/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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread-lit/fkp2013_variant-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-fae578e [2019-12-18 15:16:17,023 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-18 15:16:17,026 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-18 15:16:17,045 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-12-18 15:16:17,069 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-18 15:16:17,071 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-18 15:16:17,074 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-18 15:16:17,075 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-18 15:16:17,077 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-18 15:16:17,077 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-18 15:16:17,078 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-18 15:16:17,082 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-18 15:16:17,083 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-18 15:16:17,084 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-18 15:16:17,086 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-18 15:16:17,086 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-18 15:16:17,088 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-12-18 15:16:17,097 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-18 15:16:17,098 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-18 15:16:17,098 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-18 15:16:17,099 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-18 15:16:17,113 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-18 15:16:17,113 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-18 15:16:17,115 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-18 15:16:17,115 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-18 15:16:17,115 INFO L138 SettingsManager]: * Use SBE=true [2019-12-18 15:16:17,115 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-18 15:16:17,115 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-18 15:16:17,116 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-18 15:16:17,116 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-18 15:16:17,116 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-18 15:16:17,116 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-18 15:16:17,116 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-18 15:16:17,117 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-18 15:16:17,117 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-18 15:16:17,117 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-18 15:16:17,117 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-18 15:16:17,117 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-18 15:16:17,118 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-18 15:16:17,118 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-18 15:16:17,118 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-18 15:16:17,118 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-18 15:16:17,118 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-18 15:16:17,119 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-18 15:16:17,119 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-18 15:16:17,119 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-18 15:16:17,119 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-18 15:16:17,119 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-18 15:16:17,120 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-18 15:16:17,120 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-18 15:16:17,120 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-18 15:16:17,411 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-18 15:16:17,425 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-18 15:16:17,428 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-18 15:16:17,430 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-18 15:16:17,430 INFO L275 PluginConnector]: CDTParser initialized [2019-12-18 15:16:17,431 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-lit/fkp2013_variant-2.i [2019-12-18 15:16:17,493 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d075fbf1/453ea56590764248bc97ac18027f8474/FLAG55f3e55a8 [2019-12-18 15:16:18,013 INFO L306 CDTParser]: Found 1 translation units. [2019-12-18 15:16:18,014 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-lit/fkp2013_variant-2.i [2019-12-18 15:16:18,034 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d075fbf1/453ea56590764248bc97ac18027f8474/FLAG55f3e55a8 [2019-12-18 15:16:18,326 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d075fbf1/453ea56590764248bc97ac18027f8474 [2019-12-18 15:16:18,335 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-18 15:16:18,337 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-18 15:16:18,338 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-18 15:16:18,338 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-18 15:16:18,344 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-18 15:16:18,345 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 03:16:18" (1/1) ... [2019-12-18 15:16:18,348 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f57737c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:16:18, skipping insertion in model container [2019-12-18 15:16:18,348 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 03:16:18" (1/1) ... [2019-12-18 15:16:18,354 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-18 15:16:18,416 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-18 15:16:18,921 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-18 15:16:18,932 INFO L203 MainTranslator]: Completed pre-run [2019-12-18 15:16:18,972 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-18 15:16:19,043 INFO L208 MainTranslator]: Completed translation [2019-12-18 15:16:19,044 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:16:19 WrapperNode [2019-12-18 15:16:19,044 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-18 15:16:19,045 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-18 15:16:19,045 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-18 15:16:19,045 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-18 15:16:19,054 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:16:19" (1/1) ... [2019-12-18 15:16:19,070 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:16:19" (1/1) ... [2019-12-18 15:16:19,094 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-18 15:16:19,094 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-18 15:16:19,094 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-18 15:16:19,094 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-18 15:16:19,104 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:16:19" (1/1) ... [2019-12-18 15:16:19,104 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:16:19" (1/1) ... [2019-12-18 15:16:19,107 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:16:19" (1/1) ... [2019-12-18 15:16:19,108 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:16:19" (1/1) ... [2019-12-18 15:16:19,113 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:16:19" (1/1) ... [2019-12-18 15:16:19,118 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:16:19" (1/1) ... [2019-12-18 15:16:19,120 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:16:19" (1/1) ... [2019-12-18 15:16:19,123 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-18 15:16:19,123 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-18 15:16:19,123 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-18 15:16:19,123 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-18 15:16:19,124 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:16:19" (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 [2019-12-18 15:16:19,189 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2019-12-18 15:16:19,189 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2019-12-18 15:16:19,189 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2019-12-18 15:16:19,189 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2019-12-18 15:16:19,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-18 15:16:19,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-18 15:16:19,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-18 15:16:19,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-18 15:16:19,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-18 15:16:19,192 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-18 15:16:19,553 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-18 15:16:19,555 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-18 15:16:19,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 03:16:19 BoogieIcfgContainer [2019-12-18 15:16:19,557 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-18 15:16:19,558 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-18 15:16:19,558 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-18 15:16:19,560 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-18 15:16:19,561 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 03:16:18" (1/3) ... [2019-12-18 15:16:19,562 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@132ee680 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 03:16:19, skipping insertion in model container [2019-12-18 15:16:19,562 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 03:16:19" (2/3) ... [2019-12-18 15:16:19,562 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@132ee680 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 03:16:19, skipping insertion in model container [2019-12-18 15:16:19,563 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 03:16:19" (3/3) ... [2019-12-18 15:16:19,564 INFO L109 eAbstractionObserver]: Analyzing ICFG fkp2013_variant-2.i [2019-12-18 15:16:19,575 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-18 15:16:19,575 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-18 15:16:19,583 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-18 15:16:19,583 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-18 15:16:19,607 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:16:19,608 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:16:19,608 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:16:19,608 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:16:19,609 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:16:19,609 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:16:19,609 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:16:19,610 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:16:19,610 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:16:19,611 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:16:19,611 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:16:19,612 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:16:19,612 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:16:19,612 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:16:19,612 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:16:19,613 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:16:19,613 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:16:19,613 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:16:19,613 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:16:19,614 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:16:19,614 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:16:19,617 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:16:19,618 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:16:19,618 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:16:19,619 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:16:19,619 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:16:19,623 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:16:19,623 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:16:19,624 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:16:19,624 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:16:19,624 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:16:19,624 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 15:16:19,637 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-12-18 15:16:19,653 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-18 15:16:19,653 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-18 15:16:19,653 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-18 15:16:19,653 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-18 15:16:19,653 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-18 15:16:19,654 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-18 15:16:19,654 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-18 15:16:19,654 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-18 15:16:19,667 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 60 places, 56 transitions [2019-12-18 15:16:19,669 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 60 places, 56 transitions [2019-12-18 15:16:19,713 INFO L126 PetriNetUnfolder]: 3/66 cut-off events. [2019-12-18 15:16:19,713 INFO L127 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-18 15:16:19,722 INFO L76 FinitePrefix]: Finished finitePrefix Result has 74 conditions, 66 events. 3/66 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 98 event pairs. 8/68 useless extension candidates. Maximal degree in co-relation 49. Up to 4 conditions per place. [2019-12-18 15:16:19,726 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 60 places, 56 transitions [2019-12-18 15:16:19,748 INFO L126 PetriNetUnfolder]: 3/66 cut-off events. [2019-12-18 15:16:19,748 INFO L127 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-18 15:16:19,750 INFO L76 FinitePrefix]: Finished finitePrefix Result has 74 conditions, 66 events. 3/66 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 98 event pairs. 8/68 useless extension candidates. Maximal degree in co-relation 49. Up to 4 conditions per place. [2019-12-18 15:16:19,753 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 692 [2019-12-18 15:16:19,754 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-18 15:16:21,091 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 62 [2019-12-18 15:16:21,321 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2019-12-18 15:16:21,400 INFO L206 etLargeBlockEncoding]: Checked pairs total: 524 [2019-12-18 15:16:21,400 INFO L214 etLargeBlockEncoding]: Total number of compositions: 47 [2019-12-18 15:16:21,405 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 15 places, 12 transitions [2019-12-18 15:16:21,416 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 44 states. [2019-12-18 15:16:21,420 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states. [2019-12-18 15:16:21,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-12-18 15:16:21,427 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 15:16:21,428 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-12-18 15:16:21,429 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-18 15:16:21,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 15:16:21,438 INFO L82 PathProgramCache]: Analyzing trace with hash 219913, now seen corresponding path program 1 times [2019-12-18 15:16:21,450 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 15:16:21,451 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252494841] [2019-12-18 15:16:21,451 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 15:16:21,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 15:16:21,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 15:16:21,669 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252494841] [2019-12-18 15:16:21,670 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 15:16:21,671 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-18 15:16:21,672 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503948162] [2019-12-18 15:16:21,678 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 15:16:21,679 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 15:16:21,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 15:16:21,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 15:16:21,698 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 3 states. [2019-12-18 15:16:21,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 15:16:21,737 INFO L93 Difference]: Finished difference Result 40 states and 63 transitions. [2019-12-18 15:16:21,738 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 15:16:21,739 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2019-12-18 15:16:21,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 15:16:21,751 INFO L225 Difference]: With dead ends: 40 [2019-12-18 15:16:21,751 INFO L226 Difference]: Without dead ends: 35 [2019-12-18 15:16:21,752 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 15:16:21,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-12-18 15:16:21,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 31. [2019-12-18 15:16:21,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2019-12-18 15:16:21,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 51 transitions. [2019-12-18 15:16:21,790 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 51 transitions. Word has length 3 [2019-12-18 15:16:21,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 15:16:21,791 INFO L462 AbstractCegarLoop]: Abstraction has 31 states and 51 transitions. [2019-12-18 15:16:21,791 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 15:16:21,791 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 51 transitions. [2019-12-18 15:16:21,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-18 15:16:21,792 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 15:16:21,792 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-18 15:16:21,792 INFO L410 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-18 15:16:21,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 15:16:21,793 INFO L82 PathProgramCache]: Analyzing trace with hash 1212750904, now seen corresponding path program 1 times [2019-12-18 15:16:21,793 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 15:16:21,793 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232835440] [2019-12-18 15:16:21,794 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 15:16:21,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-18 15:16:21,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-18 15:16:21,938 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-18 15:16:21,938 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-18 15:16:21,945 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [193] [193] ULTIMATE.startENTRY-->L701-1: Formula: (let ((.cse1 (store |v_#valid_39| 0 0))) (let ((.cse0 (store .cse1 |v_ULTIMATE.start_main_~#t1~0.base_24| 1))) (and (= (store |v_#memory_int_12| |v_ULTIMATE.start_main_~#t1~0.base_24| (store (select |v_#memory_int_12| |v_ULTIMATE.start_main_~#t1~0.base_24|) |v_ULTIMATE.start_main_~#t1~0.offset_20| 0)) |v_#memory_int_11|) (= 0 |v_#NULL.base_4|) (= |v_ULTIMATE.start_main_#in~argv.offset_9| |v_ULTIMATE.start_#in~argv.offset_7|) (= (store .cse0 |v_ULTIMATE.start_main_~#t2~0.base_24| 1) |v_#valid_37|) (= |v_ULTIMATE.start_#in~argv.base_7| |v_ULTIMATE.start_main_#in~argv.base_9|) (= v_ULTIMATE.start_main_~argv.base_10 |v_ULTIMATE.start_main_#in~argv.base_9|) (< 0 |v_#StackHeapBarrier_11|) (= (select .cse0 |v_ULTIMATE.start_main_~#t2~0.base_24|) 0) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t1~0.base_24|) (= |v_ULTIMATE.start_main_~#t1~0.offset_20| 0) (= (select .cse1 |v_ULTIMATE.start_main_~#t1~0.base_24|) 0) (= |v_#NULL.offset_4| 0) (= |v_ULTIMATE.start_#in~argc_7| |v_ULTIMATE.start_main_#in~argc_9|) (= |v_#length_16| (store (store |v_#length_17| |v_ULTIMATE.start_main_~#t1~0.base_24| 4) |v_ULTIMATE.start_main_~#t2~0.base_24| 4)) (= v_~x~0_38 0) (= |v_ULTIMATE.start_main_~#t2~0.offset_20| 0) (<= v_~n~0_33 2147483647) (= v_ULTIMATE.start_main_~argc_10 |v_ULTIMATE.start_main_#in~argc_9|) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t2~0.base_24|) (< 0 v_~n~0_33) (= |v_ULTIMATE.start_main_#in~argv.offset_9| v_ULTIMATE.start_main_~argv.offset_10)))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_39|, #memory_int=|v_#memory_int_12|, #length=|v_#length_17|, ULTIMATE.start_#in~argc=|v_ULTIMATE.start_#in~argc_7|, ULTIMATE.start_#in~argv.offset=|v_ULTIMATE.start_#in~argv.offset_7|, ULTIMATE.start_#in~argv.base=|v_ULTIMATE.start_#in~argv.base_7|} OutVars{ULTIMATE.start_main_~argv.offset=v_ULTIMATE.start_main_~argv.offset_10, ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_9|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_18|, #NULL.offset=|v_#NULL.offset_4|, ULTIMATE.start_main_#t~nondet6=|v_ULTIMATE.start_main_#t~nondet6_9|, ULTIMATE.start_#in~argv.offset=|v_ULTIMATE.start_#in~argv.offset_7|, ULTIMATE.start_main_#t~post5=|v_ULTIMATE.start_main_#t~post5_14|, ULTIMATE.start_main_~argv.base=v_ULTIMATE.start_main_~argv.base_10, ULTIMATE.start_main_~argc=v_ULTIMATE.start_main_~argc_10, #length=|v_#length_16|, ULTIMATE.start_#in~argc=|v_ULTIMATE.start_#in~argc_7|, ULTIMATE.start_main_~#t2~0.base=|v_ULTIMATE.start_main_~#t2~0.base_24|, ULTIMATE.start_#in~argv.base=|v_ULTIMATE.start_#in~argv.base_7|, ULTIMATE.start_main_#in~argv.base=|v_ULTIMATE.start_main_#in~argv.base_9|, ULTIMATE.start_main_#in~argv.offset=|v_ULTIMATE.start_main_#in~argv.offset_9|, ULTIMATE.start_main_~#t2~0.offset=|v_ULTIMATE.start_main_~#t2~0.offset_20|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_27, #NULL.base=|v_#NULL.base_4|, ULTIMATE.start_main_~#t1~0.base=|v_ULTIMATE.start_main_~#t1~0.base_24|, #StackHeapBarrier=|v_#StackHeapBarrier_11|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_14|, #valid=|v_#valid_37|, ULTIMATE.start_main_#in~argc=|v_ULTIMATE.start_main_#in~argc_9|, #memory_int=|v_#memory_int_11|, ~n~0=v_~n~0_33, ULTIMATE.start_main_~#t1~0.offset=|v_ULTIMATE.start_main_~#t1~0.offset_20|, ~x~0=v_~x~0_38} AuxVars[] AssignedVars[ULTIMATE.start_main_#in~argv.base, ULTIMATE.start_main_~argv.offset, ULTIMATE.start_main_#in~argv.offset, ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~#t2~0.offset, #NULL.offset, ULTIMATE.start_main_#t~nondet6, ULTIMATE.start_main_~i~0, ULTIMATE.start_main_#t~post5, #NULL.base, ULTIMATE.start_main_~argv.base, ULTIMATE.start_main_~#t1~0.base, ULTIMATE.start_main_#res, #valid, ULTIMATE.start_main_#in~argc, #memory_int, ULTIMATE.start_main_~argc, #length, ~n~0, ULTIMATE.start_main_~#t2~0.base, ULTIMATE.start_main_~#t1~0.offset, ~x~0] because there is no mapped edge [2019-12-18 15:16:21,953 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [160] [160] L701-2-->L702-6: Formula: (= 0 v_ULTIMATE.start_main_~i~0_10) InVars {} OutVars{ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_3|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_~i~0] because there is no mapped edge [2019-12-18 15:16:21,953 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [164] [164] L702-6-->L703-1: Formula: (and (= (store |v_#memory_int_6| |v_ULTIMATE.start_main_~#t2~0.base_10| (store (select |v_#memory_int_6| |v_ULTIMATE.start_main_~#t2~0.base_10|) |v_ULTIMATE.start_main_~#t2~0.offset_9| 1)) |v_#memory_int_5|) (< v_ULTIMATE.start_main_~i~0_12 v_~n~0_12)) InVars {#memory_int=|v_#memory_int_6|, ULTIMATE.start_main_~#t2~0.offset=|v_ULTIMATE.start_main_~#t2~0.offset_9|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_12, ~n~0=v_~n~0_12, ULTIMATE.start_main_~#t2~0.base=|v_ULTIMATE.start_main_~#t2~0.base_10|} OutVars{#memory_int=|v_#memory_int_5|, ULTIMATE.start_main_~#t2~0.offset=|v_ULTIMATE.start_main_~#t2~0.offset_9|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_12, ~n~0=v_~n~0_12, ULTIMATE.start_main_~#t2~0.base=|v_ULTIMATE.start_main_~#t2~0.base_10|} AuxVars[] AssignedVars[#memory_int] because there is no mapped edge [2019-12-18 15:16:21,953 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [187] [187] thr2ENTRY-->thr2EXIT: Formula: (and (= |v_thr2Thread1of1ForFork0_#res.offset_8| 0) (= (+ v_thr2Thread1of1ForFork0_~t~0_15 1) v_~x~0_28) (= v_~x~0_29 v_thr2Thread1of1ForFork0_~t~0_15) (= v_thr2Thread1of1ForFork0_~arg.base_5 |v_thr2Thread1of1ForFork0_#in~arg.base_5|) (= |v_thr2Thread1of1ForFork0_#in~arg.offset_5| v_thr2Thread1of1ForFork0_~arg.offset_5) (= 0 |v_thr2Thread1of1ForFork0_#res.base_8|)) InVars {thr2Thread1of1ForFork0_#in~arg.offset=|v_thr2Thread1of1ForFork0_#in~arg.offset_5|, thr2Thread1of1ForFork0_#in~arg.base=|v_thr2Thread1of1ForFork0_#in~arg.base_5|, ~x~0=v_~x~0_29} OutVars{thr2Thread1of1ForFork0_#res.base=|v_thr2Thread1of1ForFork0_#res.base_8|, thr2Thread1of1ForFork0_#in~arg.offset=|v_thr2Thread1of1ForFork0_#in~arg.offset_5|, thr2Thread1of1ForFork0_~t~0=v_thr2Thread1of1ForFork0_~t~0_15, thr2Thread1of1ForFork0_~arg.base=v_thr2Thread1of1ForFork0_~arg.base_5, thr2Thread1of1ForFork0_#res.offset=|v_thr2Thread1of1ForFork0_#res.offset_8|, thr2Thread1of1ForFork0_~arg.offset=v_thr2Thread1of1ForFork0_~arg.offset_5, thr2Thread1of1ForFork0_#in~arg.base=|v_thr2Thread1of1ForFork0_#in~arg.base_5|, ~x~0=v_~x~0_28} AuxVars[] AssignedVars[thr2Thread1of1ForFork0_#res.base, thr2Thread1of1ForFork0_~t~0, thr2Thread1of1ForFork0_~arg.base, thr2Thread1of1ForFork0_#res.offset, thr2Thread1of1ForFork0_~arg.offset, ~x~0] because there is no mapped edge [2019-12-18 15:16:21,954 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [185] [185] thr1ENTRY-->thr1Err0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= 0 v_thr1Thread1of1ForFork1___VERIFIER_assert_~cond_18) (= |v_thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond_18| v_thr1Thread1of1ForFork1___VERIFIER_assert_~cond_18) (= v_thr1Thread1of1ForFork1_~arg.offset_7 |v_thr1Thread1of1ForFork1_#in~arg.offset_7|) (= v_thr1Thread1of1ForFork1_~arg.base_7 |v_thr1Thread1of1ForFork1_#in~arg.base_7|) (not (< v_~x~0_26 v_~n~0_24))) InVars {thr1Thread1of1ForFork1_#in~arg.offset=|v_thr1Thread1of1ForFork1_#in~arg.offset_7|, thr1Thread1of1ForFork1_#in~arg.base=|v_thr1Thread1of1ForFork1_#in~arg.base_7|, ~n~0=v_~n~0_24, ~x~0=v_~x~0_26} OutVars{thr1Thread1of1ForFork1_#in~arg.offset=|v_thr1Thread1of1ForFork1_#in~arg.offset_7|, thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond=|v_thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond_18|, thr1Thread1of1ForFork1_~arg.base=v_thr1Thread1of1ForFork1_~arg.base_7, thr1Thread1of1ForFork1_~arg.offset=v_thr1Thread1of1ForFork1_~arg.offset_7, thr1Thread1of1ForFork1_#in~arg.base=|v_thr1Thread1of1ForFork1_#in~arg.base_7|, ~n~0=v_~n~0_24, ~x~0=v_~x~0_26, thr1Thread1of1ForFork1___VERIFIER_assert_~cond=v_thr1Thread1of1ForFork1___VERIFIER_assert_~cond_18} AuxVars[] AssignedVars[thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond, thr1Thread1of1ForFork1_~arg.base, thr1Thread1of1ForFork1_~arg.offset, thr1Thread1of1ForFork1___VERIFIER_assert_~cond] because there is no mapped edge [2019-12-18 15:16:21,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.12 03:16:21 BasicIcfg [2019-12-18 15:16:21,976 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-18 15:16:21,979 INFO L168 Benchmark]: Toolchain (without parser) took 3641.06 ms. Allocated memory was 145.8 MB in the beginning and 246.9 MB in the end (delta: 101.2 MB). Free memory was 102.1 MB in the beginning and 159.7 MB in the end (delta: -57.6 MB). Peak memory consumption was 43.6 MB. Max. memory is 7.1 GB. [2019-12-18 15:16:21,980 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 145.8 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-12-18 15:16:21,983 INFO L168 Benchmark]: CACSL2BoogieTranslator took 706.20 ms. Allocated memory was 145.8 MB in the beginning and 203.9 MB in the end (delta: 58.2 MB). Free memory was 101.9 MB in the beginning and 163.2 MB in the end (delta: -61.3 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. [2019-12-18 15:16:21,983 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.32 ms. Allocated memory is still 203.9 MB. Free memory was 163.2 MB in the beginning and 161.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-12-18 15:16:21,985 INFO L168 Benchmark]: Boogie Preprocessor took 28.54 ms. Allocated memory is still 203.9 MB. Free memory was 161.1 MB in the beginning and 159.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-12-18 15:16:21,986 INFO L168 Benchmark]: RCFGBuilder took 433.74 ms. Allocated memory is still 203.9 MB. Free memory was 159.7 MB in the beginning and 139.9 MB in the end (delta: 19.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 7.1 GB. [2019-12-18 15:16:21,987 INFO L168 Benchmark]: TraceAbstraction took 2418.49 ms. Allocated memory was 203.9 MB in the beginning and 246.9 MB in the end (delta: 43.0 MB). Free memory was 139.3 MB in the beginning and 159.7 MB in the end (delta: -20.4 MB). Peak memory consumption was 22.6 MB. Max. memory is 7.1 GB. [2019-12-18 15:16:22,003 INFO L335 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 145.8 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 706.20 ms. Allocated memory was 145.8 MB in the beginning and 203.9 MB in the end (delta: 58.2 MB). Free memory was 101.9 MB in the beginning and 163.2 MB in the end (delta: -61.3 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 49.32 ms. Allocated memory is still 203.9 MB. Free memory was 163.2 MB in the beginning and 161.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 28.54 ms. Allocated memory is still 203.9 MB. Free memory was 161.1 MB in the beginning and 159.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 433.74 ms. Allocated memory is still 203.9 MB. Free memory was 159.7 MB in the beginning and 139.9 MB in the end (delta: 19.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2418.49 ms. Allocated memory was 203.9 MB in the beginning and 246.9 MB in the end (delta: 43.0 MB). Free memory was 139.3 MB in the beginning and 159.7 MB in the end (delta: -20.4 MB). Peak memory consumption was 22.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.7s, 60 ProgramPointsBefore, 15 ProgramPointsAfterwards, 56 TransitionsBefore, 12 TransitionsAfterwards, 692 CoEnabledTransitionPairs, 7 FixpointIterations, 18 TrivialSequentialCompositions, 26 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 3 ConcurrentYvCompositions, 2 ChoiceCompositions, 351 VarBasedMoverChecksPositive, 4 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 4 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 524 CheckedPairsTotal, 47 TotalNumberOfCompositions - CounterExampleResult [Line: 676]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L701] FCALL, FORK 0 pthread_create(&t1, 0, thr1, 0) VAL [n=1, x=0] [L703] FCALL, FORK 0 pthread_create(&t2, 0, thr2, 0) VAL [arg={0:0}, n=1, x=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 54 locations, 1 error locations. Result: UNSAFE, OverallTime: 2.2s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 7 SDtfs, 7 SDslu, 2 SDs, 0 SdLazy, 8 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=44occurred 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: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 20 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...