e5-5c196c5312b4/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.5.ufo.BOUNDED-10.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a89d189f-c812-426e-82e5-5c196c5312b4/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a89d189f-c812-426e-82e5-5c196c5312b4/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 b1fa78b32466948213cdbfc05d3adcde2ac2fc14323ec3ac2f4b441976452676 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:40:18,781 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:40:18,880 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a89d189f-c812-426e-82e5-5c196c5312b4/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-06 22:40:18,886 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:40:18,887 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:40:18,916 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:40:18,916 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:40:18,917 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:40:18,918 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:40:18,919 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:40:18,920 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:40:18,921 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:40:18,921 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:40:18,922 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:40:18,923 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:40:18,924 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:40:18,924 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:40:18,925 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:40:18,925 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:40:18,926 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:40:18,927 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:40:18,929 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:40:18,930 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-06 22:40:18,930 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:40:18,931 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:40:18,931 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:40:18,932 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:40:18,933 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:40:18,933 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:40:18,934 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:40:18,935 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:40:18,936 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:40:18,936 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:40:18,936 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:40:18,937 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:40:18,937 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:40:18,937 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:40:18,937 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:40:18,938 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:40:18,938 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:40:18,938 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:40:18,939 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a89d189f-c812-426e-82e5-5c196c5312b4/bin/uautomizer-verify-WvqO1wxjHP/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a89d189f-c812-426e-82e5-5c196c5312b4/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b1fa78b32466948213cdbfc05d3adcde2ac2fc14323ec3ac2f4b441976452676 [2023-11-06 22:40:19,246 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:40:19,322 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:40:19,325 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:40:19,327 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:40:19,329 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:40:19,332 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a89d189f-c812-426e-82e5-5c196c5312b4/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.5.ufo.BOUNDED-10.pals.c [2023-11-06 22:40:22,619 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:40:22,874 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:40:22,874 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a89d189f-c812-426e-82e5-5c196c5312b4/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.5.ufo.BOUNDED-10.pals.c [2023-11-06 22:40:22,896 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a89d189f-c812-426e-82e5-5c196c5312b4/bin/uautomizer-verify-WvqO1wxjHP/data/4ead5eafa/4750642b6ef64d1ebbbbb209db12527b/FLAGd2736cc7b [2023-11-06 22:40:22,918 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a89d189f-c812-426e-82e5-5c196c5312b4/bin/uautomizer-verify-WvqO1wxjHP/data/4ead5eafa/4750642b6ef64d1ebbbbb209db12527b [2023-11-06 22:40:22,923 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:40:22,925 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:40:22,927 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:40:22,927 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:40:22,933 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:40:22,934 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:40:22" (1/1) ... [2023-11-06 22:40:22,935 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7eab4f3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:40:22, skipping insertion in model container [2023-11-06 22:40:22,935 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:40:22" (1/1) ... [2023-11-06 22:40:22,985 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:40:23,282 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:40:23,297 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:40:23,381 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:40:23,403 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:40:23,403 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:40:23 WrapperNode [2023-11-06 22:40:23,404 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:40:23,405 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:40:23,405 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:40:23,405 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:40:23,414 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:40:23" (1/1) ... [2023-11-06 22:40:23,443 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:40:23" (1/1) ... [2023-11-06 22:40:23,494 INFO L138 Inliner]: procedures = 32, calls = 48, calls flagged for inlining = 14, calls inlined = 14, statements flattened = 509 [2023-11-06 22:40:23,495 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:40:23,496 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:40:23,496 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:40:23,496 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:40:23,512 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:40:23" (1/1) ... [2023-11-06 22:40:23,512 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:40:23" (1/1) ... [2023-11-06 22:40:23,518 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:40:23" (1/1) ... [2023-11-06 22:40:23,518 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:40:23" (1/1) ... [2023-11-06 22:40:23,535 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:40:23" (1/1) ... [2023-11-06 22:40:23,542 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:40:23" (1/1) ... [2023-11-06 22:40:23,547 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:40:23" (1/1) ... [2023-11-06 22:40:23,551 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:40:23" (1/1) ... [2023-11-06 22:40:23,573 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:40:23,574 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:40:23,574 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:40:23,574 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:40:23,575 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:40:23" (1/1) ... [2023-11-06 22:40:23,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:40:23,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a89d189f-c812-426e-82e5-5c196c5312b4/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:40:23,613 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a89d189f-c812-426e-82e5-5c196c5312b4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:40:23,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a89d189f-c812-426e-82e5-5c196c5312b4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:40:23,653 INFO L130 BoogieDeclarations]: Found specification of procedure read_manual_selection_history [2023-11-06 22:40:23,653 INFO L138 BoogieDeclarations]: Found implementation of procedure read_manual_selection_history [2023-11-06 22:40:23,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:40:23,653 INFO L130 BoogieDeclarations]: Found specification of procedure read_side2_failed_history [2023-11-06 22:40:23,654 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side2_failed_history [2023-11-06 22:40:23,654 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2023-11-06 22:40:23,654 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2023-11-06 22:40:23,654 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:40:23,655 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:40:23,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:40:23,655 INFO L130 BoogieDeclarations]: Found specification of procedure read_side1_failed_history [2023-11-06 22:40:23,655 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side1_failed_history [2023-11-06 22:40:23,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:40:23,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:40:23,656 INFO L130 BoogieDeclarations]: Found specification of procedure read_active_side_history [2023-11-06 22:40:23,656 INFO L138 BoogieDeclarations]: Found implementation of procedure read_active_side_history [2023-11-06 22:40:23,791 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:40:23,794 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:40:24,545 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:40:24,556 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:40:24,556 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:40:24,559 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:40:24 BoogieIcfgContainer [2023-11-06 22:40:24,559 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:40:24,563 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:40:24,563 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:40:24,567 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:40:24,567 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:40:22" (1/3) ... [2023-11-06 22:40:24,568 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74c3641b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:40:24, skipping insertion in model container [2023-11-06 22:40:24,568 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:40:23" (2/3) ... [2023-11-06 22:40:24,569 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74c3641b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:40:24, skipping insertion in model container [2023-11-06 22:40:24,569 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:40:24" (3/3) ... [2023-11-06 22:40:24,570 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_STARTPALS_ActiveStandby.5.ufo.BOUNDED-10.pals.c [2023-11-06 22:40:24,594 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:40:24,594 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-06 22:40:24,669 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:40:24,679 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@17f3cf2e, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:40:24,679 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-06 22:40:24,686 INFO L276 IsEmpty]: Start isEmpty. Operand has 178 states, 140 states have (on average 1.5571428571428572) internal successors, (218), 142 states have internal predecessors, (218), 29 states have call successors, (29), 6 states have call predecessors, (29), 6 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2023-11-06 22:40:24,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-06 22:40:24,720 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:40:24,721 INFO L195 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] [2023-11-06 22:40:24,722 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-06 22:40:24,731 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:40:24,731 INFO L85 PathProgramCache]: Analyzing trace with hash 1008486195, now seen corresponding path program 1 times [2023-11-06 22:40:24,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:40:24,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171063637] [2023-11-06 22:40:24,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:40:24,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:40:24,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:25,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-06 22:40:25,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:25,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-06 22:40:25,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:25,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-06 22:40:25,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:25,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-06 22:40:25,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:25,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-06 22:40:25,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:25,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-06 22:40:25,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:25,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-06 22:40:25,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:25,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-06 22:40:25,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:25,578 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-06 22:40:25,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:40:25,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171063637] [2023-11-06 22:40:25,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171063637] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:40:25,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1139372652] [2023-11-06 22:40:25,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:40:25,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:40:25,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a89d189f-c812-426e-82e5-5c196c5312b4/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:40:25,585 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a89d189f-c812-426e-82e5-5c196c5312b4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:40:25,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a89d189f-c812-426e-82e5-5c196c5312b4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 22:40:25,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:25,766 INFO L262 TraceCheckSpWp]: Trace formula consists of 419 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 22:40:25,775 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:40:25,899 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:40:25,899 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:40:25,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1139372652] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:40:25,899 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:40:25,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2023-11-06 22:40:25,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718732430] [2023-11-06 22:40:25,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:40:25,908 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:40:25,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:40:25,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:40:25,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:40:25,943 INFO L87 Difference]: Start difference. First operand has 178 states, 140 states have (on average 1.5571428571428572) internal successors, (218), 142 states have internal predecessors, (218), 29 states have call successors, (29), 6 states have call predecessors, (29), 6 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 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) [2023-11-06 22:40:26,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:40:26,180 INFO L93 Difference]: Finished difference Result 390 states and 627 transitions. [2023-11-06 22:40:26,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:40:26,182 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 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 71 [2023-11-06 22:40:26,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:40:26,193 INFO L225 Difference]: With dead ends: 390 [2023-11-06 22:40:26,193 INFO L226 Difference]: Without dead ends: 218 [2023-11-06 22:40:26,199 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:40:26,203 INFO L413 NwaCegarLoop]: 238 mSDtfsCounter, 405 mSDsluCounter, 462 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 405 SdHoareTripleChecker+Valid, 700 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:40:26,204 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [405 Valid, 700 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:40:26,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2023-11-06 22:40:26,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 214. [2023-11-06 22:40:26,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 173 states have (on average 1.5317919075144508) internal successors, (265), 174 states have internal predecessors, (265), 31 states have call successors, (31), 8 states have call predecessors, (31), 8 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-06 22:40:26,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 327 transitions. [2023-11-06 22:40:26,289 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 327 transitions. Word has length 71 [2023-11-06 22:40:26,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:40:26,289 INFO L495 AbstractCegarLoop]: Abstraction has 214 states and 327 transitions. [2023-11-06 22:40:26,290 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 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) [2023-11-06 22:40:26,290 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 327 transitions. [2023-11-06 22:40:26,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-06 22:40:26,297 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:40:26,298 INFO L195 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] [2023-11-06 22:40:26,312 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a89d189f-c812-426e-82e5-5c196c5312b4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:40:26,501 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a89d189f-c812-426e-82e5-5c196c5312b4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-06 22:40:26,501 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-06 22:40:26,502 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:40:26,502 INFO L85 PathProgramCache]: Analyzing trace with hash 1981058983, now seen corresponding path program 1 times [2023-11-06 22:40:26,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:40:26,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646105289] [2023-11-06 22:40:26,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:40:26,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:40:26,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:26,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-06 22:40:26,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:26,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-06 22:40:26,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:26,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-06 22:40:26,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:26,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-06 22:40:26,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:26,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-06 22:40:26,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:26,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-06 22:40:26,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:26,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-06 22:40:26,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:26,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-06 22:40:26,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:26,704 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-06 22:40:26,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:40:26,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646105289] [2023-11-06 22:40:26,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646105289] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:40:26,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2045265478] [2023-11-06 22:40:26,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:40:26,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:40:26,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a89d189f-c812-426e-82e5-5c196c5312b4/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:40:26,707 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a89d189f-c812-426e-82e5-5c196c5312b4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:40:26,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a89d189f-c812-426e-82e5-5c196c5312b4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 22:40:26,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:26,942 INFO L262 TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 22:40:26,947 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:40:27,023 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:40:27,023 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:40:27,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2045265478] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:40:27,024 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:40:27,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2023-11-06 22:40:27,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473773691] [2023-11-06 22:40:27,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:40:27,026 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:40:27,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:40:27,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:40:27,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:40:27,028 INFO L87 Difference]: Start difference. First operand 214 states and 327 transitions. 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) [2023-11-06 22:40:27,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:40:27,242 INFO L93 Difference]: Finished difference Result 374 states and 571 transitions. [2023-11-06 22:40:27,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:40:27,242 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 [2023-11-06 22:40:27,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:40:27,248 INFO L225 Difference]: With dead ends: 374 [2023-11-06 22:40:27,248 INFO L226 Difference]: Without dead ends: 219 [2023-11-06 22:40:27,252 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:40:27,253 INFO L413 NwaCegarLoop]: 233 mSDtfsCounter, 387 mSDsluCounter, 454 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 387 SdHoareTripleChecker+Valid, 687 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:40:27,255 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [387 Valid, 687 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:40:27,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2023-11-06 22:40:27,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 216. [2023-11-06 22:40:27,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 175 states have (on average 1.5257142857142858) internal successors, (267), 176 states have internal predecessors, (267), 31 states have call successors, (31), 8 states have call predecessors, (31), 8 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-06 22:40:27,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 329 transitions. [2023-11-06 22:40:27,304 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 329 transitions. Word has length 72 [2023-11-06 22:40:27,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:40:27,306 INFO L495 AbstractCegarLoop]: Abstraction has 216 states and 329 transitions. [2023-11-06 22:40:27,306 INFO L496 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) [2023-11-06 22:40:27,306 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 329 transitions. [2023-11-06 22:40:27,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-06 22:40:27,308 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:40:27,309 INFO L195 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] [2023-11-06 22:40:27,321 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a89d189f-c812-426e-82e5-5c196c5312b4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-06 22:40:27,515 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a89d189f-c812-426e-82e5-5c196c5312b4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:40:27,518 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-06 22:40:27,519 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:40:27,519 INFO L85 PathProgramCache]: Analyzing trace with hash 1092209273, now seen corresponding path program 1 times [2023-11-06 22:40:27,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:40:27,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952090459] [2023-11-06 22:40:27,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:40:27,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:40:27,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:27,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-06 22:40:27,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:27,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-06 22:40:27,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:27,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-06 22:40:27,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:27,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-06 22:40:27,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:27,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-06 22:40:27,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:27,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-06 22:40:27,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:27,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-06 22:40:27,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:27,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-06 22:40:27,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:27,689 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-06 22:40:27,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:40:27,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952090459] [2023-11-06 22:40:27,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952090459] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:40:27,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1773573579] [2023-11-06 22:40:27,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:40:27,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:40:27,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a89d189f-c812-426e-82e5-5c196c5312b4/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:40:27,692 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a89d189f-c812-426e-82e5-5c196c5312b4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:40:27,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a89d189f-c812-426e-82e5-5c196c5312b4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-06 22:40:27,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:27,858 INFO L262 TraceCheckSpWp]: Trace formula consists of 421 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 22:40:27,863 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:40:27,957 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-06 22:40:27,958 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:40:27,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1773573579] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:40:27,961 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:40:27,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2023-11-06 22:40:27,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223364046] [2023-11-06 22:40:27,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:40:27,962 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:40:27,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:40:27,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:40:27,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:40:27,964 INFO L87 Difference]: Start difference. First operand 216 states and 329 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) [2023-11-06 22:40:28,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:40:28,015 INFO L93 Difference]: Finished difference Result 216 states and 329 transitions. [2023-11-06 22:40:28,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:40:28,016 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 [2023-11-06 22:40:28,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:40:28,022 INFO L225 Difference]: With dead ends: 216 [2023-11-06 22:40:28,022 INFO L226 Difference]: Without dead ends: 215 [2023-11-06 22:40:28,023 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:40:28,026 INFO L413 NwaCegarLoop]: 261 mSDtfsCounter, 112 mSDsluCounter, 361 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 622 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:40:28,030 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 622 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:40:28,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2023-11-06 22:40:28,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 215. [2023-11-06 22:40:28,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 175 states have (on average 1.52) internal successors, (266), 175 states have internal predecessors, (266), 31 states have call successors, (31), 8 states have call predecessors, (31), 8 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-06 22:40:28,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 328 transitions. [2023-11-06 22:40:28,074 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 328 transitions. Word has length 74 [2023-11-06 22:40:28,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:40:28,076 INFO L495 AbstractCegarLoop]: Abstraction has 215 states and 328 transitions. [2023-11-06 22:40:28,076 INFO L496 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) [2023-11-06 22:40:28,077 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 328 transitions. [2023-11-06 22:40:28,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-06 22:40:28,080 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:40:28,081 INFO L195 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] [2023-11-06 22:40:28,093 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a89d189f-c812-426e-82e5-5c196c5312b4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-06 22:40:28,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a89d189f-c812-426e-82e5-5c196c5312b4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2023-11-06 22:40:28,293 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-06 22:40:28,294 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:40:28,294 INFO L85 PathProgramCache]: Analyzing trace with hash -501250391, now seen corresponding path program 1 times [2023-11-06 22:40:28,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:40:28,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238414564] [2023-11-06 22:40:28,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:40:28,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:40:28,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:28,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-06 22:40:28,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:28,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-06 22:40:28,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:28,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-06 22:40:28,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:28,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-06 22:40:28,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:28,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-06 22:40:28,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:28,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-06 22:40:28,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:28,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-06 22:40:28,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:28,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-06 22:40:28,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:28,492 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-06 22:40:28,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:40:28,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238414564] [2023-11-06 22:40:28,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [238414564] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:40:28,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [621338772] [2023-11-06 22:40:28,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:40:28,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:40:28,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a89d189f-c812-426e-82e5-5c196c5312b4/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:40:28,495 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a89d189f-c812-426e-82e5-5c196c5312b4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:40:28,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a89d189f-c812-426e-82e5-5c196c5312b4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-06 22:40:28,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:28,668 INFO L262 TraceCheckSpWp]: Trace formula consists of 422 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 22:40:28,676 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:40:28,763 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-06 22:40:28,764 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:40:28,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [621338772] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:40:28,764 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:40:28,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2023-11-06 22:40:28,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915657711] [2023-11-06 22:40:28,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:40:28,767 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:40:28,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:40:28,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:40:28,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:40:28,769 INFO L87 Difference]: Start difference. First operand 215 states and 328 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) [2023-11-06 22:40:28,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:40:28,839 INFO L93 Difference]: Finished difference Result 296 states and 460 transitions. [2023-11-06 22:40:28,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:40:28,840 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 [2023-11-06 22:40:28,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:40:28,846 INFO L225 Difference]: With dead ends: 296 [2023-11-06 22:40:28,846 INFO L226 Difference]: Without dead ends: 295 [2023-11-06 22:40:28,847 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:40:28,850 INFO L413 NwaCegarLoop]: 262 mSDtfsCounter, 103 mSDsluCounter, 520 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 782 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:40:28,854 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 782 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:40:28,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2023-11-06 22:40:28,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 295. [2023-11-06 22:40:28,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 232 states have (on average 1.5129310344827587) internal successors, (351), 232 states have internal predecessors, (351), 54 states have call successors, (54), 8 states have call predecessors, (54), 8 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-06 22:40:28,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 459 transitions. [2023-11-06 22:40:28,897 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 459 transitions. Word has length 75 [2023-11-06 22:40:28,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:40:28,898 INFO L495 AbstractCegarLoop]: Abstraction has 295 states and 459 transitions. [2023-11-06 22:40:28,899 INFO L496 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) [2023-11-06 22:40:28,899 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 459 transitions. [2023-11-06 22:40:28,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2023-11-06 22:40:28,908 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:40:28,908 INFO L195 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:40:28,920 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a89d189f-c812-426e-82e5-5c196c5312b4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-06 22:40:29,114 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a89d189f-c812-426e-82e5-5c196c5312b4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:40:29,115 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-06 22:40:29,115 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:40:29,115 INFO L85 PathProgramCache]: Analyzing trace with hash -859628764, now seen corresponding path program 1 times [2023-11-06 22:40:29,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:40:29,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357422502] [2023-11-06 22:40:29,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:40:29,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:40:29,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:29,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-06 22:40:29,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:29,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-06 22:40:29,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:29,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-06 22:40:29,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:29,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-06 22:40:29,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:29,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-06 22:40:29,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:29,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-06 22:40:29,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:29,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-06 22:40:29,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:29,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-06 22:40:29,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:29,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-06 22:40:29,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:29,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-06 22:40:29,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:29,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-06 22:40:29,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:29,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-11-06 22:40:29,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:29,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-06 22:40:29,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:29,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-06 22:40:29,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:29,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-06 22:40:29,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:29,360 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2023-11-06 22:40:29,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:40:29,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357422502] [2023-11-06 22:40:29,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1357422502] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:40:29,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [599007648] [2023-11-06 22:40:29,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:40:29,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:40:29,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a89d189f-c812-426e-82e5-5c196c5312b4/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:40:29,363 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a89d189f-c812-426e-82e5-5c196c5312b4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:40:29,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a89d189f-c812-426e-82e5-5c196c5312b4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-06 22:40:29,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:29,630 INFO L262 TraceCheckSpWp]: Trace formula consists of 673 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-06 22:40:29,643 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:40:29,835 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2023-11-06 22:40:29,836 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:40:30,066 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2023-11-06 22:40:30,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [599007648] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:40:30,067 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 22:40:30,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 14 [2023-11-06 22:40:30,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123121927] [2023-11-06 22:40:30,068 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 22:40:30,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-06 22:40:30,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:40:30,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-06 22:40:30,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2023-11-06 22:40:30,072 INFO L87 Difference]: Start difference. First operand 295 states and 459 transitions. Second operand has 14 states, 13 states have (on average 13.538461538461538) internal successors, (176), 14 states have internal predecessors, (176), 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) [2023-11-06 22:40:30,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:40:30,467 INFO L93 Difference]: Finished difference Result 689 states and 1079 transitions. [2023-11-06 22:40:30,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-06 22:40:30,468 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 13.538461538461538) internal successors, (176), 14 states have internal predecessors, (176), 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 137 [2023-11-06 22:40:30,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:40:30,468 INFO L225 Difference]: With dead ends: 689 [2023-11-06 22:40:30,468 INFO L226 Difference]: Without dead ends: 0 [2023-11-06 22:40:30,471 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 312 GetRequests, 295 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=261, Unknown=0, NotChecked=0, Total=342 [2023-11-06 22:40:30,472 INFO L413 NwaCegarLoop]: 257 mSDtfsCounter, 565 mSDsluCounter, 2080 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 623 SdHoareTripleChecker+Valid, 2337 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:40:30,473 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [623 Valid, 2337 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:40:30,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-06 22:40:30,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-06 22:40:30,474 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) [2023-11-06 22:40:30,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-06 22:40:30,475 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 137 [2023-11-06 22:40:30,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:40:30,476 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 22:40:30,478 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 13.538461538461538) internal successors, (176), 14 states have internal predecessors, (176), 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) [2023-11-06 22:40:30,478 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-06 22:40:30,478 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-06 22:40:30,481 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2023-11-06 22:40:30,484 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2023-11-06 22:40:30,501 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a89d189f-c812-426e-82e5-5c196c5312b4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-06 22:40:30,692 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a89d189f-c812-426e-82e5-5c196c5312b4/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:40:30,694 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-06 22:40:31,530 INFO L902 garLoopResultBuilder]: At program point L187(line 187) the Hoare annotation is: true [2023-11-06 22:40:31,531 INFO L899 garLoopResultBuilder]: For program point L187-1(line 187) no Hoare annotation was computed. [2023-11-06 22:40:31,531 INFO L899 garLoopResultBuilder]: For program point L184(lines 184 189) no Hoare annotation was computed. [2023-11-06 22:40:31,531 INFO L899 garLoopResultBuilder]: For program point L181(lines 181 189) no Hoare annotation was computed. [2023-11-06 22:40:31,531 INFO L899 garLoopResultBuilder]: For program point L178(lines 178 189) no Hoare annotation was computed. [2023-11-06 22:40:31,531 INFO L899 garLoopResultBuilder]: For program point read_manual_selection_historyEXIT(lines 173 191) no Hoare annotation was computed. [2023-11-06 22:40:31,531 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 173 191) the Hoare annotation is: true [2023-11-06 22:40:31,531 INFO L899 garLoopResultBuilder]: For program point read_manual_selection_historyFINAL(lines 173 191) no Hoare annotation was computed. [2023-11-06 22:40:31,531 INFO L899 garLoopResultBuilder]: For program point read_side2_failed_historyEXIT(lines 113 131) no Hoare annotation was computed. [2023-11-06 22:40:31,531 INFO L902 garLoopResultBuilder]: At program point L127(line 127) the Hoare annotation is: true [2023-11-06 22:40:31,532 INFO L899 garLoopResultBuilder]: For program point L127-1(line 127) no Hoare annotation was computed. [2023-11-06 22:40:31,532 INFO L899 garLoopResultBuilder]: For program point L124(lines 124 129) no Hoare annotation was computed. [2023-11-06 22:40:31,532 INFO L899 garLoopResultBuilder]: For program point read_side2_failed_historyFINAL(lines 113 131) no Hoare annotation was computed. [2023-11-06 22:40:31,532 INFO L899 garLoopResultBuilder]: For program point L121(lines 121 129) no Hoare annotation was computed. [2023-11-06 22:40:31,532 INFO L899 garLoopResultBuilder]: For program point L118(lines 118 129) no Hoare annotation was computed. [2023-11-06 22:40:31,532 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 113 131) the Hoare annotation is: true [2023-11-06 22:40:31,532 INFO L899 garLoopResultBuilder]: For program point assertEXIT(lines 608 619) no Hoare annotation was computed. [2023-11-06 22:40:31,532 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 608 619) the Hoare annotation is: true [2023-11-06 22:40:31,532 INFO L899 garLoopResultBuilder]: For program point L615(line 615) no Hoare annotation was computed. [2023-11-06 22:40:31,532 INFO L899 garLoopResultBuilder]: For program point L613(lines 613 617) no Hoare annotation was computed. [2023-11-06 22:40:31,550 INFO L899 garLoopResultBuilder]: For program point L3(line 3) no Hoare annotation was computed. [2023-11-06 22:40:31,550 INFO L899 garLoopResultBuilder]: For program point L613-2(lines 608 619) no Hoare annotation was computed. [2023-11-06 22:40:31,550 INFO L902 garLoopResultBuilder]: At program point L97(line 97) the Hoare annotation is: true [2023-11-06 22:40:31,550 INFO L899 garLoopResultBuilder]: For program point L97-1(line 97) no Hoare annotation was computed. [2023-11-06 22:40:31,551 INFO L899 garLoopResultBuilder]: For program point L94(lines 94 99) no Hoare annotation was computed. [2023-11-06 22:40:31,551 INFO L899 garLoopResultBuilder]: For program point read_side1_failed_historyFINAL(lines 83 101) no Hoare annotation was computed. [2023-11-06 22:40:31,551 INFO L899 garLoopResultBuilder]: For program point L91(lines 91 99) no Hoare annotation was computed. [2023-11-06 22:40:31,551 INFO L899 garLoopResultBuilder]: For program point read_side1_failed_historyEXIT(lines 83 101) no Hoare annotation was computed. [2023-11-06 22:40:31,551 INFO L899 garLoopResultBuilder]: For program point L88(lines 88 99) no Hoare annotation was computed. [2023-11-06 22:40:31,551 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 83 101) the Hoare annotation is: true [2023-11-06 22:40:31,552 INFO L895 garLoopResultBuilder]: At program point L382(line 382) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (<= |ULTIMATE.start_main_~i2~0#1| 2147483645)) [2023-11-06 22:40:31,553 INFO L899 garLoopResultBuilder]: For program point L382-1(line 382) no Hoare annotation was computed. [2023-11-06 22:40:31,553 INFO L895 garLoopResultBuilder]: At program point write_side1_failed_history_returnLabel#1(lines 72 82) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (<= |ULTIMATE.start_main_~i2~0#1| 2147483645)) [2023-11-06 22:40:31,553 INFO L899 garLoopResultBuilder]: For program point L498(line 498) no Hoare annotation was computed. [2023-11-06 22:40:31,553 INFO L899 garLoopResultBuilder]: For program point L515(lines 515 532) no Hoare annotation was computed. [2023-11-06 22:40:31,553 INFO L899 garLoopResultBuilder]: For program point L482(line 482) no Hoare annotation was computed. [2023-11-06 22:40:31,553 INFO L899 garLoopResultBuilder]: For program point L515-1(lines 515 532) no Hoare annotation was computed. [2023-11-06 22:40:31,554 INFO L899 garLoopResultBuilder]: For program point L218(lines 218 220) no Hoare annotation was computed. [2023-11-06 22:40:31,554 INFO L899 garLoopResultBuilder]: For program point L499(lines 499 513) no Hoare annotation was computed. [2023-11-06 22:40:31,554 INFO L895 garLoopResultBuilder]: At program point L499-1(lines 499 513) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (<= |ULTIMATE.start_main_~i2~0#1| 2147483645)) [2023-11-06 22:40:31,554 INFO L899 garLoopResultBuilder]: For program point L301(lines 290 309) no Hoare annotation was computed. [2023-11-06 22:40:31,554 INFO L895 garLoopResultBuilder]: At program point write_active_side_history_returnLabel#1(lines 132 142) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~s1p_old~0 1) 0) (<= (+ ~nomsg~0 1) 0) (<= (+ ~s2p_old~0 1) 0) (<= |ULTIMATE.start_main_~i2~0#1| 2147483645)) [2023-11-06 22:40:31,556 INFO L895 garLoopResultBuilder]: At program point L516(line 516) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (<= |ULTIMATE.start_main_~i2~0#1| 2147483645)) [2023-11-06 22:40:31,556 INFO L899 garLoopResultBuilder]: For program point L483(lines 483 497) no Hoare annotation was computed. [2023-11-06 22:40:31,557 INFO L899 garLoopResultBuilder]: For program point L516-1(line 516) no Hoare annotation was computed. [2023-11-06 22:40:31,557 INFO L895 garLoopResultBuilder]: At program point L483-1(lines 483 497) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (<= |ULTIMATE.start_main_~i2~0#1| 2147483645)) [2023-11-06 22:40:31,557 INFO L895 garLoopResultBuilder]: At program point L500(line 500) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (<= |ULTIMATE.start_main_~i2~0#1| 2147483645)) [2023-11-06 22:40:31,557 INFO L899 garLoopResultBuilder]: For program point L500-1(line 500) no Hoare annotation was computed. [2023-11-06 22:40:31,558 INFO L899 garLoopResultBuilder]: For program point L467-1(lines 461 477) no Hoare annotation was computed. [2023-11-06 22:40:31,558 INFO L899 garLoopResultBuilder]: For program point L302(lines 302 306) no Hoare annotation was computed. [2023-11-06 22:40:31,558 INFO L899 garLoopResultBuilder]: For program point L203(lines 203 205) no Hoare annotation was computed. [2023-11-06 22:40:31,558 INFO L899 garLoopResultBuilder]: For program point L517(lines 517 531) no Hoare annotation was computed. [2023-11-06 22:40:31,560 INFO L895 garLoopResultBuilder]: At program point L484(line 484) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (<= |ULTIMATE.start_main_~i2~0#1| 2147483645)) [2023-11-06 22:40:31,561 INFO L895 garLoopResultBuilder]: At program point L451(line 451) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (<= |ULTIMATE.start_main_~i2~0#1| 2147483645)) [2023-11-06 22:40:31,561 INFO L899 garLoopResultBuilder]: For program point L484-1(line 484) no Hoare annotation was computed. [2023-11-06 22:40:31,561 INFO L899 garLoopResultBuilder]: For program point L501(lines 501 512) no Hoare annotation was computed. [2023-11-06 22:40:31,561 INFO L899 garLoopResultBuilder]: For program point L468(lines 468 470) no Hoare annotation was computed. [2023-11-06 22:40:31,561 INFO L895 garLoopResultBuilder]: At program point $Ultimate##84(lines 404 412) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~s1p_old~0 1) 0) (<= (+ ~nomsg~0 1) 0) (<= (+ ~s2p_old~0 1) 0) (<= |ULTIMATE.start_main_~i2~0#1| 2147483645)) [2023-11-06 22:40:31,562 INFO L895 garLoopResultBuilder]: At program point L518(line 518) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (<= |ULTIMATE.start_main_~i2~0#1| 2147483645)) [2023-11-06 22:40:31,562 INFO L899 garLoopResultBuilder]: For program point L485(lines 485 496) no Hoare annotation was computed. [2023-11-06 22:40:31,563 INFO L899 garLoopResultBuilder]: For program point L518-1(line 518) no Hoare annotation was computed. [2023-11-06 22:40:31,563 INFO L899 garLoopResultBuilder]: For program point L452(line 452) no Hoare annotation was computed. [2023-11-06 22:40:31,563 INFO L899 garLoopResultBuilder]: For program point L221(lines 221 223) no Hoare annotation was computed. [2023-11-06 22:40:31,563 INFO L895 garLoopResultBuilder]: At program point Pendulum_prism_task_each_pals_period_returnLabel#1(lines 374 416) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~s1p_old~0 1) 0) (<= (+ ~nomsg~0 1) 0) (<= (+ ~s2p_old~0 1) 0) (<= |ULTIMATE.start_main_~i2~0#1| 2147483645)) [2023-11-06 22:40:31,564 INFO L895 garLoopResultBuilder]: At program point L601(line 601) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (<= |ULTIMATE.start_main_~i2~0#1| 2147483645)) [2023-11-06 22:40:31,564 INFO L899 garLoopResultBuilder]: For program point L601-1(line 601) no Hoare annotation was computed. [2023-11-06 22:40:31,564 INFO L895 garLoopResultBuilder]: At program point L502(line 502) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (<= |ULTIMATE.start_main_~i2~0#1| 2147483645)) [2023-11-06 22:40:31,564 INFO L899 garLoopResultBuilder]: For program point L502-1(line 502) no Hoare annotation was computed. [2023-11-06 22:40:31,564 INFO L895 garLoopResultBuilder]: At program point L519(line 519) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (<= |ULTIMATE.start_main_~i2~0#1| 2147483645)) [2023-11-06 22:40:31,564 INFO L895 garLoopResultBuilder]: At program point L486(line 486) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (<= |ULTIMATE.start_main_~i2~0#1| 2147483645)) [2023-11-06 22:40:31,565 INFO L899 garLoopResultBuilder]: For program point L519-1(line 519) no Hoare annotation was computed. [2023-11-06 22:40:31,565 INFO L899 garLoopResultBuilder]: For program point L453(lines 453 481) no Hoare annotation was computed. [2023-11-06 22:40:31,565 INFO L899 garLoopResultBuilder]: For program point L486-1(line 486) no Hoare annotation was computed. [2023-11-06 22:40:31,565 INFO L895 garLoopResultBuilder]: At program point L453-1(lines 453 481) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (<= |ULTIMATE.start_main_~i2~0#1| 2147483645)) [2023-11-06 22:40:31,565 INFO L895 garLoopResultBuilder]: At program point $Ultimate##60(lines 354 366) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (<= |ULTIMATE.start_main_~i2~0#1| 2147483645)) [2023-11-06 22:40:31,566 INFO L899 garLoopResultBuilder]: For program point L602(line 602) no Hoare annotation was computed. [2023-11-06 22:40:31,566 INFO L899 garLoopResultBuilder]: For program point L602-1(line 602) no Hoare annotation was computed. [2023-11-06 22:40:31,566 INFO L899 garLoopResultBuilder]: For program point L503(lines 503 505) no Hoare annotation was computed. [2023-11-06 22:40:31,566 INFO L899 garLoopResultBuilder]: For program point L404(lines 390 412) no Hoare annotation was computed. [2023-11-06 22:40:31,566 INFO L899 garLoopResultBuilder]: For program point L206(lines 206 208) no Hoare annotation was computed. [2023-11-06 22:40:31,566 INFO L899 garLoopResultBuilder]: For program point L520(lines 520 530) no Hoare annotation was computed. [2023-11-06 22:40:31,567 INFO L899 garLoopResultBuilder]: For program point L487(lines 487 489) no Hoare annotation was computed. [2023-11-06 22:40:31,567 INFO L895 garLoopResultBuilder]: At program point L454(line 454) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (<= |ULTIMATE.start_main_~i2~0#1| 2147483645)) [2023-11-06 22:40:31,567 INFO L899 garLoopResultBuilder]: For program point L454-1(line 454) no Hoare annotation was computed. [2023-11-06 22:40:31,567 INFO L899 garLoopResultBuilder]: For program point L355(lines 355 359) no Hoare annotation was computed. [2023-11-06 22:40:31,568 INFO L895 garLoopResultBuilder]: At program point $Ultimate##66(lines 362 366) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (<= |ULTIMATE.start_main_~i2~0#1| 2147483645)) [2023-11-06 22:40:31,568 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-06 22:40:31,568 INFO L899 garLoopResultBuilder]: For program point L405(lines 405 409) no Hoare annotation was computed. [2023-11-06 22:40:31,568 INFO L895 garLoopResultBuilder]: At program point L521(line 521) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (<= |ULTIMATE.start_main_~i2~0#1| 2147483645)) [2023-11-06 22:40:31,568 INFO L899 garLoopResultBuilder]: For program point L521-1(line 521) no Hoare annotation was computed. [2023-11-06 22:40:31,569 INFO L899 garLoopResultBuilder]: For program point L455(lines 455 480) no Hoare annotation was computed. [2023-11-06 22:40:31,569 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 309) no Hoare annotation was computed. [2023-11-06 22:40:31,569 INFO L899 garLoopResultBuilder]: For program point L224(lines 224 226) no Hoare annotation was computed. [2023-11-06 22:40:31,569 INFO L899 garLoopResultBuilder]: For program point L241(lines 241 245) no Hoare annotation was computed. [2023-11-06 22:40:31,570 INFO L899 garLoopResultBuilder]: For program point L241-2(lines 241 245) no Hoare annotation was computed. [2023-11-06 22:40:31,571 INFO L895 garLoopResultBuilder]: At program point L522(line 522) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (<= |ULTIMATE.start_main_~i2~0#1| 2147483645)) [2023-11-06 22:40:31,571 INFO L895 garLoopResultBuilder]: At program point $Ultimate##43(lines 301 309) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (<= |ULTIMATE.start_main_~i2~0#1| 2147483645)) [2023-11-06 22:40:31,571 INFO L899 garLoopResultBuilder]: For program point L522-1(line 522) no Hoare annotation was computed. [2023-11-06 22:40:31,571 INFO L895 garLoopResultBuilder]: At program point L456(line 456) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (<= |ULTIMATE.start_main_~i2~0#1| 2147483645)) [2023-11-06 22:40:31,571 INFO L899 garLoopResultBuilder]: For program point L456-1(line 456) no Hoare annotation was computed. [2023-11-06 22:40:31,572 INFO L899 garLoopResultBuilder]: For program point L390(lines 390 412) no Hoare annotation was computed. [2023-11-06 22:40:31,572 INFO L895 garLoopResultBuilder]: At program point L506(line 506) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (<= |ULTIMATE.start_main_~i2~0#1| 2147483645)) [2023-11-06 22:40:31,572 INFO L899 garLoopResultBuilder]: For program point L473(lines 473 475) no Hoare annotation was computed. [2023-11-06 22:40:31,572 INFO L899 garLoopResultBuilder]: For program point L506-1(line 506) no Hoare annotation was computed. [2023-11-06 22:40:31,572 INFO L899 garLoopResultBuilder]: For program point L209(lines 209 211) no Hoare annotation was computed. [2023-11-06 22:40:31,572 INFO L899 garLoopResultBuilder]: For program point L523(lines 523 529) no Hoare annotation was computed. [2023-11-06 22:40:31,572 INFO L895 garLoopResultBuilder]: At program point L490(line 490) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (<= |ULTIMATE.start_main_~i2~0#1| 2147483645)) [2023-11-06 22:40:31,573 INFO L899 garLoopResultBuilder]: For program point L457(lines 457 479) no Hoare annotation was computed. [2023-11-06 22:40:31,573 INFO L899 garLoopResultBuilder]: For program point L490-1(line 490) no Hoare annotation was computed. [2023-11-06 22:40:31,573 INFO L895 garLoopResultBuilder]: At program point main_returnLabel#1(lines 536 607) the Hoare annotation is: (< ~nomsg~0 0) [2023-11-06 22:40:31,573 INFO L895 garLoopResultBuilder]: At program point write_side2_failed_history_returnLabel#1(lines 102 112) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (<= |ULTIMATE.start_main_~i2~0#1| 2147483645)) [2023-11-06 22:40:31,573 INFO L895 garLoopResultBuilder]: At program point Side2_activestandby_task_each_pals_period_returnLabel#1(lines 317 373) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (<= |ULTIMATE.start_main_~i2~0#1| 2147483645)) [2023-11-06 22:40:31,574 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 602) no Hoare annotation was computed. [2023-11-06 22:40:31,574 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-06 22:40:31,574 INFO L899 garLoopResultBuilder]: For program point L507(lines 507 511) no Hoare annotation was computed. [2023-11-06 22:40:31,574 INFO L895 garLoopResultBuilder]: At program point L524(line 524) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (<= |ULTIMATE.start_main_~i2~0#1| 2147483645)) [2023-11-06 22:40:31,574 INFO L899 garLoopResultBuilder]: For program point L491(lines 491 495) no Hoare annotation was computed. [2023-11-06 22:40:31,574 INFO L899 garLoopResultBuilder]: For program point L524-1(line 524) no Hoare annotation was computed. [2023-11-06 22:40:31,574 INFO L895 garLoopResultBuilder]: At program point L458(line 458) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (<= |ULTIMATE.start_main_~i2~0#1| 2147483645)) [2023-11-06 22:40:31,575 INFO L899 garLoopResultBuilder]: For program point L458-1(line 458) no Hoare annotation was computed. [2023-11-06 22:40:31,575 INFO L899 garLoopResultBuilder]: For program point L293(lines 293 309) no Hoare annotation was computed. [2023-11-06 22:40:31,575 INFO L899 garLoopResultBuilder]: For program point L227(lines 227 229) no Hoare annotation was computed. [2023-11-06 22:40:31,575 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 602) no Hoare annotation was computed. [2023-11-06 22:40:31,576 INFO L899 garLoopResultBuilder]: For program point L508(lines 508 510) no Hoare annotation was computed. [2023-11-06 22:40:31,576 INFO L895 garLoopResultBuilder]: At program point write_manual_selection_history_returnLabel#1(lines 162 172) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (<= |ULTIMATE.start_main_~i2~0#1| 2147483645)) [2023-11-06 22:40:31,576 INFO L899 garLoopResultBuilder]: For program point L343(lines 343 366) no Hoare annotation was computed. [2023-11-06 22:40:31,577 INFO L899 garLoopResultBuilder]: For program point L277(lines 277 283) no Hoare annotation was computed. [2023-11-06 22:40:31,577 INFO L895 garLoopResultBuilder]: At program point L525(line 525) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (<= |ULTIMATE.start_main_~i2~0#1| 2147483645)) [2023-11-06 22:40:31,577 INFO L899 garLoopResultBuilder]: For program point L492(lines 492 494) no Hoare annotation was computed. [2023-11-06 22:40:31,577 INFO L899 garLoopResultBuilder]: For program point L525-1(line 525) no Hoare annotation was computed. [2023-11-06 22:40:31,577 INFO L899 garLoopResultBuilder]: For program point L459(lines 459 478) no Hoare annotation was computed. [2023-11-06 22:40:31,577 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-06 22:40:31,577 INFO L899 garLoopResultBuilder]: For program point L393(lines 393 412) no Hoare annotation was computed. [2023-11-06 22:40:31,578 INFO L899 garLoopResultBuilder]: For program point L294(lines 294 298) no Hoare annotation was computed. [2023-11-06 22:40:31,578 INFO L899 garLoopResultBuilder]: For program point L443(lines 443 450) no Hoare annotation was computed. [2023-11-06 22:40:31,578 INFO L899 garLoopResultBuilder]: For program point L212(lines 212 214) no Hoare annotation was computed. [2023-11-06 22:40:31,578 INFO L899 garLoopResultBuilder]: For program point L526(lines 526 528) no Hoare annotation was computed. [2023-11-06 22:40:31,578 INFO L895 garLoopResultBuilder]: At program point L460(line 460) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (<= |ULTIMATE.start_main_~i2~0#1| 2147483645)) [2023-11-06 22:40:31,578 INFO L899 garLoopResultBuilder]: For program point L460-1(line 460) no Hoare annotation was computed. [2023-11-06 22:40:31,579 INFO L895 garLoopResultBuilder]: At program point Console_task_each_pals_period_returnLabel#1(lines 249 263) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (<= |ULTIMATE.start_main_~i2~0#1| 2147483645)) [2023-11-06 22:40:31,579 INFO L895 garLoopResultBuilder]: At program point L560(line 560) the Hoare annotation is: (< ~nomsg~0 0) [2023-11-06 22:40:31,579 INFO L899 garLoopResultBuilder]: For program point L560-1(line 560) no Hoare annotation was computed. [2023-11-06 22:40:31,579 INFO L899 garLoopResultBuilder]: For program point L461(lines 461 477) no Hoare annotation was computed. [2023-11-06 22:40:31,579 INFO L899 garLoopResultBuilder]: For program point L362-1(lines 343 366) no Hoare annotation was computed. [2023-11-06 22:40:31,579 INFO L899 garLoopResultBuilder]: For program point L230(lines 230 232) no Hoare annotation was computed. [2023-11-06 22:40:31,580 INFO L899 garLoopResultBuilder]: For program point L197(lines 197 199) no Hoare annotation was computed. [2023-11-06 22:40:31,580 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-06 22:40:31,580 INFO L899 garLoopResultBuilder]: For program point L346(lines 346 366) no Hoare annotation was computed. [2023-11-06 22:40:31,581 INFO L899 garLoopResultBuilder]: For program point L462(lines 462 466) no Hoare annotation was computed. [2023-11-06 22:40:31,581 INFO L899 garLoopResultBuilder]: For program point L396(lines 396 412) no Hoare annotation was computed. [2023-11-06 22:40:31,581 INFO L899 garLoopResultBuilder]: For program point L462-2(lines 461 477) no Hoare annotation was computed. [2023-11-06 22:40:31,582 INFO L899 garLoopResultBuilder]: For program point L330(lines 330 336) no Hoare annotation was computed. [2023-11-06 22:40:31,582 INFO L895 garLoopResultBuilder]: At program point L578-2(lines 578 604) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= |ULTIMATE.start_main_~i2~0#1| 2147483646) (<= (+ ~nomsg~0 1) 0)) [2023-11-06 22:40:31,582 INFO L899 garLoopResultBuilder]: For program point L578-3(lines 578 604) no Hoare annotation was computed. [2023-11-06 22:40:31,582 INFO L899 garLoopResultBuilder]: For program point L446(lines 446 450) no Hoare annotation was computed. [2023-11-06 22:40:31,582 INFO L895 garLoopResultBuilder]: At program point L446-2(lines 443 450) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (<= |ULTIMATE.start_main_~i2~0#1| 2147483645)) [2023-11-06 22:40:31,583 INFO L899 garLoopResultBuilder]: For program point L347(lines 347 351) no Hoare annotation was computed. [2023-11-06 22:40:31,583 INFO L899 garLoopResultBuilder]: For program point L215(lines 215 217) no Hoare annotation was computed. [2023-11-06 22:40:31,583 INFO L899 garLoopResultBuilder]: For program point L463(lines 463 465) no Hoare annotation was computed. [2023-11-06 22:40:31,583 INFO L895 garLoopResultBuilder]: At program point check_returnLabel#1(lines 417 535) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (<= |ULTIMATE.start_main_~i2~0#1| 2147483645)) [2023-11-06 22:40:31,583 INFO L899 garLoopResultBuilder]: For program point L397(lines 397 401) no Hoare annotation was computed. [2023-11-06 22:40:31,584 INFO L895 garLoopResultBuilder]: At program point flip_the_side_returnLabel#1(lines 236 248) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (<= |ULTIMATE.start_main_~i2~0#1| 2147483645)) [2023-11-06 22:40:31,584 INFO L895 garLoopResultBuilder]: At program point init_returnLabel#1(lines 192 235) the Hoare annotation is: (< ~nomsg~0 0) [2023-11-06 22:40:31,584 INFO L895 garLoopResultBuilder]: At program point Side1_activestandby_task_each_pals_period_returnLabel#1(lines 264 316) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~i2~0#1|) (<= (+ ~nomsg~0 1) 0) (<= |ULTIMATE.start_main_~i2~0#1| 2147483645)) [2023-11-06 22:40:31,584 INFO L899 garLoopResultBuilder]: For program point L200(lines 200 202) no Hoare annotation was computed. [2023-11-06 22:40:31,584 INFO L899 garLoopResultBuilder]: For program point L514(line 514) no Hoare annotation was computed. [2023-11-06 22:40:31,584 INFO L899 garLoopResultBuilder]: For program point L58(line 58) no Hoare annotation was computed. [2023-11-06 22:40:31,585 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 57 59) the Hoare annotation is: true [2023-11-06 22:40:31,585 INFO L899 garLoopResultBuilder]: For program point L58-2(lines 57 59) no Hoare annotation was computed. [2023-11-06 22:40:31,585 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 57 59) no Hoare annotation was computed. [2023-11-06 22:40:31,585 INFO L902 garLoopResultBuilder]: At program point L157(line 157) the Hoare annotation is: true [2023-11-06 22:40:31,585 INFO L899 garLoopResultBuilder]: For program point L157-1(line 157) no Hoare annotation was computed. [2023-11-06 22:40:31,585 INFO L899 garLoopResultBuilder]: For program point L154(lines 154 159) no Hoare annotation was computed. [2023-11-06 22:40:31,586 INFO L899 garLoopResultBuilder]: For program point L151(lines 151 159) no Hoare annotation was computed. [2023-11-06 22:40:31,586 INFO L899 garLoopResultBuilder]: For program point L148(lines 148 159) no Hoare annotation was computed. [2023-11-06 22:40:31,586 INFO L899 garLoopResultBuilder]: For program point read_active_side_historyEXIT(lines 143 161) no Hoare annotation was computed. [2023-11-06 22:40:31,586 INFO L899 garLoopResultBuilder]: For program point read_active_side_historyFINAL(lines 143 161) no Hoare annotation was computed. [2023-11-06 22:40:31,586 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 143 161) the Hoare annotation is: true [2023-11-06 22:40:31,589 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-06 22:40:31,591 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:40:31,620 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:40:31 BoogieIcfgContainer [2023-11-06 22:40:31,622 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:40:31,623 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:40:31,623 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:40:31,624 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:40:31,624 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:40:24" (3/4) ... [2023-11-06 22:40:31,626 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 22:40:31,630 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure read_manual_selection_history [2023-11-06 22:40:31,630 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure read_side2_failed_history [2023-11-06 22:40:31,631 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assert [2023-11-06 22:40:31,631 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure read_side1_failed_history [2023-11-06 22:40:31,631 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-06 22:40:31,631 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure read_active_side_history [2023-11-06 22:40:31,653 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2023-11-06 22:40:31,654 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-06 22:40:31,656 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-06 22:40:31,657 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 22:40:31,803 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a89d189f-c812-426e-82e5-5c196c5312b4/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 22:40:31,804 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a89d189f-c812-426e-82e5-5c196c5312b4/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 22:40:31,804 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:40:31,805 INFO L158 Benchmark]: Toolchain (without parser) took 8880.11ms. Allocated memory was 201.3MB in the beginning and 247.5MB in the end (delta: 46.1MB). Free memory was 153.7MB in the beginning and 191.8MB in the end (delta: -38.0MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. [2023-11-06 22:40:31,805 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 132.1MB. Free memory was 98.8MB in the beginning and 98.7MB in the end (delta: 23.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:40:31,806 INFO L158 Benchmark]: CACSL2BoogieTranslator took 477.46ms. Allocated memory is still 201.3MB. Free memory was 153.7MB in the beginning and 136.2MB in the end (delta: 17.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-06 22:40:31,806 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.03ms. Allocated memory is still 201.3MB. Free memory was 136.2MB in the beginning and 132.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:40:31,807 INFO L158 Benchmark]: Boogie Preprocessor took 77.65ms. Allocated memory is still 201.3MB. Free memory was 132.0MB in the beginning and 129.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:40:31,807 INFO L158 Benchmark]: RCFGBuilder took 985.14ms. Allocated memory is still 201.3MB. Free memory was 129.1MB in the beginning and 95.5MB in the end (delta: 33.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-06 22:40:31,807 INFO L158 Benchmark]: TraceAbstraction took 7060.17ms. Allocated memory was 201.3MB in the beginning and 247.5MB in the end (delta: 46.1MB). Free memory was 95.0MB in the beginning and 204.4MB in the end (delta: -109.3MB). Peak memory consumption was 76.3MB. Max. memory is 16.1GB. [2023-11-06 22:40:31,808 INFO L158 Benchmark]: Witness Printer took 181.15ms. Allocated memory is still 247.5MB. Free memory was 204.4MB in the beginning and 191.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-06 22:40:31,810 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 132.1MB. Free memory was 98.8MB in the beginning and 98.7MB in the end (delta: 23.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 477.46ms. Allocated memory is still 201.3MB. Free memory was 153.7MB in the beginning and 136.2MB in the end (delta: 17.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.03ms. Allocated memory is still 201.3MB. Free memory was 136.2MB in the beginning and 132.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.65ms. Allocated memory is still 201.3MB. Free memory was 132.0MB in the beginning and 129.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 985.14ms. Allocated memory is still 201.3MB. Free memory was 129.1MB in the beginning and 95.5MB in the end (delta: 33.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 7060.17ms. Allocated memory was 201.3MB in the beginning and 247.5MB in the end (delta: 46.1MB). Free memory was 95.0MB in the beginning and 204.4MB in the end (delta: -109.3MB). Peak memory consumption was 76.3MB. Max. memory is 16.1GB. * Witness Printer took 181.15ms. Allocated memory is still 247.5MB. Free memory was 204.4MB in the beginning and 191.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. 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: 602]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 602]: 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 7 procedures, 178 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 6.9s, OverallIterations: 5, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1664 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1572 mSDsluCounter, 5128 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3877 mSDsCounter, 69 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 350 IncrementalHoareTripleChecker+Invalid, 419 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 69 mSolverCounterUnsat, 1251 mSDtfsCounter, 350 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 690 GetRequests, 641 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=295occurred in iteration=4, InterpolantAutomatonStates: 31, 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, 7 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 52 LocationsWithAnnotation, 384 PreInvPairs, 506 NumberOfFragments, 517 HoareAnnotationTreeSize, 384 FomulaSimplifications, 620 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 52 FomulaSimplificationsInter, 1392 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 858 NumberOfCodeBlocks, 858 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 984 ConstructedInterpolants, 0 QuantifiedInterpolants, 1678 SizeOfPredicates, 6 NumberOfNonLiveVariables, 2355 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 11 InterpolantComputations, 4 PerfectInterpolantSequences, 236/322 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 - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 417]: Loop Invariant Derived loop invariant: (((0 <= i2) && ((nomsg + 1) <= 0)) && (i2 <= 2147483645)) - InvariantResult [Line: 578]: Loop Invariant Derived loop invariant: (((0 <= i2) && (i2 <= 2147483646)) && ((nomsg + 1) <= 0)) - InvariantResult [Line: 102]: Loop Invariant Derived loop invariant: (((0 <= i2) && ((nomsg + 1) <= 0)) && (i2 <= 2147483645)) - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: (((0 <= i2) && ((nomsg + 1) <= 0)) && (i2 <= 2147483645)) - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: (((0 <= i2) && ((nomsg + 1) <= 0)) && (i2 <= 2147483645)) - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: (nomsg < 0) - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: (((((0 <= i2) && ((s1p_old + 1) <= 0)) && ((nomsg + 1) <= 0)) && ((s2p_old + 1) <= 0)) && (i2 <= 2147483645)) - InvariantResult [Line: 362]: Loop Invariant Derived loop invariant: (((0 <= i2) && ((nomsg + 1) <= 0)) && (i2 <= 2147483645)) - InvariantResult [Line: 374]: Loop Invariant Derived loop invariant: (((((0 <= i2) && ((s1p_old + 1) <= 0)) && ((nomsg + 1) <= 0)) && ((s2p_old + 1) <= 0)) && (i2 <= 2147483645)) - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: (((0 <= i2) && ((nomsg + 1) <= 0)) && (i2 <= 2147483645)) - InvariantResult [Line: 404]: Loop Invariant Derived loop invariant: (((((0 <= i2) && ((s1p_old + 1) <= 0)) && ((nomsg + 1) <= 0)) && ((s2p_old + 1) <= 0)) && (i2 <= 2147483645)) - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: (((0 <= i2) && ((nomsg + 1) <= 0)) && (i2 <= 2147483645)) - InvariantResult [Line: 536]: Loop Invariant Derived loop invariant: (nomsg < 0) - InvariantResult [Line: 236]: Loop Invariant Derived loop invariant: (((0 <= i2) && ((nomsg + 1) <= 0)) && (i2 <= 2147483645)) - InvariantResult [Line: 354]: Loop Invariant Derived loop invariant: (((0 <= i2) && ((nomsg + 1) <= 0)) && (i2 <= 2147483645)) - InvariantResult [Line: 162]: Loop Invariant Derived loop invariant: (((0 <= i2) && ((nomsg + 1) <= 0)) && (i2 <= 2147483645)) - InvariantResult [Line: 264]: Loop Invariant Derived loop invariant: (((0 <= i2) && ((nomsg + 1) <= 0)) && (i2 <= 2147483645)) RESULT: Ultimate proved your program to be correct! [2023-11-06 22:40:31,844 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a89d189f-c812-426e-82e5-5c196c5312b4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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