/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf -i ../../../trunk/examples/svcomp/pthread-ext/28_buggy_simple_loop1_vf.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-1d1d2b5 [2020-10-21 22:46:53,867 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-21 22:46:53,870 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-21 22:46:53,895 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-21 22:46:53,895 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-21 22:46:53,896 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-21 22:46:53,897 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-21 22:46:53,899 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-21 22:46:53,901 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-21 22:46:53,901 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-21 22:46:53,902 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-21 22:46:53,903 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-21 22:46:53,904 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-21 22:46:53,905 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-21 22:46:53,906 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-21 22:46:53,907 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-21 22:46:53,907 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-21 22:46:53,908 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-21 22:46:53,910 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-21 22:46:53,912 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-21 22:46:53,913 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-21 22:46:53,914 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-21 22:46:53,915 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-21 22:46:53,916 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-21 22:46:53,919 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-21 22:46:53,922 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-21 22:46:53,922 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-21 22:46:53,923 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-21 22:46:53,924 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-21 22:46:53,925 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-21 22:46:53,925 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-21 22:46:53,926 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-21 22:46:53,926 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-21 22:46:53,926 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-21 22:46:53,927 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-21 22:46:53,927 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-21 22:46:53,928 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf [2020-10-21 22:46:53,951 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-21 22:46:53,952 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-21 22:46:53,953 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-21 22:46:53,953 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-21 22:46:53,953 INFO L138 SettingsManager]: * Use SBE=true [2020-10-21 22:46:53,954 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-21 22:46:53,954 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-21 22:46:53,954 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-21 22:46:53,954 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-21 22:46:53,954 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-21 22:46:53,955 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-21 22:46:53,955 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-21 22:46:53,957 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-21 22:46:53,957 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-21 22:46:53,957 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-21 22:46:53,958 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-21 22:46:53,958 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-21 22:46:53,958 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-21 22:46:53,958 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-21 22:46:53,959 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-21 22:46:53,959 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-21 22:46:53,959 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-21 22:46:53,959 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-21 22:46:53,959 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-21 22:46:53,959 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-21 22:46:53,960 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-21 22:46:53,960 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-21 22:46:53,965 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-21 22:46:53,965 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-21 22:46:54,281 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-21 22:46:54,294 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-21 22:46:54,298 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-21 22:46:54,299 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-21 22:46:54,300 INFO L275 PluginConnector]: CDTParser initialized [2020-10-21 22:46:54,301 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/28_buggy_simple_loop1_vf.i [2020-10-21 22:46:54,373 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4064d912e/9614842db6d64ceeb03452eec0e6e483/FLAG7faaa671c [2020-10-21 22:46:54,928 INFO L306 CDTParser]: Found 1 translation units. [2020-10-21 22:46:54,929 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/28_buggy_simple_loop1_vf.i [2020-10-21 22:46:54,950 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4064d912e/9614842db6d64ceeb03452eec0e6e483/FLAG7faaa671c [2020-10-21 22:46:55,144 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4064d912e/9614842db6d64ceeb03452eec0e6e483 [2020-10-21 22:46:55,153 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-21 22:46:55,162 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-21 22:46:55,167 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-21 22:46:55,167 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-21 22:46:55,171 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-21 22:46:55,172 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 10:46:55" (1/1) ... [2020-10-21 22:46:55,176 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49b4855d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:46:55, skipping insertion in model container [2020-10-21 22:46:55,176 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 10:46:55" (1/1) ... [2020-10-21 22:46:55,186 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-21 22:46:55,245 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-21 22:46:55,721 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-21 22:46:55,732 INFO L203 MainTranslator]: Completed pre-run [2020-10-21 22:46:55,778 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-21 22:46:55,855 INFO L208 MainTranslator]: Completed translation [2020-10-21 22:46:55,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:46:55 WrapperNode [2020-10-21 22:46:55,855 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-21 22:46:55,856 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-21 22:46:55,856 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-21 22:46:55,857 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-21 22:46:55,866 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:46:55" (1/1) ... [2020-10-21 22:46:55,882 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:46:55" (1/1) ... [2020-10-21 22:46:55,907 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-21 22:46:55,908 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-21 22:46:55,908 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-21 22:46:55,908 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-21 22:46:55,918 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:46:55" (1/1) ... [2020-10-21 22:46:55,919 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:46:55" (1/1) ... [2020-10-21 22:46:55,921 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:46:55" (1/1) ... [2020-10-21 22:46:55,922 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:46:55" (1/1) ... [2020-10-21 22:46:55,927 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:46:55" (1/1) ... [2020-10-21 22:46:55,936 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:46:55" (1/1) ... [2020-10-21 22:46:55,938 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:46:55" (1/1) ... [2020-10-21 22:46:55,941 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-21 22:46:55,941 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-21 22:46:55,941 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-21 22:46:55,941 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-21 22:46:55,942 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:46:55" (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 [2020-10-21 22:46:56,023 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-10-21 22:46:56,024 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-10-21 22:46:56,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-21 22:46:56,024 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-21 22:46:56,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-21 22:46:56,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-21 22:46:56,025 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-21 22:46:56,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-21 22:46:56,027 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-21 22:46:56,399 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-21 22:46:56,399 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-21 22:46:56,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 10:46:56 BoogieIcfgContainer [2020-10-21 22:46:56,402 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-21 22:46:56,403 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-21 22:46:56,403 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-21 22:46:56,407 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-21 22:46:56,407 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 10:46:55" (1/3) ... [2020-10-21 22:46:56,408 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d91eade and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 10:46:56, skipping insertion in model container [2020-10-21 22:46:56,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:46:55" (2/3) ... [2020-10-21 22:46:56,409 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d91eade and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 10:46:56, skipping insertion in model container [2020-10-21 22:46:56,409 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 10:46:56" (3/3) ... [2020-10-21 22:46:56,411 INFO L111 eAbstractionObserver]: Analyzing ICFG 28_buggy_simple_loop1_vf.i [2020-10-21 22:46:56,423 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-21 22:46:56,423 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-21 22:46:56,430 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-21 22:46:56,431 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-21 22:46:56,459 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:46:56,459 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:46:56,459 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:46:56,460 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:46:56,460 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:46:56,461 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:46:56,461 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:46:56,461 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:46:56,461 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:46:56,462 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:46:56,462 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:46:56,462 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:46:56,463 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:46:56,463 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:46:56,463 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:46:56,463 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:46:56,464 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:46:56,464 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:46:56,464 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:46:56,465 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:46:56,465 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:46:56,465 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:46:56,465 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:46:56,466 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:46:56,466 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:46:56,466 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:46:56,466 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:46:56,467 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:46:56,467 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:46:56,467 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:46:56,468 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:46:56,468 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:46:56,468 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:46:56,468 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:46:56,469 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:46:56,469 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:46:56,469 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:46:56,469 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:46:56,470 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:46:56,470 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:46:56,470 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:46:56,471 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:46:56,471 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:46:56,471 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:46:56,472 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:46:56,472 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:46:56,472 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:46:56,472 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:46:56,473 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:46:56,473 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:46:56,473 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:46:56,474 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:46:56,474 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:46:56,474 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:46:56,474 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:46:56,475 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:46:56,475 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:46:56,475 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:46:56,475 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:46:56,476 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:46:56,476 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:46:56,476 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:46:56,476 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:46:56,477 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:46:56,477 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:46:56,477 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:46:56,477 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:46:56,478 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:46:56,478 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:46:56,478 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:46:56,482 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:46:56,482 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:46:56,483 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:46:56,483 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:46:56,483 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:46:56,483 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:46:56,484 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:46:56,484 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:46:56,484 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:46:56,484 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:46:56,485 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:46:56,485 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:46:56,485 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:46:56,485 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:46:56,485 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:46:56,486 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:46:56,486 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:46:56,486 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:46:56,494 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-21 22:46:56,508 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-21 22:46:56,530 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-21 22:46:56,530 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-21 22:46:56,531 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-21 22:46:56,531 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-21 22:46:56,531 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-21 22:46:56,531 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-21 22:46:56,531 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-21 22:46:56,531 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-21 22:46:56,545 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-21 22:46:56,546 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 58 places, 65 transitions, 135 flow [2020-10-21 22:46:56,548 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 58 places, 65 transitions, 135 flow [2020-10-21 22:46:56,550 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 58 places, 65 transitions, 135 flow [2020-10-21 22:46:56,591 INFO L129 PetriNetUnfolder]: 11/73 cut-off events. [2020-10-21 22:46:56,591 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-21 22:46:56,597 INFO L80 FinitePrefix]: Finished finitePrefix Result has 78 conditions, 73 events. 11/73 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 99 event pairs, 0 based on Foata normal form. 0/59 useless extension candidates. Maximal degree in co-relation 53. Up to 4 conditions per place. [2020-10-21 22:46:56,600 INFO L116 LiptonReduction]: Number of co-enabled transitions 880 [2020-10-21 22:46:57,967 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2020-10-21 22:46:58,204 INFO L131 LiptonReduction]: Checked pairs total: 667 [2020-10-21 22:46:58,204 INFO L133 LiptonReduction]: Total number of compositions: 57 [2020-10-21 22:46:58,211 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 15 places, 17 transitions, 39 flow [2020-10-21 22:46:58,222 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 39 states. [2020-10-21 22:46:58,224 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states. [2020-10-21 22:46:58,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-10-21 22:46:58,231 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:46:58,232 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-10-21 22:46:58,232 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-21 22:46:58,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:46:58,238 INFO L82 PathProgramCache]: Analyzing trace with hash 468353290, now seen corresponding path program 1 times [2020-10-21 22:46:58,247 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:46:58,247 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756040059] [2020-10-21 22:46:58,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:46:58,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-21 22:46:58,399 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-21 22:46:58,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-21 22:46:58,437 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-21 22:46:58,462 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-21 22:46:58,462 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-21 22:46:58,463 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-21 22:46:58,464 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-21 22:46:58,469 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [253] [253] L688-6-->L688-7: Formula: (not (< (mod thr1Thread1of1ForFork0_~i~0_In1848556868 4294967296) (mod thr1Thread1of1ForFork0_~x~0_In1848556868 4294967296))) InVars {thr1Thread1of1ForFork0_~i~0=thr1Thread1of1ForFork0_~i~0_In1848556868, thr1Thread1of1ForFork0_~x~0=thr1Thread1of1ForFork0_~x~0_In1848556868} OutVars{thr1Thread1of1ForFork0_~i~0=thr1Thread1of1ForFork0_~i~0_In1848556868, thr1Thread1of1ForFork0_~x~0=thr1Thread1of1ForFork0_~x~0_In1848556868} AuxVars[] AssignedVars[] because there is no mapped edge [2020-10-21 22:46:58,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 10:46:58 BasicIcfg [2020-10-21 22:46:58,486 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-21 22:46:58,489 INFO L168 Benchmark]: Toolchain (without parser) took 3333.83 ms. Allocated memory was 139.5 MB in the beginning and 246.9 MB in the end (delta: 107.5 MB). Free memory was 101.2 MB in the beginning and 201.6 MB in the end (delta: -100.4 MB). Peak memory consumption was 7.1 MB. Max. memory is 7.1 GB. [2020-10-21 22:46:58,490 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 139.5 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-21 22:46:58,491 INFO L168 Benchmark]: CACSL2BoogieTranslator took 689.16 ms. Allocated memory was 139.5 MB in the beginning and 201.9 MB in the end (delta: 62.4 MB). Free memory was 100.3 MB in the beginning and 158.0 MB in the end (delta: -57.7 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. [2020-10-21 22:46:58,492 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.18 ms. Allocated memory is still 201.9 MB. Free memory was 158.0 MB in the beginning and 156.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-10-21 22:46:58,493 INFO L168 Benchmark]: Boogie Preprocessor took 33.01 ms. Allocated memory is still 201.9 MB. Free memory was 156.0 MB in the beginning and 154.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2020-10-21 22:46:58,493 INFO L168 Benchmark]: RCFGBuilder took 460.60 ms. Allocated memory is still 201.9 MB. Free memory was 154.6 MB in the beginning and 132.7 MB in the end (delta: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 7.1 GB. [2020-10-21 22:46:58,494 INFO L168 Benchmark]: TraceAbstraction took 2083.45 ms. Allocated memory was 201.9 MB in the beginning and 246.9 MB in the end (delta: 45.1 MB). Free memory was 132.7 MB in the beginning and 201.6 MB in the end (delta: -68.9 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-21 22:46:58,499 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 139.5 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 689.16 ms. Allocated memory was 139.5 MB in the beginning and 201.9 MB in the end (delta: 62.4 MB). Free memory was 100.3 MB in the beginning and 158.0 MB in the end (delta: -57.7 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 51.18 ms. Allocated memory is still 201.9 MB. Free memory was 158.0 MB in the beginning and 156.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 33.01 ms. Allocated memory is still 201.9 MB. Free memory was 156.0 MB in the beginning and 154.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 460.60 ms. Allocated memory is still 201.9 MB. Free memory was 154.6 MB in the beginning and 132.7 MB in the end (delta: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2083.45 ms. Allocated memory was 201.9 MB in the beginning and 246.9 MB in the end (delta: 45.1 MB). Free memory was 132.7 MB in the beginning and 201.6 MB in the end (delta: -68.9 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 425 VarBasedMoverChecksPositive, 0 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 11 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.6s, 58 PlacesBefore, 15 PlacesAfterwards, 65 TransitionsBefore, 17 TransitionsAfterwards, 880 CoEnabledTransitionPairs, 5 FixpointIterations, 9 TrivialSequentialCompositions, 31 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 12 ConcurrentYvCompositions, 5 ChoiceCompositions, 57 TotalNumberOfCompositions, 667 MoverChecksTotal - CounterExampleResult [Line: 12]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L700] 0 pthread_t t; [L701] COND TRUE 0 1 [L703] FCALL, FORK 0 pthread_create(&t, 0, thr1, 0) [L686] 1 unsigned int x=__VERIFIER_nondet_uint(), y=__VERIFIER_nondet_uint(), z=__VERIFIER_nondet_uint(); [L686] 1 unsigned int x=__VERIFIER_nondet_uint(), y=__VERIFIER_nondet_uint(), z=__VERIFIER_nondet_uint(); [L686] 1 unsigned int x=__VERIFIER_nondet_uint(), y=__VERIFIER_nondet_uint(), z=__VERIFIER_nondet_uint(); [L687] 1 int i, j=1, k=1; [L688] 1 i=0 [L695] COND TRUE 1 !(i == x && ( j == y || y <= x+1) && (x == 0 || y <= x+1 || k == z || z < y)) [L12] COND FALSE 1 !(0) [L12] 1 __assert_fail ("0", "28_buggy_simple_loop1_vf.c", 3, __extension__ __PRETTY_FUNCTION__) - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 55 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.9s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.6s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=39occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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...