/usr/bin/java -Xmx16000000000 -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-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/parallel-ticket-2.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-bc79526 [2022-01-18 01:33:29,449 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-18 01:33:29,451 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-18 01:33:29,472 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-18 01:33:29,473 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-18 01:33:29,473 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-18 01:33:29,474 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-18 01:33:29,481 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-18 01:33:29,499 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-18 01:33:29,511 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-18 01:33:29,512 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-18 01:33:29,512 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-18 01:33:29,513 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-18 01:33:29,513 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-18 01:33:29,514 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-18 01:33:29,514 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-18 01:33:29,515 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-18 01:33:29,515 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-18 01:33:29,516 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-18 01:33:29,518 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-18 01:33:29,519 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-18 01:33:29,523 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-18 01:33:29,525 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-18 01:33:29,526 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-18 01:33:29,529 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-18 01:33:29,530 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-18 01:33:29,531 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-18 01:33:29,531 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-18 01:33:29,531 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-18 01:33:29,532 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-18 01:33:29,532 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-18 01:33:29,532 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-18 01:33:29,533 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-18 01:33:29,533 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-18 01:33:29,533 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-18 01:33:29,534 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-18 01:33:29,540 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-FA-NoLbe.epf [2022-01-18 01:33:29,565 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-18 01:33:29,565 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-18 01:33:29,566 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-18 01:33:29,566 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-18 01:33:29,566 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-18 01:33:29,567 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-18 01:33:29,567 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-18 01:33:29,567 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-18 01:33:29,567 INFO L138 SettingsManager]: * Use SBE=true [2022-01-18 01:33:29,567 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-18 01:33:29,568 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-18 01:33:29,568 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-18 01:33:29,568 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-18 01:33:29,568 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-18 01:33:29,568 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-18 01:33:29,568 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-18 01:33:29,568 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-18 01:33:29,568 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-18 01:33:29,568 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-18 01:33:29,568 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-18 01:33:29,569 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-18 01:33:29,569 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-18 01:33:29,569 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-18 01:33:29,569 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-18 01:33:29,569 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-18 01:33:29,569 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 01:33:29,569 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-18 01:33:29,569 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-18 01:33:29,569 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-18 01:33:29,569 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-18 01:33:29,570 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-18 01:33:29,570 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-18 01:33:29,570 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-18 01:33:29,570 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-18 01:33:29,742 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-18 01:33:29,774 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-18 01:33:29,776 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-18 01:33:29,776 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-18 01:33:29,777 INFO L275 PluginConnector]: CDTParser initialized [2022-01-18 01:33:29,777 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-ticket-2.wvr.c [2022-01-18 01:33:29,821 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2328e0d4e/3f024ab5214b40aca3553ae017a64c54/FLAG2edb9c9f9 [2022-01-18 01:33:30,132 INFO L306 CDTParser]: Found 1 translation units. [2022-01-18 01:33:30,133 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-2.wvr.c [2022-01-18 01:33:30,137 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2328e0d4e/3f024ab5214b40aca3553ae017a64c54/FLAG2edb9c9f9 [2022-01-18 01:33:30,548 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2328e0d4e/3f024ab5214b40aca3553ae017a64c54 [2022-01-18 01:33:30,550 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-18 01:33:30,551 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-18 01:33:30,553 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-18 01:33:30,554 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-18 01:33:30,556 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-18 01:33:30,556 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.01 01:33:30" (1/1) ... [2022-01-18 01:33:30,558 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c067312 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:33:30, skipping insertion in model container [2022-01-18 01:33:30,558 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.01 01:33:30" (1/1) ... [2022-01-18 01:33:30,563 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-18 01:33:30,576 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-18 01:33:30,725 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-ticket-2.wvr.c[2652,2665] [2022-01-18 01:33:30,727 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-18 01:33:30,732 INFO L203 MainTranslator]: Completed pre-run [2022-01-18 01:33:30,745 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-ticket-2.wvr.c[2652,2665] [2022-01-18 01:33:30,745 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-18 01:33:30,754 INFO L208 MainTranslator]: Completed translation [2022-01-18 01:33:30,754 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:33:30 WrapperNode [2022-01-18 01:33:30,754 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-18 01:33:30,755 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-18 01:33:30,755 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-18 01:33:30,755 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-18 01:33:30,760 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:33:30" (1/1) ... [2022-01-18 01:33:30,764 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:33:30" (1/1) ... [2022-01-18 01:33:30,780 INFO L137 Inliner]: procedures = 21, calls = 40, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 118 [2022-01-18 01:33:30,780 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-18 01:33:30,781 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-18 01:33:30,781 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-18 01:33:30,781 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-18 01:33:30,786 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:33:30" (1/1) ... [2022-01-18 01:33:30,786 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:33:30" (1/1) ... [2022-01-18 01:33:30,788 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:33:30" (1/1) ... [2022-01-18 01:33:30,788 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:33:30" (1/1) ... [2022-01-18 01:33:30,791 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:33:30" (1/1) ... [2022-01-18 01:33:30,792 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:33:30" (1/1) ... [2022-01-18 01:33:30,793 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:33:30" (1/1) ... [2022-01-18 01:33:30,794 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-18 01:33:30,795 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-18 01:33:30,795 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-18 01:33:30,795 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-18 01:33:30,795 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:33:30" (1/1) ... [2022-01-18 01:33:30,800 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 01:33:30,814 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 01:33:30,823 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) [2022-01-18 01:33:30,831 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 [2022-01-18 01:33:30,856 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-18 01:33:30,856 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-01-18 01:33:30,856 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-01-18 01:33:30,856 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-01-18 01:33:30,856 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-01-18 01:33:30,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-18 01:33:30,856 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-18 01:33:30,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-18 01:33:30,857 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-01-18 01:33:30,857 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-01-18 01:33:30,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-18 01:33:30,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-18 01:33:30,857 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-18 01:33:30,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-18 01:33:30,858 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-18 01:33:30,953 INFO L234 CfgBuilder]: Building ICFG [2022-01-18 01:33:30,954 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-18 01:33:31,088 INFO L275 CfgBuilder]: Performing block encoding [2022-01-18 01:33:31,142 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-18 01:33:31,142 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-18 01:33:31,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 01:33:31 BoogieIcfgContainer [2022-01-18 01:33:31,144 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-18 01:33:31,145 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-18 01:33:31,145 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-18 01:33:31,147 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-18 01:33:31,147 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.01 01:33:30" (1/3) ... [2022-01-18 01:33:31,148 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@799f861d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 01:33:31, skipping insertion in model container [2022-01-18 01:33:31,148 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 01:33:30" (2/3) ... [2022-01-18 01:33:31,148 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@799f861d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 01:33:31, skipping insertion in model container [2022-01-18 01:33:31,148 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 01:33:31" (3/3) ... [2022-01-18 01:33:31,149 INFO L111 eAbstractionObserver]: Analyzing ICFG parallel-ticket-2.wvr.c [2022-01-18 01:33:31,152 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-01-18 01:33:31,152 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-18 01:33:31,153 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-18 01:33:31,153 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-18 01:33:31,175 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:33:31,175 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:33:31,175 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:33:31,175 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:33:31,176 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:33:31,176 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:33:31,176 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:33:31,176 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:33:31,176 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:33:31,177 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:33:31,177 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:33:31,177 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:33:31,177 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:33:31,177 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:33:31,177 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:33:31,178 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:33:31,178 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:33:31,178 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:33:31,178 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:33:31,178 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:33:31,179 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:33:31,179 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:33:31,179 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:33:31,179 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:33:31,181 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:33:31,181 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:33:31,181 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:33:31,181 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:33:31,181 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:33:31,182 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:33:31,182 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:33:31,182 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:33:31,182 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:33:31,183 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:33:31,183 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:33:31,183 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 01:33:31,185 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-01-18 01:33:31,212 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-18 01:33:31,217 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, 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, mLoopAccelerationTechnique=FAST_UPR [2022-01-18 01:33:31,217 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-01-18 01:33:31,224 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 101 places, 96 transitions, 208 flow [2022-01-18 01:33:31,255 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 351 states, 350 states have (on average 2.1285714285714286) internal successors, (745), 350 states have internal predecessors, (745), 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) [2022-01-18 01:33:31,257 INFO L276 IsEmpty]: Start isEmpty. Operand has 351 states, 350 states have (on average 2.1285714285714286) internal successors, (745), 350 states have internal predecessors, (745), 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) [2022-01-18 01:33:31,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-01-18 01:33:31,268 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:33:31,268 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:33:31,269 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:33:31,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:33:31,272 INFO L85 PathProgramCache]: Analyzing trace with hash -1611059625, now seen corresponding path program 1 times [2022-01-18 01:33:31,278 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:33:31,279 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271350664] [2022-01-18 01:33:31,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:33:31,279 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:33:31,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:33:31,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:33:31,750 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:33:31,750 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271350664] [2022-01-18 01:33:31,750 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271350664] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:33:31,750 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:33:31,751 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-18 01:33:31,752 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109227800] [2022-01-18 01:33:31,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:33:31,756 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-18 01:33:31,756 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:33:31,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-18 01:33:31,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-01-18 01:33:31,779 INFO L87 Difference]: Start difference. First operand has 351 states, 350 states have (on average 2.1285714285714286) internal successors, (745), 350 states have internal predecessors, (745), 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) Second operand has 8 states, 8 states have (on average 10.125) internal successors, (81), 8 states have internal predecessors, (81), 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) [2022-01-18 01:33:31,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:33:31,979 INFO L93 Difference]: Finished difference Result 450 states and 955 transitions. [2022-01-18 01:33:31,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-18 01:33:31,981 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.125) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2022-01-18 01:33:31,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:33:31,988 INFO L225 Difference]: With dead ends: 450 [2022-01-18 01:33:31,988 INFO L226 Difference]: Without dead ends: 301 [2022-01-18 01:33:31,990 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2022-01-18 01:33:31,992 INFO L933 BasicCegarLoop]: 75 mSDtfsCounter, 122 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 01:33:31,992 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [122 Valid, 281 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 01:33:32,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2022-01-18 01:33:32,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 301. [2022-01-18 01:33:32,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 300 states have (on average 2.03) internal successors, (609), 300 states have internal predecessors, (609), 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) [2022-01-18 01:33:32,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 609 transitions. [2022-01-18 01:33:32,025 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 609 transitions. Word has length 81 [2022-01-18 01:33:32,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:33:32,026 INFO L470 AbstractCegarLoop]: Abstraction has 301 states and 609 transitions. [2022-01-18 01:33:32,026 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.125) internal successors, (81), 8 states have internal predecessors, (81), 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) [2022-01-18 01:33:32,026 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 609 transitions. [2022-01-18 01:33:32,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-01-18 01:33:32,028 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:33:32,028 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:33:32,029 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-18 01:33:32,029 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:33:32,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:33:32,029 INFO L85 PathProgramCache]: Analyzing trace with hash 800680731, now seen corresponding path program 2 times [2022-01-18 01:33:32,029 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:33:32,030 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981042478] [2022-01-18 01:33:32,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:33:32,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:33:32,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:33:32,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:33:32,101 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:33:32,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981042478] [2022-01-18 01:33:32,101 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981042478] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:33:32,102 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:33:32,102 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-18 01:33:32,102 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552311136] [2022-01-18 01:33:32,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:33:32,103 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-18 01:33:32,103 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:33:32,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-18 01:33:32,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-01-18 01:33:32,104 INFO L87 Difference]: Start difference. First operand 301 states and 609 transitions. Second operand has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 7 states have internal predecessors, (81), 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) [2022-01-18 01:33:32,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:33:32,169 INFO L93 Difference]: Finished difference Result 416 states and 841 transitions. [2022-01-18 01:33:32,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-18 01:33:32,169 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 7 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2022-01-18 01:33:32,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:33:32,172 INFO L225 Difference]: With dead ends: 416 [2022-01-18 01:33:32,172 INFO L226 Difference]: Without dead ends: 416 [2022-01-18 01:33:32,172 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-01-18 01:33:32,173 INFO L933 BasicCegarLoop]: 94 mSDtfsCounter, 99 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 01:33:32,173 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [99 Valid, 304 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 01:33:32,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2022-01-18 01:33:32,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 317. [2022-01-18 01:33:32,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 317 states, 316 states have (on average 2.0158227848101267) internal successors, (637), 316 states have internal predecessors, (637), 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) [2022-01-18 01:33:32,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 637 transitions. [2022-01-18 01:33:32,185 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 637 transitions. Word has length 81 [2022-01-18 01:33:32,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:33:32,185 INFO L470 AbstractCegarLoop]: Abstraction has 317 states and 637 transitions. [2022-01-18 01:33:32,185 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 7 states have internal predecessors, (81), 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) [2022-01-18 01:33:32,186 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 637 transitions. [2022-01-18 01:33:32,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-01-18 01:33:32,188 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:33:32,188 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:33:32,188 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-18 01:33:32,188 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:33:32,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:33:32,189 INFO L85 PathProgramCache]: Analyzing trace with hash 1876333869, now seen corresponding path program 3 times [2022-01-18 01:33:32,189 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:33:32,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986788042] [2022-01-18 01:33:32,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:33:32,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:33:32,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:33:32,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:33:32,359 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:33:32,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986788042] [2022-01-18 01:33:32,359 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1986788042] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:33:32,360 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:33:32,360 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-01-18 01:33:32,360 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596701733] [2022-01-18 01:33:32,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:33:32,361 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-01-18 01:33:32,361 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:33:32,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-01-18 01:33:32,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-01-18 01:33:32,362 INFO L87 Difference]: Start difference. First operand 317 states and 637 transitions. Second operand has 11 states, 11 states have (on average 7.363636363636363) internal successors, (81), 11 states have internal predecessors, (81), 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) [2022-01-18 01:33:32,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:33:32,578 INFO L93 Difference]: Finished difference Result 399 states and 808 transitions. [2022-01-18 01:33:32,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-18 01:33:32,578 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.363636363636363) internal successors, (81), 11 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2022-01-18 01:33:32,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:33:32,579 INFO L225 Difference]: With dead ends: 399 [2022-01-18 01:33:32,579 INFO L226 Difference]: Without dead ends: 190 [2022-01-18 01:33:32,579 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2022-01-18 01:33:32,580 INFO L933 BasicCegarLoop]: 91 mSDtfsCounter, 137 mSDsluCounter, 596 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 628 SdHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-18 01:33:32,581 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [137 Valid, 628 Invalid, 226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 213 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-18 01:33:32,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2022-01-18 01:33:32,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 190. [2022-01-18 01:33:32,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 189 states have (on average 1.8095238095238095) internal successors, (342), 189 states have internal predecessors, (342), 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) [2022-01-18 01:33:32,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 342 transitions. [2022-01-18 01:33:32,585 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 342 transitions. Word has length 81 [2022-01-18 01:33:32,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:33:32,586 INFO L470 AbstractCegarLoop]: Abstraction has 190 states and 342 transitions. [2022-01-18 01:33:32,586 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.363636363636363) internal successors, (81), 11 states have internal predecessors, (81), 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) [2022-01-18 01:33:32,586 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 342 transitions. [2022-01-18 01:33:32,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-01-18 01:33:32,587 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 01:33:32,587 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 01:33:32,587 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-18 01:33:32,587 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 01:33:32,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 01:33:32,588 INFO L85 PathProgramCache]: Analyzing trace with hash -1823231101, now seen corresponding path program 4 times [2022-01-18 01:33:32,588 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 01:33:32,588 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090589402] [2022-01-18 01:33:32,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 01:33:32,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 01:33:32,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 01:33:32,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 01:33:32,648 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 01:33:32,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090589402] [2022-01-18 01:33:32,648 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090589402] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 01:33:32,648 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 01:33:32,648 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-18 01:33:32,648 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649866140] [2022-01-18 01:33:32,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 01:33:32,649 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-18 01:33:32,649 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 01:33:32,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-18 01:33:32,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-01-18 01:33:32,650 INFO L87 Difference]: Start difference. First operand 190 states and 342 transitions. Second operand has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 7 states have internal predecessors, (81), 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) [2022-01-18 01:33:32,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 01:33:32,679 INFO L93 Difference]: Finished difference Result 73 states and 88 transitions. [2022-01-18 01:33:32,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-18 01:33:32,679 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 7 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2022-01-18 01:33:32,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 01:33:32,680 INFO L225 Difference]: With dead ends: 73 [2022-01-18 01:33:32,680 INFO L226 Difference]: Without dead ends: 0 [2022-01-18 01:33:32,680 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-01-18 01:33:32,681 INFO L933 BasicCegarLoop]: 58 mSDtfsCounter, 41 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 01:33:32,681 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [41 Valid, 188 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 01:33:32,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-18 01:33:32,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-18 01:33:32,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 01:33:32,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-18 01:33:32,682 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 81 [2022-01-18 01:33:32,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 01:33:32,682 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-18 01:33:32,682 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 7 states have internal predecessors, (81), 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) [2022-01-18 01:33:32,682 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-18 01:33:32,682 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-18 01:33:32,684 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-01-18 01:33:32,684 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-01-18 01:33:32,685 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2022-01-18 01:33:32,685 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-18 01:33:32,687 INFO L732 BasicCegarLoop]: Path program histogram: [4] [2022-01-18 01:33:32,688 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-01-18 01:33:32,688 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-18 01:33:32,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.01 01:33:32 BasicIcfg [2022-01-18 01:33:32,690 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-18 01:33:32,690 INFO L158 Benchmark]: Toolchain (without parser) took 2139.42ms. Allocated memory was 429.9MB in the beginning and 618.7MB in the end (delta: 188.7MB). Free memory was 374.6MB in the beginning and 435.5MB in the end (delta: -60.9MB). Peak memory consumption was 127.0MB. Max. memory is 16.0GB. [2022-01-18 01:33:32,691 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 429.9MB. Free memory is still 390.9MB. There was no memory consumed. Max. memory is 16.0GB. [2022-01-18 01:33:32,691 INFO L158 Benchmark]: CACSL2BoogieTranslator took 201.25ms. Allocated memory was 429.9MB in the beginning and 618.7MB in the end (delta: 188.7MB). Free memory was 374.4MB in the beginning and 590.7MB in the end (delta: -216.2MB). Peak memory consumption was 8.3MB. Max. memory is 16.0GB. [2022-01-18 01:33:32,691 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.18ms. Allocated memory is still 618.7MB. Free memory was 590.7MB in the beginning and 588.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-18 01:33:32,691 INFO L158 Benchmark]: Boogie Preprocessor took 13.41ms. Allocated memory is still 618.7MB. Free memory was 588.6MB in the beginning and 587.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-18 01:33:32,692 INFO L158 Benchmark]: RCFGBuilder took 349.39ms. Allocated memory is still 618.7MB. Free memory was 587.5MB in the beginning and 569.7MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.0GB. [2022-01-18 01:33:32,692 INFO L158 Benchmark]: TraceAbstraction took 1544.95ms. Allocated memory is still 618.7MB. Free memory was 569.7MB in the beginning and 435.5MB in the end (delta: 134.2MB). Peak memory consumption was 134.2MB. Max. memory is 16.0GB. [2022-01-18 01:33:32,693 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 429.9MB. Free memory is still 390.9MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 201.25ms. Allocated memory was 429.9MB in the beginning and 618.7MB in the end (delta: 188.7MB). Free memory was 374.4MB in the beginning and 590.7MB in the end (delta: -216.2MB). Peak memory consumption was 8.3MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 25.18ms. Allocated memory is still 618.7MB. Free memory was 590.7MB in the beginning and 588.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 13.41ms. Allocated memory is still 618.7MB. Free memory was 588.6MB in the beginning and 587.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 349.39ms. Allocated memory is still 618.7MB. Free memory was 587.5MB in the beginning and 569.7MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.0GB. * TraceAbstraction took 1544.95ms. Allocated memory is still 618.7MB. Free memory was 569.7MB in the beginning and 435.5MB in the end (delta: 134.2MB). Peak memory consumption was 134.2MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 102]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 112 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 399 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 399 mSDsluCounter, 1401 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1209 mSDsCounter, 38 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 434 IncrementalHoareTripleChecker+Invalid, 472 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 38 mSolverCounterUnsat, 318 mSDtfsCounter, 434 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=351occurred in iteration=0, InterpolantAutomatonStates: 37, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 99 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 324 NumberOfCodeBlocks, 324 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 320 ConstructedInterpolants, 0 QuantifiedInterpolants, 1221 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-01-18 01:33:32,735 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...