/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true -i ../../../trunk/examples/svcomp/weaver/parallel-misc-2-unrolled-atomic.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-53ca081-m [2022-09-16 11:49:49,604 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-16 11:49:49,607 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-16 11:49:49,636 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-16 11:49:49,636 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-16 11:49:49,637 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-16 11:49:49,638 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-16 11:49:49,639 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-16 11:49:49,640 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-16 11:49:49,640 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-16 11:49:49,641 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-16 11:49:49,642 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-16 11:49:49,642 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-16 11:49:49,642 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-16 11:49:49,643 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-16 11:49:49,644 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-16 11:49:49,644 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-16 11:49:49,645 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-16 11:49:49,646 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-16 11:49:49,647 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-16 11:49:49,648 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-16 11:49:49,649 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-16 11:49:49,650 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-16 11:49:49,650 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-16 11:49:49,653 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-09-16 11:49:49,653 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-09-16 11:49:49,653 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-09-16 11:49:49,654 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-09-16 11:49:49,654 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-09-16 11:49:49,655 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-09-16 11:49:49,655 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-09-16 11:49:49,656 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-09-16 11:49:49,656 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-09-16 11:49:49,657 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-09-16 11:49:49,657 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-09-16 11:49:49,658 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-09-16 11:49:49,658 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-09-16 11:49:49,658 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-09-16 11:49:49,659 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-16 11:49:49,659 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-16 11:49:49,660 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-16 11:49:49,666 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf [2022-09-16 11:49:49,685 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-16 11:49:49,685 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-16 11:49:49,686 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-16 11:49:49,686 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-16 11:49:49,686 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-16 11:49:49,687 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-16 11:49:49,687 INFO L138 SettingsManager]: * Use SBE=true [2022-09-16 11:49:49,687 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-16 11:49:49,687 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-16 11:49:49,687 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-16 11:49:49,687 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-16 11:49:49,687 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-16 11:49:49,687 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-16 11:49:49,688 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-16 11:49:49,688 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-16 11:49:49,688 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-16 11:49:49,688 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-16 11:49:49,688 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-16 11:49:49,688 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-16 11:49:49,688 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-16 11:49:49,688 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-16 11:49:49,688 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-16 11:49:49,689 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-16 11:49:49,689 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 11:49:49,689 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-16 11:49:49,689 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-16 11:49:49,689 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-16 11:49:49,689 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-16 11:49:49,689 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-16 11:49:49,690 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-16 11:49:49,690 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-09-16 11:49:49,690 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2022-09-16 11:49:49,857 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-16 11:49:49,884 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-16 11:49:49,885 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-16 11:49:49,886 INFO L271 PluginConnector]: Initializing CDTParser... [2022-09-16 11:49:49,888 INFO L275 PluginConnector]: CDTParser initialized [2022-09-16 11:49:49,889 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-misc-2-unrolled-atomic.wvr.c [2022-09-16 11:49:49,938 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0cb4c6dc/2875cc6f4eb14ce9825cc12cf16e28bd/FLAG1f2e6a966 [2022-09-16 11:49:50,307 INFO L306 CDTParser]: Found 1 translation units. [2022-09-16 11:49:50,307 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-2-unrolled-atomic.wvr.c [2022-09-16 11:49:50,312 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0cb4c6dc/2875cc6f4eb14ce9825cc12cf16e28bd/FLAG1f2e6a966 [2022-09-16 11:49:50,321 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0cb4c6dc/2875cc6f4eb14ce9825cc12cf16e28bd [2022-09-16 11:49:50,323 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-16 11:49:50,324 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-09-16 11:49:50,325 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-09-16 11:49:50,325 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-09-16 11:49:50,327 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-09-16 11:49:50,328 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 11:49:50" (1/1) ... [2022-09-16 11:49:50,337 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@196046c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:49:50, skipping insertion in model container [2022-09-16 11:49:50,338 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 11:49:50" (1/1) ... [2022-09-16 11:49:50,344 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-09-16 11:49:50,363 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-09-16 11:49:50,556 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-2-unrolled-atomic.wvr.c[2252,2265] [2022-09-16 11:49:50,561 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 11:49:50,568 INFO L203 MainTranslator]: Completed pre-run [2022-09-16 11:49:50,581 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-2-unrolled-atomic.wvr.c[2252,2265] [2022-09-16 11:49:50,582 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 11:49:50,591 INFO L208 MainTranslator]: Completed translation [2022-09-16 11:49:50,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:49:50 WrapperNode [2022-09-16 11:49:50,591 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-09-16 11:49:50,592 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-16 11:49:50,592 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-16 11:49:50,592 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-16 11:49:50,597 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:49:50" (1/1) ... [2022-09-16 11:49:50,602 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:49:50" (1/1) ... [2022-09-16 11:49:50,617 INFO L138 Inliner]: procedures = 20, calls = 25, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 68 [2022-09-16 11:49:50,617 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-16 11:49:50,618 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-16 11:49:50,618 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-16 11:49:50,618 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-16 11:49:50,623 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:49:50" (1/1) ... [2022-09-16 11:49:50,624 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:49:50" (1/1) ... [2022-09-16 11:49:50,625 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:49:50" (1/1) ... [2022-09-16 11:49:50,625 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:49:50" (1/1) ... [2022-09-16 11:49:50,629 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:49:50" (1/1) ... [2022-09-16 11:49:50,631 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:49:50" (1/1) ... [2022-09-16 11:49:50,632 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:49:50" (1/1) ... [2022-09-16 11:49:50,633 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-16 11:49:50,634 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-16 11:49:50,634 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-16 11:49:50,634 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-16 11:49:50,635 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:49:50" (1/1) ... [2022-09-16 11:49:50,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 11:49:50,648 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 11:49:50,657 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-09-16 11:49:50,659 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-09-16 11:49:50,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-09-16 11:49:50,681 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-09-16 11:49:50,681 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-09-16 11:49:50,681 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-09-16 11:49:50,681 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-09-16 11:49:50,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-09-16 11:49:50,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-09-16 11:49:50,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-09-16 11:49:50,682 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-09-16 11:49:50,682 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-09-16 11:49:50,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-16 11:49:50,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-16 11:49:50,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-09-16 11:49:50,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-09-16 11:49:50,683 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-09-16 11:49:50,740 INFO L234 CfgBuilder]: Building ICFG [2022-09-16 11:49:50,741 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-16 11:49:50,902 INFO L275 CfgBuilder]: Performing block encoding [2022-09-16 11:49:51,090 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-16 11:49:51,091 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-09-16 11:49:51,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 11:49:51 BoogieIcfgContainer [2022-09-16 11:49:51,093 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-16 11:49:51,094 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-16 11:49:51,094 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-16 11:49:51,096 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-16 11:49:51,096 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 11:49:50" (1/3) ... [2022-09-16 11:49:51,097 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f30cc7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 11:49:51, skipping insertion in model container [2022-09-16 11:49:51,097 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 11:49:50" (2/3) ... [2022-09-16 11:49:51,097 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f30cc7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 11:49:51, skipping insertion in model container [2022-09-16 11:49:51,097 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 11:49:51" (3/3) ... [2022-09-16 11:49:51,098 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-misc-2-unrolled-atomic.wvr.c [2022-09-16 11:49:51,110 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-16 11:49:51,111 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 20 error locations. [2022-09-16 11:49:51,111 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-16 11:49:51,174 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-09-16 11:49:51,210 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 119 places, 119 transitions, 254 flow [2022-09-16 11:49:51,251 INFO L130 PetriNetUnfolder]: 7/117 cut-off events. [2022-09-16 11:49:51,251 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-09-16 11:49:51,254 INFO L83 FinitePrefix]: Finished finitePrefix Result has 126 conditions, 117 events. 7/117 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 139 event pairs, 0 based on Foata normal form. 0/90 useless extension candidates. Maximal degree in co-relation 75. Up to 2 conditions per place. [2022-09-16 11:49:51,254 INFO L82 GeneralOperation]: Start removeDead. Operand has 119 places, 119 transitions, 254 flow [2022-09-16 11:49:51,258 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 99 places, 98 transitions, 205 flow [2022-09-16 11:49:51,269 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-09-16 11:49:51,274 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=false, 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;@39699d33, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-16 11:49:51,274 INFO L358 AbstractCegarLoop]: Starting to check reachability of 42 error locations. [2022-09-16 11:49:51,292 INFO L130 PetriNetUnfolder]: 2/52 cut-off events. [2022-09-16 11:49:51,292 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-09-16 11:49:51,292 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-09-16 11:49:51,293 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 11:49:51,293 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-09-16 11:49:51,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 11:49:51,297 INFO L85 PathProgramCache]: Analyzing trace with hash -56462393, now seen corresponding path program 1 times [2022-09-16 11:49:51,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 11:49:51,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176020132] [2022-09-16 11:49:51,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 11:49:51,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 11:49:51,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 11:49:51,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 11:49:51,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 11:49:51,551 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176020132] [2022-09-16 11:49:51,551 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [176020132] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 11:49:51,551 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 11:49:51,552 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-09-16 11:49:51,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871816517] [2022-09-16 11:49:51,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 11:49:51,559 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-09-16 11:49:51,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 11:49:51,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-09-16 11:49:51,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-09-16 11:49:51,589 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 63 out of 119 [2022-09-16 11:49:51,592 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 98 transitions, 205 flow. Second operand has 5 states, 5 states have (on average 65.4) internal successors, (327), 5 states have internal predecessors, (327), 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) [2022-09-16 11:49:51,592 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-09-16 11:49:51,592 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 63 of 119 [2022-09-16 11:49:51,592 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-09-16 11:49:51,757 INFO L130 PetriNetUnfolder]: 132/360 cut-off events. [2022-09-16 11:49:51,757 INFO L131 PetriNetUnfolder]: For 42/42 co-relation queries the response was YES. [2022-09-16 11:49:51,758 INFO L83 FinitePrefix]: Finished finitePrefix Result has 673 conditions, 360 events. 132/360 cut-off events. For 42/42 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 1603 event pairs, 109 based on Foata normal form. 2/200 useless extension candidates. Maximal degree in co-relation 551. Up to 265 conditions per place. [2022-09-16 11:49:51,764 INFO L137 encePairwiseOnDemand]: 101/119 looper letters, 29 selfloop transitions, 5 changer transitions 2/86 dead transitions. [2022-09-16 11:49:51,764 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 86 transitions, 253 flow [2022-09-16 11:49:51,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-09-16 11:49:51,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-09-16 11:49:51,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 426 transitions. [2022-09-16 11:49:51,778 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.5966386554621849 [2022-09-16 11:49:51,780 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 426 transitions. [2022-09-16 11:49:51,780 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 426 transitions. [2022-09-16 11:49:51,783 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-09-16 11:49:51,785 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 426 transitions. [2022-09-16 11:49:51,788 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 71.0) internal successors, (426), 6 states have internal predecessors, (426), 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) [2022-09-16 11:49:51,796 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 119.0) internal successors, (833), 7 states have internal predecessors, (833), 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) [2022-09-16 11:49:51,797 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 119.0) internal successors, (833), 7 states have internal predecessors, (833), 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) [2022-09-16 11:49:51,798 INFO L175 Difference]: Start difference. First operand has 99 places, 98 transitions, 205 flow. Second operand 6 states and 426 transitions. [2022-09-16 11:49:51,799 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 86 transitions, 253 flow [2022-09-16 11:49:51,803 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 86 transitions, 248 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-09-16 11:49:51,807 INFO L231 Difference]: Finished difference. Result has 93 places, 84 transitions, 182 flow [2022-09-16 11:49:51,809 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=176, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=182, PETRI_PLACES=93, PETRI_TRANSITIONS=84} [2022-09-16 11:49:51,813 INFO L287 CegarLoopForPetriNet]: 99 programPoint places, -6 predicate places. [2022-09-16 11:49:51,813 INFO L495 AbstractCegarLoop]: Abstraction has has 93 places, 84 transitions, 182 flow [2022-09-16 11:49:51,814 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 65.4) internal successors, (327), 5 states have internal predecessors, (327), 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) [2022-09-16 11:49:51,814 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-09-16 11:49:51,814 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 11:49:51,814 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-09-16 11:49:51,815 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-09-16 11:49:51,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 11:49:51,816 INFO L85 PathProgramCache]: Analyzing trace with hash 1556419526, now seen corresponding path program 1 times [2022-09-16 11:49:51,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 11:49:51,816 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14252279] [2022-09-16 11:49:51,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 11:49:51,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 11:49:51,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 11:49:51,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 11:49:51,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 11:49:51,906 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14252279] [2022-09-16 11:49:51,906 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14252279] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 11:49:51,906 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 11:49:51,906 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 11:49:51,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780136991] [2022-09-16 11:49:51,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 11:49:51,908 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 11:49:51,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 11:49:51,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 11:49:51,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-09-16 11:49:51,909 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 119 [2022-09-16 11:49:51,909 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 84 transitions, 182 flow. Second operand has 4 states, 4 states have (on average 86.25) internal successors, (345), 4 states have internal predecessors, (345), 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) [2022-09-16 11:49:51,910 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-09-16 11:49:51,910 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 119 [2022-09-16 11:49:51,910 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-09-16 11:49:52,003 INFO L130 PetriNetUnfolder]: 63/213 cut-off events. [2022-09-16 11:49:52,003 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2022-09-16 11:49:52,006 INFO L83 FinitePrefix]: Finished finitePrefix Result has 369 conditions, 213 events. 63/213 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 826 event pairs, 47 based on Foata normal form. 0/116 useless extension candidates. Maximal degree in co-relation 314. Up to 129 conditions per place. [2022-09-16 11:49:52,015 INFO L137 encePairwiseOnDemand]: 115/119 looper letters, 20 selfloop transitions, 3 changer transitions 0/83 dead transitions. [2022-09-16 11:49:52,015 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 83 transitions, 226 flow [2022-09-16 11:49:52,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 11:49:52,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-09-16 11:49:52,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 360 transitions. [2022-09-16 11:49:52,019 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.7563025210084033 [2022-09-16 11:49:52,019 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 360 transitions. [2022-09-16 11:49:52,019 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 360 transitions. [2022-09-16 11:49:52,019 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-09-16 11:49:52,019 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 360 transitions. [2022-09-16 11:49:52,020 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 90.0) internal successors, (360), 4 states have internal predecessors, (360), 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) [2022-09-16 11:49:52,021 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 119.0) internal successors, (595), 5 states have internal predecessors, (595), 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) [2022-09-16 11:49:52,022 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 119.0) internal successors, (595), 5 states have internal predecessors, (595), 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) [2022-09-16 11:49:52,022 INFO L175 Difference]: Start difference. First operand has 93 places, 84 transitions, 182 flow. Second operand 4 states and 360 transitions. [2022-09-16 11:49:52,022 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 83 transitions, 226 flow [2022-09-16 11:49:52,023 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 83 transitions, 216 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-09-16 11:49:52,025 INFO L231 Difference]: Finished difference. Result has 88 places, 83 transitions, 176 flow [2022-09-16 11:49:52,025 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=170, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=176, PETRI_PLACES=88, PETRI_TRANSITIONS=83} [2022-09-16 11:49:52,026 INFO L287 CegarLoopForPetriNet]: 99 programPoint places, -11 predicate places. [2022-09-16 11:49:52,026 INFO L495 AbstractCegarLoop]: Abstraction has has 88 places, 83 transitions, 176 flow [2022-09-16 11:49:52,027 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 86.25) internal successors, (345), 4 states have internal predecessors, (345), 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) [2022-09-16 11:49:52,027 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-09-16 11:49:52,027 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 11:49:52,027 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-09-16 11:49:52,029 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err8ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-09-16 11:49:52,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 11:49:52,030 INFO L85 PathProgramCache]: Analyzing trace with hash 1556419529, now seen corresponding path program 1 times [2022-09-16 11:49:52,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 11:49:52,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670367176] [2022-09-16 11:49:52,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 11:49:52,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 11:49:52,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 11:49:52,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 11:49:52,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 11:49:52,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670367176] [2022-09-16 11:49:52,101 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670367176] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 11:49:52,101 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 11:49:52,102 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 11:49:52,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114050642] [2022-09-16 11:49:52,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 11:49:52,102 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 11:49:52,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 11:49:52,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 11:49:52,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-09-16 11:49:52,104 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 74 out of 119 [2022-09-16 11:49:52,104 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 83 transitions, 176 flow. Second operand has 4 states, 4 states have (on average 76.75) internal successors, (307), 4 states have internal predecessors, (307), 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) [2022-09-16 11:49:52,104 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-09-16 11:49:52,104 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 74 of 119 [2022-09-16 11:49:52,104 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-09-16 11:49:52,198 INFO L130 PetriNetUnfolder]: 101/281 cut-off events. [2022-09-16 11:49:52,198 INFO L131 PetriNetUnfolder]: For 11/11 co-relation queries the response was YES. [2022-09-16 11:49:52,200 INFO L83 FinitePrefix]: Finished finitePrefix Result has 513 conditions, 281 events. 101/281 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 1136 event pairs, 40 based on Foata normal form. 0/176 useless extension candidates. Maximal degree in co-relation 480. Up to 134 conditions per place. [2022-09-16 11:49:52,203 INFO L137 encePairwiseOnDemand]: 108/119 looper letters, 32 selfloop transitions, 9 changer transitions 0/95 dead transitions. [2022-09-16 11:49:52,203 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 95 transitions, 286 flow [2022-09-16 11:49:52,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-09-16 11:49:52,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-09-16 11:49:52,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 413 transitions. [2022-09-16 11:49:52,205 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.6941176470588235 [2022-09-16 11:49:52,205 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 413 transitions. [2022-09-16 11:49:52,205 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 413 transitions. [2022-09-16 11:49:52,205 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-09-16 11:49:52,206 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 413 transitions. [2022-09-16 11:49:52,206 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 82.6) internal successors, (413), 5 states have internal predecessors, (413), 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) [2022-09-16 11:49:52,208 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 119.0) internal successors, (714), 6 states have internal predecessors, (714), 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) [2022-09-16 11:49:52,208 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 119.0) internal successors, (714), 6 states have internal predecessors, (714), 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) [2022-09-16 11:49:52,208 INFO L175 Difference]: Start difference. First operand has 88 places, 83 transitions, 176 flow. Second operand 5 states and 413 transitions. [2022-09-16 11:49:52,209 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 95 transitions, 286 flow [2022-09-16 11:49:52,210 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 95 transitions, 280 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-09-16 11:49:52,212 INFO L231 Difference]: Finished difference. Result has 88 places, 83 transitions, 196 flow [2022-09-16 11:49:52,212 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=166, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=196, PETRI_PLACES=88, PETRI_TRANSITIONS=83} [2022-09-16 11:49:52,213 INFO L287 CegarLoopForPetriNet]: 99 programPoint places, -11 predicate places. [2022-09-16 11:49:52,214 INFO L495 AbstractCegarLoop]: Abstraction has has 88 places, 83 transitions, 196 flow [2022-09-16 11:49:52,214 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 76.75) internal successors, (307), 4 states have internal predecessors, (307), 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) [2022-09-16 11:49:52,214 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-09-16 11:49:52,214 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 11:49:52,214 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-09-16 11:49:52,214 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-09-16 11:49:52,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 11:49:52,215 INFO L85 PathProgramCache]: Analyzing trace with hash 1556419524, now seen corresponding path program 1 times [2022-09-16 11:49:52,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 11:49:52,215 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695528441] [2022-09-16 11:49:52,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 11:49:52,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 11:49:52,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 11:49:52,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 11:49:52,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 11:49:52,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695528441] [2022-09-16 11:49:52,277 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [695528441] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 11:49:52,277 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 11:49:52,277 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 11:49:52,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550070488] [2022-09-16 11:49:52,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 11:49:52,277 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 11:49:52,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 11:49:52,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 11:49:52,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-09-16 11:49:52,279 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 119 [2022-09-16 11:49:52,279 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 83 transitions, 196 flow. Second operand has 4 states, 4 states have (on average 86.0) internal successors, (344), 4 states have internal predecessors, (344), 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) [2022-09-16 11:49:52,279 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-09-16 11:49:52,279 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 119 [2022-09-16 11:49:52,279 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-09-16 11:49:52,324 INFO L130 PetriNetUnfolder]: 30/140 cut-off events. [2022-09-16 11:49:52,325 INFO L131 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2022-09-16 11:49:52,325 INFO L83 FinitePrefix]: Finished finitePrefix Result has 229 conditions, 140 events. 30/140 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 314 event pairs, 10 based on Foata normal form. 0/113 useless extension candidates. Maximal degree in co-relation 143. Up to 53 conditions per place. [2022-09-16 11:49:52,326 INFO L137 encePairwiseOnDemand]: 112/119 looper letters, 13 selfloop transitions, 3 changer transitions 0/79 dead transitions. [2022-09-16 11:49:52,326 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 79 transitions, 218 flow [2022-09-16 11:49:52,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 11:49:52,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-09-16 11:49:52,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 356 transitions. [2022-09-16 11:49:52,327 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.7478991596638656 [2022-09-16 11:49:52,327 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 356 transitions. [2022-09-16 11:49:52,327 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 356 transitions. [2022-09-16 11:49:52,328 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-09-16 11:49:52,328 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 356 transitions. [2022-09-16 11:49:52,328 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 89.0) internal successors, (356), 4 states have internal predecessors, (356), 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) [2022-09-16 11:49:52,329 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 119.0) internal successors, (595), 5 states have internal predecessors, (595), 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) [2022-09-16 11:49:52,330 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 119.0) internal successors, (595), 5 states have internal predecessors, (595), 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) [2022-09-16 11:49:52,330 INFO L175 Difference]: Start difference. First operand has 88 places, 83 transitions, 196 flow. Second operand 4 states and 356 transitions. [2022-09-16 11:49:52,330 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 79 transitions, 218 flow [2022-09-16 11:49:52,331 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 79 transitions, 206 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-09-16 11:49:52,333 INFO L231 Difference]: Finished difference. Result has 84 places, 79 transitions, 180 flow [2022-09-16 11:49:52,333 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=174, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=79, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=180, PETRI_PLACES=84, PETRI_TRANSITIONS=79} [2022-09-16 11:49:52,334 INFO L287 CegarLoopForPetriNet]: 99 programPoint places, -15 predicate places. [2022-09-16 11:49:52,335 INFO L495 AbstractCegarLoop]: Abstraction has has 84 places, 79 transitions, 180 flow [2022-09-16 11:49:52,335 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 86.0) internal successors, (344), 4 states have internal predecessors, (344), 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) [2022-09-16 11:49:52,337 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-09-16 11:49:52,337 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 11:49:52,339 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-09-16 11:49:52,339 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-09-16 11:49:52,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 11:49:52,340 INFO L85 PathProgramCache]: Analyzing trace with hash 1556419523, now seen corresponding path program 1 times [2022-09-16 11:49:52,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 11:49:52,341 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621728770] [2022-09-16 11:49:52,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 11:49:52,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 11:49:52,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 11:49:52,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 11:49:52,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 11:49:52,431 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621728770] [2022-09-16 11:49:52,431 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1621728770] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 11:49:52,431 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 11:49:52,431 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-09-16 11:49:52,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637301906] [2022-09-16 11:49:52,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 11:49:52,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-09-16 11:49:52,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 11:49:52,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-09-16 11:49:52,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-09-16 11:49:52,433 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 74 out of 119 [2022-09-16 11:49:52,433 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 79 transitions, 180 flow. Second operand has 5 states, 5 states have (on average 76.4) internal successors, (382), 5 states have internal predecessors, (382), 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) [2022-09-16 11:49:52,433 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-09-16 11:49:52,434 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 74 of 119 [2022-09-16 11:49:52,434 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-09-16 11:49:52,473 INFO L130 PetriNetUnfolder]: 20/117 cut-off events. [2022-09-16 11:49:52,474 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2022-09-16 11:49:52,474 INFO L83 FinitePrefix]: Finished finitePrefix Result has 181 conditions, 117 events. 20/117 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 206 event pairs, 2 based on Foata normal form. 0/96 useless extension candidates. Maximal degree in co-relation 150. Up to 24 conditions per place. [2022-09-16 11:49:52,475 INFO L137 encePairwiseOnDemand]: 110/119 looper letters, 14 selfloop transitions, 7 changer transitions 0/80 dead transitions. [2022-09-16 11:49:52,475 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 80 transitions, 225 flow [2022-09-16 11:49:52,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-09-16 11:49:52,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-09-16 11:49:52,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 393 transitions. [2022-09-16 11:49:52,477 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.6605042016806723 [2022-09-16 11:49:52,477 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 393 transitions. [2022-09-16 11:49:52,477 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 393 transitions. [2022-09-16 11:49:52,477 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-09-16 11:49:52,477 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 393 transitions. [2022-09-16 11:49:52,479 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 78.6) internal successors, (393), 5 states have internal predecessors, (393), 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) [2022-09-16 11:49:52,480 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 119.0) internal successors, (714), 6 states have internal predecessors, (714), 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) [2022-09-16 11:49:52,480 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 119.0) internal successors, (714), 6 states have internal predecessors, (714), 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) [2022-09-16 11:49:52,480 INFO L175 Difference]: Start difference. First operand has 84 places, 79 transitions, 180 flow. Second operand 5 states and 393 transitions. [2022-09-16 11:49:52,480 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 80 transitions, 225 flow [2022-09-16 11:49:52,481 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 80 transitions, 219 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-09-16 11:49:52,483 INFO L231 Difference]: Finished difference. Result has 85 places, 78 transitions, 193 flow [2022-09-16 11:49:52,484 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=172, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=193, PETRI_PLACES=85, PETRI_TRANSITIONS=78} [2022-09-16 11:49:52,486 INFO L287 CegarLoopForPetriNet]: 99 programPoint places, -14 predicate places. [2022-09-16 11:49:52,486 INFO L495 AbstractCegarLoop]: Abstraction has has 85 places, 78 transitions, 193 flow [2022-09-16 11:49:52,486 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 76.4) internal successors, (382), 5 states have internal predecessors, (382), 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) [2022-09-16 11:49:52,486 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-09-16 11:49:52,487 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 11:49:52,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-09-16 11:49:52,487 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-09-16 11:49:52,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 11:49:52,488 INFO L85 PathProgramCache]: Analyzing trace with hash -1465051035, now seen corresponding path program 1 times [2022-09-16 11:49:52,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 11:49:52,488 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372757525] [2022-09-16 11:49:52,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 11:49:52,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 11:49:52,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 11:49:52,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 11:49:52,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 11:49:52,554 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372757525] [2022-09-16 11:49:52,554 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [372757525] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 11:49:52,554 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 11:49:52,554 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 11:49:52,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224551544] [2022-09-16 11:49:52,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 11:49:52,555 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 11:49:52,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 11:49:52,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 11:49:52,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-09-16 11:49:52,556 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 74 out of 119 [2022-09-16 11:49:52,556 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 78 transitions, 193 flow. Second operand has 4 states, 4 states have (on average 78.0) internal successors, (312), 4 states have internal predecessors, (312), 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) [2022-09-16 11:49:52,556 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-09-16 11:49:52,556 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 74 of 119 [2022-09-16 11:49:52,556 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-09-16 11:49:52,600 INFO L130 PetriNetUnfolder]: 44/159 cut-off events. [2022-09-16 11:49:52,601 INFO L131 PetriNetUnfolder]: For 19/19 co-relation queries the response was YES. [2022-09-16 11:49:52,601 INFO L83 FinitePrefix]: Finished finitePrefix Result has 308 conditions, 159 events. 44/159 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 358 event pairs, 12 based on Foata normal form. 0/141 useless extension candidates. Maximal degree in co-relation 215. Up to 62 conditions per place. [2022-09-16 11:49:52,602 INFO L137 encePairwiseOnDemand]: 109/119 looper letters, 21 selfloop transitions, 8 changer transitions 3/83 dead transitions. [2022-09-16 11:49:52,602 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 83 transitions, 265 flow [2022-09-16 11:49:52,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-09-16 11:49:52,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-09-16 11:49:52,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 402 transitions. [2022-09-16 11:49:52,603 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.6756302521008404 [2022-09-16 11:49:52,603 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 402 transitions. [2022-09-16 11:49:52,603 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 402 transitions. [2022-09-16 11:49:52,603 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-09-16 11:49:52,603 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 402 transitions. [2022-09-16 11:49:52,604 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 80.4) internal successors, (402), 5 states have internal predecessors, (402), 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) [2022-09-16 11:49:52,605 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 119.0) internal successors, (714), 6 states have internal predecessors, (714), 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) [2022-09-16 11:49:52,605 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 119.0) internal successors, (714), 6 states have internal predecessors, (714), 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) [2022-09-16 11:49:52,605 INFO L175 Difference]: Start difference. First operand has 85 places, 78 transitions, 193 flow. Second operand 5 states and 402 transitions. [2022-09-16 11:49:52,605 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 83 transitions, 265 flow [2022-09-16 11:49:52,606 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 83 transitions, 253 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-09-16 11:49:52,607 INFO L231 Difference]: Finished difference. Result has 83 places, 73 transitions, 184 flow [2022-09-16 11:49:52,607 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=174, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=184, PETRI_PLACES=83, PETRI_TRANSITIONS=73} [2022-09-16 11:49:52,607 INFO L287 CegarLoopForPetriNet]: 99 programPoint places, -16 predicate places. [2022-09-16 11:49:52,607 INFO L495 AbstractCegarLoop]: Abstraction has has 83 places, 73 transitions, 184 flow [2022-09-16 11:49:52,608 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 78.0) internal successors, (312), 4 states have internal predecessors, (312), 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) [2022-09-16 11:49:52,608 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-09-16 11:49:52,608 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 11:49:52,608 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-09-16 11:49:52,608 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-09-16 11:49:52,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 11:49:52,608 INFO L85 PathProgramCache]: Analyzing trace with hash 1228946088, now seen corresponding path program 1 times [2022-09-16 11:49:52,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 11:49:52,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176582820] [2022-09-16 11:49:52,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 11:49:52,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 11:49:52,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 11:49:52,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 11:49:52,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 11:49:52,636 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176582820] [2022-09-16 11:49:52,636 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [176582820] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 11:49:52,636 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 11:49:52,636 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 11:49:52,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762117940] [2022-09-16 11:49:52,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 11:49:52,636 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 11:49:52,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 11:49:52,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 11:49:52,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-09-16 11:49:52,637 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 119 [2022-09-16 11:49:52,638 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 73 transitions, 184 flow. Second operand has 4 states, 4 states have (on average 86.5) internal successors, (346), 4 states have internal predecessors, (346), 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) [2022-09-16 11:49:52,638 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-09-16 11:49:52,638 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 119 [2022-09-16 11:49:52,638 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-09-16 11:49:52,657 INFO L130 PetriNetUnfolder]: 13/92 cut-off events. [2022-09-16 11:49:52,657 INFO L131 PetriNetUnfolder]: For 11/12 co-relation queries the response was YES. [2022-09-16 11:49:52,657 INFO L83 FinitePrefix]: Finished finitePrefix Result has 149 conditions, 92 events. 13/92 cut-off events. For 11/12 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 78 event pairs, 2 based on Foata normal form. 3/91 useless extension candidates. Maximal degree in co-relation 66. Up to 21 conditions per place. [2022-09-16 11:49:52,657 INFO L137 encePairwiseOnDemand]: 115/119 looper letters, 0 selfloop transitions, 0 changer transitions 71/71 dead transitions. [2022-09-16 11:49:52,657 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 71 transitions, 201 flow [2022-09-16 11:49:52,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 11:49:52,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-09-16 11:49:52,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 349 transitions. [2022-09-16 11:49:52,659 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.7331932773109243 [2022-09-16 11:49:52,659 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 349 transitions. [2022-09-16 11:49:52,660 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 349 transitions. [2022-09-16 11:49:52,660 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-09-16 11:49:52,660 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 349 transitions. [2022-09-16 11:49:52,660 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 87.25) internal successors, (349), 4 states have internal predecessors, (349), 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) [2022-09-16 11:49:52,661 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 119.0) internal successors, (595), 5 states have internal predecessors, (595), 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) [2022-09-16 11:49:52,661 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 119.0) internal successors, (595), 5 states have internal predecessors, (595), 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) [2022-09-16 11:49:52,661 INFO L175 Difference]: Start difference. First operand has 83 places, 73 transitions, 184 flow. Second operand 4 states and 349 transitions. [2022-09-16 11:49:52,662 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 71 transitions, 201 flow [2022-09-16 11:49:52,662 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 71 transitions, 182 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-09-16 11:49:52,663 INFO L231 Difference]: Finished difference. Result has 76 places, 0 transitions, 0 flow [2022-09-16 11:49:52,663 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=158, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=71, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=0, PETRI_PLACES=76, PETRI_TRANSITIONS=0} [2022-09-16 11:49:52,663 INFO L287 CegarLoopForPetriNet]: 99 programPoint places, -23 predicate places. [2022-09-16 11:49:52,663 INFO L495 AbstractCegarLoop]: Abstraction has has 76 places, 0 transitions, 0 flow [2022-09-16 11:49:52,664 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 86.5) internal successors, (346), 4 states have internal predecessors, (346), 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) [2022-09-16 11:49:52,665 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 42 remaining) [2022-09-16 11:49:52,666 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 42 remaining) [2022-09-16 11:49:52,666 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 42 remaining) [2022-09-16 11:49:52,666 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 42 remaining) [2022-09-16 11:49:52,666 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 42 remaining) [2022-09-16 11:49:52,666 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 42 remaining) [2022-09-16 11:49:52,666 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 42 remaining) [2022-09-16 11:49:52,666 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 42 remaining) [2022-09-16 11:49:52,666 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 42 remaining) [2022-09-16 11:49:52,667 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 42 remaining) [2022-09-16 11:49:52,667 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 42 remaining) [2022-09-16 11:49:52,667 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 42 remaining) [2022-09-16 11:49:52,667 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 42 remaining) [2022-09-16 11:49:52,667 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 42 remaining) [2022-09-16 11:49:52,667 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 42 remaining) [2022-09-16 11:49:52,667 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 42 remaining) [2022-09-16 11:49:52,667 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 42 remaining) [2022-09-16 11:49:52,667 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 42 remaining) [2022-09-16 11:49:52,667 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 42 remaining) [2022-09-16 11:49:52,667 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 42 remaining) [2022-09-16 11:49:52,668 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (21 of 42 remaining) [2022-09-16 11:49:52,668 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (20 of 42 remaining) [2022-09-16 11:49:52,668 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 42 remaining) [2022-09-16 11:49:52,668 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 42 remaining) [2022-09-16 11:49:52,668 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 42 remaining) [2022-09-16 11:49:52,668 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 42 remaining) [2022-09-16 11:49:52,668 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 42 remaining) [2022-09-16 11:49:52,668 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 42 remaining) [2022-09-16 11:49:52,668 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 42 remaining) [2022-09-16 11:49:52,668 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 42 remaining) [2022-09-16 11:49:52,669 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 42 remaining) [2022-09-16 11:49:52,669 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 42 remaining) [2022-09-16 11:49:52,669 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 42 remaining) [2022-09-16 11:49:52,669 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 42 remaining) [2022-09-16 11:49:52,669 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 42 remaining) [2022-09-16 11:49:52,669 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 42 remaining) [2022-09-16 11:49:52,669 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 42 remaining) [2022-09-16 11:49:52,669 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 42 remaining) [2022-09-16 11:49:52,669 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 42 remaining) [2022-09-16 11:49:52,669 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 42 remaining) [2022-09-16 11:49:52,669 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 42 remaining) [2022-09-16 11:49:52,670 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 42 remaining) [2022-09-16 11:49:52,670 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-09-16 11:49:52,670 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2022-09-16 11:49:52,674 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-09-16 11:49:52,674 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-09-16 11:49:52,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 11:49:52 BasicIcfg [2022-09-16 11:49:52,677 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-09-16 11:49:52,678 INFO L158 Benchmark]: Toolchain (without parser) took 2353.76ms. Allocated memory was 202.4MB in the beginning and 304.1MB in the end (delta: 101.7MB). Free memory was 145.6MB in the beginning and 145.9MB in the end (delta: -288.4kB). Peak memory consumption was 102.1MB. Max. memory is 8.0GB. [2022-09-16 11:49:52,678 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 202.4MB. Free memory is still 162.0MB. There was no memory consumed. Max. memory is 8.0GB. [2022-09-16 11:49:52,678 INFO L158 Benchmark]: CACSL2BoogieTranslator took 266.47ms. Allocated memory is still 202.4MB. Free memory was 145.4MB in the beginning and 175.3MB in the end (delta: -29.9MB). Peak memory consumption was 9.3MB. Max. memory is 8.0GB. [2022-09-16 11:49:52,678 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.26ms. Allocated memory is still 202.4MB. Free memory was 175.3MB in the beginning and 173.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-09-16 11:49:52,679 INFO L158 Benchmark]: Boogie Preprocessor took 15.62ms. Allocated memory is still 202.4MB. Free memory was 173.7MB in the beginning and 172.6MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-09-16 11:49:52,679 INFO L158 Benchmark]: RCFGBuilder took 458.60ms. Allocated memory is still 202.4MB. Free memory was 172.6MB in the beginning and 146.4MB in the end (delta: 26.2MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. [2022-09-16 11:49:52,679 INFO L158 Benchmark]: TraceAbstraction took 1583.72ms. Allocated memory was 202.4MB in the beginning and 304.1MB in the end (delta: 101.7MB). Free memory was 145.9MB in the beginning and 145.9MB in the end (delta: 30.3kB). Peak memory consumption was 103.3MB. Max. memory is 8.0GB. [2022-09-16 11:49:52,680 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 202.4MB. Free memory is still 162.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 266.47ms. Allocated memory is still 202.4MB. Free memory was 145.4MB in the beginning and 175.3MB in the end (delta: -29.9MB). Peak memory consumption was 9.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 25.26ms. Allocated memory is still 202.4MB. Free memory was 175.3MB in the beginning and 173.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 15.62ms. Allocated memory is still 202.4MB. Free memory was 173.7MB in the beginning and 172.6MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 458.60ms. Allocated memory is still 202.4MB. Free memory was 172.6MB in the beginning and 146.4MB in the end (delta: 26.2MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. * TraceAbstraction took 1583.72ms. Allocated memory was 202.4MB in the beginning and 304.1MB in the end (delta: 101.7MB). Free memory was 145.9MB in the beginning and 145.9MB in the end (delta: 30.3kB). Peak memory consumption was 103.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 57]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 57]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 58]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 58]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 149 locations, 42 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.5s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 140 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 140 mSDsluCounter, 65 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 58 mSDsCounter, 48 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 243 IncrementalHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 48 mSolverCounterUnsat, 45 mSDtfsCounter, 243 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=205occurred in iteration=0, InterpolantAutomatonStates: 33, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 363 NumberOfCodeBlocks, 363 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 356 ConstructedInterpolants, 0 QuantifiedInterpolants, 862 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 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 20 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-09-16 11:49:52,711 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...