/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-PN-SemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/ldv-races/race-1_3-join.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-24 20:08:20,883 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-24 20:08:20,891 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-24 20:08:20,917 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-24 20:08:20,918 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-24 20:08:20,919 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-24 20:08:20,920 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-24 20:08:20,921 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-24 20:08:20,923 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-24 20:08:20,924 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-24 20:08:20,924 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-24 20:08:20,925 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-24 20:08:20,926 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-24 20:08:20,926 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-24 20:08:20,927 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-24 20:08:20,928 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-24 20:08:20,929 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-24 20:08:20,930 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-24 20:08:20,931 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-24 20:08:20,932 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-24 20:08:20,933 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-24 20:08:20,934 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-24 20:08:20,935 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-24 20:08:20,936 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-24 20:08:20,938 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-24 20:08:20,944 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-24 20:08:20,945 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-24 20:08:20,946 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-24 20:08:20,948 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-SemanticLbe.epf [2021-03-24 20:08:20,976 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-24 20:08:20,977 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-24 20:08:20,980 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-24 20:08:20,980 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-24 20:08:20,981 INFO L138 SettingsManager]: * Use SBE=true [2021-03-24 20:08:20,981 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-24 20:08:20,981 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-24 20:08:20,981 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-24 20:08:20,981 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-24 20:08:20,981 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-24 20:08:20,982 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-24 20:08:20,982 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-24 20:08:20,982 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-24 20:08:20,982 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-24 20:08:20,983 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-24 20:08:20,983 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-24 20:08:20,983 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-24 20:08:20,983 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-24 20:08:20,983 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-24 20:08:20,983 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-24 20:08:20,983 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-24 20:08:20,984 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-24 20:08:20,984 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-24 20:08:20,984 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-24 20:08:20,984 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-24 20:08:20,984 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-24 20:08:20,984 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-24 20:08:20,984 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-24 20:08:20,985 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-24 20:08:21,283 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-24 20:08:21,314 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-24 20:08:21,317 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-24 20:08:21,317 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-24 20:08:21,318 INFO L275 PluginConnector]: CDTParser initialized [2021-03-24 20:08:21,319 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-1_3-join.i [2021-03-24 20:08:21,386 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ab674913/53c0e5b0422c440daddff885c623b52d/FLAGaab5b8174 [2021-03-24 20:08:22,041 INFO L306 CDTParser]: Found 1 translation units. [2021-03-24 20:08:22,042 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_3-join.i [2021-03-24 20:08:22,061 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ab674913/53c0e5b0422c440daddff885c623b52d/FLAGaab5b8174 [2021-03-24 20:08:22,372 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ab674913/53c0e5b0422c440daddff885c623b52d [2021-03-24 20:08:22,375 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-24 20:08:22,377 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-24 20:08:22,379 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-24 20:08:22,379 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-24 20:08:22,383 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-24 20:08:22,383 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.03 08:08:22" (1/1) ... [2021-03-24 20:08:22,385 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71653a82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 08:08:22, skipping insertion in model container [2021-03-24 20:08:22,385 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.03 08:08:22" (1/1) ... [2021-03-24 20:08:22,390 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-24 20:08:22,442 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-24 20:08:23,170 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_3-join.i[76153,76166] [2021-03-24 20:08:23,185 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-24 20:08:23,195 INFO L203 MainTranslator]: Completed pre-run [2021-03-24 20:08:23,242 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_3-join.i[76153,76166] [2021-03-24 20:08:23,249 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-24 20:08:23,551 INFO L208 MainTranslator]: Completed translation [2021-03-24 20:08:23,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 08:08:23 WrapperNode [2021-03-24 20:08:23,557 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-24 20:08:23,558 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-24 20:08:23,558 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-24 20:08:23,559 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-24 20:08:23,565 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 08:08:23" (1/1) ... [2021-03-24 20:08:23,607 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 08:08:23" (1/1) ... [2021-03-24 20:08:23,632 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-24 20:08:23,632 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-24 20:08:23,633 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-24 20:08:23,633 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-24 20:08:23,641 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 08:08:23" (1/1) ... [2021-03-24 20:08:23,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 08:08:23" (1/1) ... [2021-03-24 20:08:23,645 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 08:08:23" (1/1) ... [2021-03-24 20:08:23,645 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 08:08:23" (1/1) ... [2021-03-24 20:08:23,657 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 08:08:23" (1/1) ... [2021-03-24 20:08:23,659 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 08:08:23" (1/1) ... [2021-03-24 20:08:23,663 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 08:08:23" (1/1) ... [2021-03-24 20:08:23,669 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-24 20:08:23,676 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-24 20:08:23,676 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-24 20:08:23,676 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-24 20:08:23,677 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 08:08:23" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-24 20:08:23,740 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-24 20:08:23,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-24 20:08:23,741 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-24 20:08:23,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-03-24 20:08:23,741 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-03-24 20:08:23,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-03-24 20:08:23,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-24 20:08:23,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-24 20:08:23,742 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-24 20:08:23,743 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-03-24 20:08:23,743 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-03-24 20:08:23,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-24 20:08:23,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-24 20:08:23,744 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-24 20:08:24,314 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-24 20:08:24,314 INFO L299 CfgBuilder]: Removed 16 assume(true) statements. [2021-03-24 20:08:24,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.03 08:08:24 BoogieIcfgContainer [2021-03-24 20:08:24,316 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-24 20:08:24,317 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-24 20:08:24,317 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-24 20:08:24,319 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-24 20:08:24,319 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.03 08:08:22" (1/3) ... [2021-03-24 20:08:24,320 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18ad651f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.03 08:08:24, skipping insertion in model container [2021-03-24 20:08:24,320 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 08:08:23" (2/3) ... [2021-03-24 20:08:24,320 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18ad651f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.03 08:08:24, skipping insertion in model container [2021-03-24 20:08:24,320 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.03 08:08:24" (3/3) ... [2021-03-24 20:08:24,321 INFO L111 eAbstractionObserver]: Analyzing ICFG race-1_3-join.i [2021-03-24 20:08:24,326 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-24 20:08:24,330 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2021-03-24 20:08:24,330 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-24 20:08:24,354 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 20:08:24,354 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 20:08:24,354 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 20:08:24,354 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 20:08:24,355 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 20:08:24,355 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 20:08:24,355 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 20:08:24,355 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 20:08:24,355 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 20:08:24,355 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 20:08:24,355 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 20:08:24,356 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 20:08:24,356 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 20:08:24,356 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 20:08:24,356 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 20:08:24,356 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 20:08:24,358 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 20:08:24,358 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 20:08:24,358 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 20:08:24,358 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 20:08:24,358 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 20:08:24,366 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-03-24 20:08:24,380 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-03-24 20:08:24,395 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-24 20:08:24,395 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-24 20:08:24,395 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-24 20:08:24,395 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-24 20:08:24,395 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-24 20:08:24,396 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-24 20:08:24,396 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-24 20:08:24,396 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-24 20:08:24,406 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 86 places, 87 transitions, 182 flow [2021-03-24 20:08:24,436 INFO L129 PetriNetUnfolder]: 4/101 cut-off events. [2021-03-24 20:08:24,436 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-24 20:08:24,438 INFO L84 FinitePrefix]: Finished finitePrefix Result has 106 conditions, 101 events. 4/101 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 150 event pairs, 0 based on Foata normal form. 0/90 useless extension candidates. Maximal degree in co-relation 61. Up to 3 conditions per place. [2021-03-24 20:08:24,438 INFO L82 GeneralOperation]: Start removeDead. Operand has 86 places, 87 transitions, 182 flow [2021-03-24 20:08:24,442 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 77 places, 76 transitions, 158 flow [2021-03-24 20:08:24,443 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-24 20:08:24,453 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 77 places, 76 transitions, 158 flow [2021-03-24 20:08:24,455 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 77 places, 76 transitions, 158 flow [2021-03-24 20:08:24,457 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 77 places, 76 transitions, 158 flow [2021-03-24 20:08:24,471 INFO L129 PetriNetUnfolder]: 2/86 cut-off events. [2021-03-24 20:08:24,471 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-24 20:08:24,476 INFO L84 FinitePrefix]: Finished finitePrefix Result has 91 conditions, 86 events. 2/86 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 94 event pairs, 0 based on Foata normal form. 0/79 useless extension candidates. Maximal degree in co-relation 56. Up to 2 conditions per place. [2021-03-24 20:08:24,478 INFO L142 LiptonReduction]: Number of co-enabled transitions 168 [2021-03-24 20:08:26,568 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 73 [2021-03-24 20:08:26,789 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 73 [2021-03-24 20:08:27,198 INFO L154 LiptonReduction]: Checked pairs total: 159 [2021-03-24 20:08:27,198 INFO L156 LiptonReduction]: Total number of compositions: 61 [2021-03-24 20:08:27,200 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2758 [2021-03-24 20:08:27,207 INFO L129 PetriNetUnfolder]: 1/6 cut-off events. [2021-03-24 20:08:27,207 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 20:08:27,207 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 20:08:27,208 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2021-03-24 20:08:27,208 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 20:08:27,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 20:08:27,212 INFO L82 PathProgramCache]: Analyzing trace with hash 9874551, now seen corresponding path program 1 times [2021-03-24 20:08:27,219 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 20:08:27,220 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808591755] [2021-03-24 20:08:27,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 20:08:27,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 20:08:27,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 20:08:27,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 20:08:27,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 20:08:27,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 20:08:27,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 20:08:27,457 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808591755] [2021-03-24 20:08:27,458 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 20:08:27,458 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-24 20:08:27,458 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522218631] [2021-03-24 20:08:27,466 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-24 20:08:27,466 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 20:08:27,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-24 20:08:27,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-24 20:08:27,481 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 148 [2021-03-24 20:08:27,485 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 27 places, 26 transitions, 58 flow. Second operand has 3 states, 3 states have (on average 113.66666666666667) internal successors, (341), 3 states have internal predecessors, (341), 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) [2021-03-24 20:08:27,485 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 20:08:27,486 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 148 [2021-03-24 20:08:27,487 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 20:08:27,518 INFO L129 PetriNetUnfolder]: 0/20 cut-off events. [2021-03-24 20:08:27,518 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-24 20:08:27,518 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34 conditions, 20 events. 0/20 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 19 event pairs, 0 based on Foata normal form. 3/20 useless extension candidates. Maximal degree in co-relation 0. Up to 5 conditions per place. [2021-03-24 20:08:27,520 INFO L132 encePairwiseOnDemand]: 138/148 looper letters, 1 selfloop transitions, 3 changer transitions 6/20 dead transitions. [2021-03-24 20:08:27,520 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 26 places, 20 transitions, 62 flow [2021-03-24 20:08:27,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-24 20:08:27,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-24 20:08:27,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 352 transitions. [2021-03-24 20:08:27,539 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7927927927927928 [2021-03-24 20:08:27,540 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 352 transitions. [2021-03-24 20:08:27,540 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 352 transitions. [2021-03-24 20:08:27,544 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 20:08:27,546 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 352 transitions. [2021-03-24 20:08:27,552 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 117.33333333333333) internal successors, (352), 3 states have internal predecessors, (352), 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) [2021-03-24 20:08:27,560 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 148.0) internal successors, (592), 4 states have internal predecessors, (592), 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) [2021-03-24 20:08:27,560 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 148.0) internal successors, (592), 4 states have internal predecessors, (592), 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) [2021-03-24 20:08:27,562 INFO L185 Difference]: Start difference. First operand has 27 places, 26 transitions, 58 flow. Second operand 3 states and 352 transitions. [2021-03-24 20:08:27,563 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 26 places, 20 transitions, 62 flow [2021-03-24 20:08:27,564 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 24 places, 20 transitions, 58 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-24 20:08:27,575 INFO L241 Difference]: Finished difference. Result has 24 places, 14 transitions, 35 flow [2021-03-24 20:08:27,577 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=148, PETRI_DIFFERENCE_MINUEND_FLOW=42, PETRI_DIFFERENCE_MINUEND_PLACES=22, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=20, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=35, PETRI_PLACES=24, PETRI_TRANSITIONS=14} [2021-03-24 20:08:27,578 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, -3 predicate places. [2021-03-24 20:08:27,578 INFO L480 AbstractCegarLoop]: Abstraction has has 24 places, 14 transitions, 35 flow [2021-03-24 20:08:27,578 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 113.66666666666667) internal successors, (341), 3 states have internal predecessors, (341), 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) [2021-03-24 20:08:27,578 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 20:08:27,578 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-03-24 20:08:27,579 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-24 20:08:27,579 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 20:08:27,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 20:08:27,579 INFO L82 PathProgramCache]: Analyzing trace with hash 2113502238, now seen corresponding path program 1 times [2021-03-24 20:08:27,580 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 20:08:27,580 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285118993] [2021-03-24 20:08:27,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 20:08:27,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 20:08:27,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 20:08:27,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 20:08:27,692 INFO L142 QuantifierPusher]: treesize reduction 11, result has 21.4 percent of original size [2021-03-24 20:08:27,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 20:08:27,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 20:08:27,696 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285118993] [2021-03-24 20:08:27,696 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 20:08:27,696 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-24 20:08:27,696 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446721951] [2021-03-24 20:08:27,697 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-24 20:08:27,697 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 20:08:27,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-24 20:08:27,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-24 20:08:27,699 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 148 [2021-03-24 20:08:27,700 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 24 places, 14 transitions, 35 flow. Second operand has 3 states, 3 states have (on average 107.33333333333333) internal successors, (322), 3 states have internal predecessors, (322), 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) [2021-03-24 20:08:27,700 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 20:08:27,700 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 148 [2021-03-24 20:08:27,700 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 20:08:27,712 INFO L129 PetriNetUnfolder]: 2/18 cut-off events. [2021-03-24 20:08:27,712 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-03-24 20:08:27,713 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35 conditions, 18 events. 2/18 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 16 event pairs, 2 based on Foata normal form. 1/19 useless extension candidates. Maximal degree in co-relation 18. Up to 10 conditions per place. [2021-03-24 20:08:27,713 INFO L132 encePairwiseOnDemand]: 146/148 looper letters, 5 selfloop transitions, 0 changer transitions 1/13 dead transitions. [2021-03-24 20:08:27,713 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 19 places, 13 transitions, 43 flow [2021-03-24 20:08:27,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-24 20:08:27,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-24 20:08:27,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 325 transitions. [2021-03-24 20:08:27,715 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7319819819819819 [2021-03-24 20:08:27,715 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 325 transitions. [2021-03-24 20:08:27,715 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 325 transitions. [2021-03-24 20:08:27,715 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 20:08:27,716 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 325 transitions. [2021-03-24 20:08:27,716 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 108.33333333333333) internal successors, (325), 3 states have internal predecessors, (325), 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) [2021-03-24 20:08:27,718 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 148.0) internal successors, (592), 4 states have internal predecessors, (592), 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) [2021-03-24 20:08:27,718 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 148.0) internal successors, (592), 4 states have internal predecessors, (592), 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) [2021-03-24 20:08:27,718 INFO L185 Difference]: Start difference. First operand has 24 places, 14 transitions, 35 flow. Second operand 3 states and 325 transitions. [2021-03-24 20:08:27,719 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 19 places, 13 transitions, 43 flow [2021-03-24 20:08:27,719 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 17 places, 13 transitions, 39 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-24 20:08:27,719 INFO L241 Difference]: Finished difference. Result has 17 places, 12 transitions, 25 flow [2021-03-24 20:08:27,719 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=148, PETRI_DIFFERENCE_MINUEND_FLOW=27, PETRI_DIFFERENCE_MINUEND_PLACES=15, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=13, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=25, PETRI_PLACES=17, PETRI_TRANSITIONS=12} [2021-03-24 20:08:27,720 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, -10 predicate places. [2021-03-24 20:08:27,720 INFO L480 AbstractCegarLoop]: Abstraction has has 17 places, 12 transitions, 25 flow [2021-03-24 20:08:27,720 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 107.33333333333333) internal successors, (322), 3 states have internal predecessors, (322), 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) [2021-03-24 20:08:27,720 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 20:08:27,721 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 20:08:27,721 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-24 20:08:27,721 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 20:08:27,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 20:08:27,721 INFO L82 PathProgramCache]: Analyzing trace with hash -871354418, now seen corresponding path program 1 times [2021-03-24 20:08:27,722 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 20:08:27,722 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643711163] [2021-03-24 20:08:27,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 20:08:27,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 20:08:27,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 20:08:27,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 20:08:27,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 20:08:27,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 20:08:27,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 20:08:27,791 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643711163] [2021-03-24 20:08:27,791 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 20:08:27,791 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-24 20:08:27,791 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550580753] [2021-03-24 20:08:27,791 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-24 20:08:27,792 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 20:08:27,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-24 20:08:27,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-24 20:08:27,793 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 148 [2021-03-24 20:08:27,794 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 17 places, 12 transitions, 25 flow. Second operand has 3 states, 3 states have (on average 107.33333333333333) internal successors, (322), 3 states have internal predecessors, (322), 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) [2021-03-24 20:08:27,794 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 20:08:27,794 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 148 [2021-03-24 20:08:27,794 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 20:08:27,804 INFO L129 PetriNetUnfolder]: 0/15 cut-off events. [2021-03-24 20:08:27,804 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 20:08:27,804 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26 conditions, 15 events. 0/15 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 8 event pairs, 0 based on Foata normal form. 2/17 useless extension candidates. Maximal degree in co-relation 0. Up to 6 conditions per place. [2021-03-24 20:08:27,804 INFO L132 encePairwiseOnDemand]: 145/148 looper letters, 3 selfloop transitions, 2 changer transitions 1/13 dead transitions. [2021-03-24 20:08:27,804 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 17 places, 13 transitions, 39 flow [2021-03-24 20:08:27,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-24 20:08:27,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-24 20:08:27,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 325 transitions. [2021-03-24 20:08:27,806 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7319819819819819 [2021-03-24 20:08:27,806 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 325 transitions. [2021-03-24 20:08:27,806 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 325 transitions. [2021-03-24 20:08:27,807 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 20:08:27,807 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 325 transitions. [2021-03-24 20:08:27,808 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 108.33333333333333) internal successors, (325), 3 states have internal predecessors, (325), 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) [2021-03-24 20:08:27,809 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 148.0) internal successors, (592), 4 states have internal predecessors, (592), 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) [2021-03-24 20:08:27,809 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 148.0) internal successors, (592), 4 states have internal predecessors, (592), 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) [2021-03-24 20:08:27,809 INFO L185 Difference]: Start difference. First operand has 17 places, 12 transitions, 25 flow. Second operand 3 states and 325 transitions. [2021-03-24 20:08:27,809 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 17 places, 13 transitions, 39 flow [2021-03-24 20:08:27,810 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 17 places, 13 transitions, 39 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-24 20:08:27,810 INFO L241 Difference]: Finished difference. Result has 18 places, 12 transitions, 33 flow [2021-03-24 20:08:27,810 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=148, PETRI_DIFFERENCE_MINUEND_FLOW=25, PETRI_DIFFERENCE_MINUEND_PLACES=15, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=12, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=10, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=33, PETRI_PLACES=18, PETRI_TRANSITIONS=12} [2021-03-24 20:08:27,810 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, -9 predicate places. [2021-03-24 20:08:27,810 INFO L480 AbstractCegarLoop]: Abstraction has has 18 places, 12 transitions, 33 flow [2021-03-24 20:08:27,811 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 107.33333333333333) internal successors, (322), 3 states have internal predecessors, (322), 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) [2021-03-24 20:08:27,811 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 20:08:27,811 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 20:08:27,811 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-24 20:08:27,811 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 20:08:27,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 20:08:27,812 INFO L82 PathProgramCache]: Analyzing trace with hash -1242180622, now seen corresponding path program 1 times [2021-03-24 20:08:27,812 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 20:08:27,812 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725577341] [2021-03-24 20:08:27,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 20:08:27,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-24 20:08:27,842 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-24 20:08:27,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-24 20:08:27,870 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-24 20:08:27,901 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-24 20:08:27,902 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-24 20:08:27,902 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-24 20:08:27,943 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.03 08:08:27 BasicIcfg [2021-03-24 20:08:27,943 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-24 20:08:27,944 INFO L168 Benchmark]: Toolchain (without parser) took 5566.94 ms. Allocated memory was 255.9 MB in the beginning and 457.2 MB in the end (delta: 201.3 MB). Free memory was 232.6 MB in the beginning and 327.1 MB in the end (delta: -94.6 MB). Peak memory consumption was 106.3 MB. Max. memory is 16.0 GB. [2021-03-24 20:08:27,945 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 255.9 MB. Free memory is still 237.8 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-24 20:08:27,946 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1177.80 ms. Allocated memory was 255.9 MB in the beginning and 356.5 MB in the end (delta: 100.7 MB). Free memory was 232.6 MB in the beginning and 334.5 MB in the end (delta: -101.9 MB). Peak memory consumption was 65.4 MB. Max. memory is 16.0 GB. [2021-03-24 20:08:27,951 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.25 ms. Allocated memory is still 356.5 MB. Free memory was 334.5 MB in the beginning and 331.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-24 20:08:27,952 INFO L168 Benchmark]: Boogie Preprocessor took 37.23 ms. Allocated memory is still 356.5 MB. Free memory was 331.3 MB in the beginning and 329.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-24 20:08:27,955 INFO L168 Benchmark]: RCFGBuilder took 639.92 ms. Allocated memory is still 356.5 MB. Free memory was 329.2 MB in the beginning and 288.3 MB in the end (delta: 40.9 MB). Peak memory consumption was 41.9 MB. Max. memory is 16.0 GB. [2021-03-24 20:08:27,960 INFO L168 Benchmark]: TraceAbstraction took 3626.36 ms. Allocated memory was 356.5 MB in the beginning and 457.2 MB in the end (delta: 100.7 MB). Free memory was 287.3 MB in the beginning and 327.1 MB in the end (delta: -39.8 MB). Peak memory consumption was 61.9 MB. Max. memory is 16.0 GB. [2021-03-24 20:08:27,965 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 255.9 MB. Free memory is still 237.8 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 1177.80 ms. Allocated memory was 255.9 MB in the beginning and 356.5 MB in the end (delta: 100.7 MB). Free memory was 232.6 MB in the beginning and 334.5 MB in the end (delta: -101.9 MB). Peak memory consumption was 65.4 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 74.25 ms. Allocated memory is still 356.5 MB. Free memory was 334.5 MB in the beginning and 331.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 37.23 ms. Allocated memory is still 356.5 MB. Free memory was 331.3 MB in the beginning and 329.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 639.92 ms. Allocated memory is still 356.5 MB. Free memory was 329.2 MB in the beginning and 288.3 MB in the end (delta: 40.9 MB). Peak memory consumption was 41.9 MB. Max. memory is 16.0 GB. * TraceAbstraction took 3626.36 ms. Allocated memory was 356.5 MB in the beginning and 457.2 MB in the end (delta: 100.7 MB). Free memory was 287.3 MB in the beginning and 327.1 MB in the end (delta: -39.8 MB). Peak memory consumption was 61.9 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2743.2ms, 77 PlacesBefore, 27 PlacesAfterwards, 76 TransitionsBefore, 26 TransitionsAfterwards, 168 CoEnabledTransitionPairs, 6 FixpointIterations, 41 TrivialSequentialCompositions, 13 ConcurrentSequentialCompositions, 5 TrivialYvCompositions, 2 ConcurrentYvCompositions, 0 ChoiceCompositions, 61 TotalNumberOfCompositions, 159 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 147, positive: 133, positive conditional: 0, positive unconditional: 133, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 113, positive: 105, positive conditional: 0, positive unconditional: 105, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 113, positive: 105, positive conditional: 0, positive unconditional: 105, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 113, positive: 104, positive conditional: 0, positive unconditional: 104, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 9, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 44, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 147, positive: 28, positive conditional: 0, positive unconditional: 28, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 113, unknown conditional: 0, unknown unconditional: 113] , Statistics on independence cache: Total cache size (in pairs): 4, Positive cache size: 2, Positive conditional cache size: 0, Positive unconditional cache size: 2, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2 - CounterExampleResult [Line: 1695]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L1696] 0 pthread_t t1; [L1697] 0 pthread_mutex_t mutex; [L1698] 0 int pdev; VAL [mutex={9:0}, pdev=0, t1={5:0}] [L1709] 0 pdev = 1 [L1695] COND FALSE 0 !(!expression) [L1711] COND TRUE 0 __VERIFIER_nondet_int() [L1712] FCALL, FORK 0 pthread_create(&t1, ((void *)0), thread1, ((void *)0)) VAL [arg={0:0}, mutex={9:0}, pdev=1, t1={5:0}] [L1713] 0 return 0; [L1734] COND FALSE 0 !(module_init()!=0) VAL [arg={0:0}, mutex={9:0}, pdev=1, t1={5:0}] [L1721] 0 void *status; [L1723] 0 pdev = 4 VAL [arg={0:0}, mutex={9:0}, pdev=4, t1={5:0}] [L1702] 1 pdev = 6 VAL [arg={0:0}, arg={0:0}, mutex={9:0}, pdev=6, t1={5:0}] [L1695] COND TRUE 0 !expression [L1695] 0 reach_error() VAL [arg={0:0}, arg={0:0}, mutex={9:0}, pdev=6, t1={5:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 83 locations, 4 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 1.7ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 3510.9ms, OverallIterations: 4, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 144.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 2809.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 19 SDtfs, 1 SDslu, 0 SDs, 0 SdLazy, 15 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 17.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=58occurred in iteration=0, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 9.1ms SsaConstructionTime, 80.2ms SatisfiabilityAnalysisTime, 218.3ms InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 25 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 RESULT: Ultimate proved your program to be incorrect! Received shutdown request...