/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-Persistent-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/triangular-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 07:46:24,417 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 07:46:24,420 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 07:46:24,450 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 07:46:24,467 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-14 07:46:24,468 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-14 07:46:24,469 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-14 07:46:24,470 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-14 07:46:24,472 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-14 07:46:24,473 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-14 07:46:24,474 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-14 07:46:24,479 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-14 07:46:24,481 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-14 07:46:24,483 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-14 07:46:24,484 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-14 07:46:24,485 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-14 07:46:24,490 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-07-14 07:46:24,497 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-14 07:46:24,497 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-14 07:46:24,498 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-14 07:46:24,501 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-Persistent-NoLbe.epf [2021-07-14 07:46:24,531 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 07:46:24,531 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 07:46:24,531 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 07:46:24,531 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 07:46:24,533 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 07:46:24,534 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 07:46:24,534 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 07:46:24,534 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 07:46:24,534 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 07:46:24,534 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 07:46:24,535 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 07:46:24,535 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 07:46:24,535 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 07:46:24,535 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 07:46:24,535 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 07:46:24,536 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 07:46:24,536 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 07:46:24,536 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 07:46:24,536 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 07:46:24,536 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 07:46:24,536 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 07:46:24,536 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 07:46:24,536 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 07:46:24,537 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 07:46:24,537 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 07:46:24,537 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 07:46:24,537 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 07:46:24,537 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 07:46:24,537 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 07:46:24,537 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 07:46:24,537 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 07:46:24,538 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 07:46:24,538 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SETS [2021-07-14 07:46:24,538 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 07:46:24,815 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 07:46:24,830 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 07:46:24,831 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 07:46:24,832 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-14 07:46:24,833 INFO L275 PluginConnector]: CDTParser initialized [2021-07-14 07:46:24,833 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/triangular-2.i [2021-07-14 07:46:24,888 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c5c681a6/56e2e7064f734c0797b31b6b7d199d01/FLAG831d6e599 [2021-07-14 07:46:25,302 INFO L306 CDTParser]: Found 1 translation units. [2021-07-14 07:46:25,302 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/triangular-2.i [2021-07-14 07:46:25,310 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c5c681a6/56e2e7064f734c0797b31b6b7d199d01/FLAG831d6e599 [2021-07-14 07:46:25,322 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c5c681a6/56e2e7064f734c0797b31b6b7d199d01 [2021-07-14 07:46:25,324 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 07:46:25,325 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-07-14 07:46:25,326 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-14 07:46:25,326 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-14 07:46:25,329 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-14 07:46:25,329 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 07:46:25" (1/1) ... [2021-07-14 07:46:25,330 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72fd3910 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 07:46:25, skipping insertion in model container [2021-07-14 07:46:25,330 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 07:46:25" (1/1) ... [2021-07-14 07:46:25,335 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-14 07:46:25,366 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-14 07:46:25,614 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/triangular-2.i[30952,30965] [2021-07-14 07:46:25,617 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-14 07:46:25,623 INFO L203 MainTranslator]: Completed pre-run [2021-07-14 07:46:25,661 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/triangular-2.i[30952,30965] [2021-07-14 07:46:25,662 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-14 07:46:25,692 INFO L208 MainTranslator]: Completed translation [2021-07-14 07:46:25,692 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 07:46:25 WrapperNode [2021-07-14 07:46:25,693 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-14 07:46:25,693 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 07:46:25,694 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 07:46:25,694 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 07:46:25,698 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 07:46:25" (1/1) ... [2021-07-14 07:46:25,722 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 07:46:25" (1/1) ... [2021-07-14 07:46:25,738 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 07:46:25,739 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 07:46:25,739 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 07:46:25,739 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 07:46:25,744 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 07:46:25" (1/1) ... [2021-07-14 07:46:25,744 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 07:46:25" (1/1) ... [2021-07-14 07:46:25,749 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 07:46:25" (1/1) ... [2021-07-14 07:46:25,749 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 07:46:25" (1/1) ... [2021-07-14 07:46:25,763 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 07:46:25" (1/1) ... [2021-07-14 07:46:25,766 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 07:46:25" (1/1) ... [2021-07-14 07:46:25,772 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 07:46:25" (1/1) ... [2021-07-14 07:46:25,774 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 07:46:25,774 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 07:46:25,775 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 07:46:25,775 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 07:46:25,775 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 07:46:25" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 07:46:25,847 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-07-14 07:46:25,848 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-07-14 07:46:25,848 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-07-14 07:46:25,850 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-07-14 07:46:25,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-07-14 07:46:25,850 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-07-14 07:46:25,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-14 07:46:25,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-14 07:46:25,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-14 07:46:25,850 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-07-14 07:46:25,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 07:46:25,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 07:46:25,851 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-14 07:46:26,199 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 07:46:26,199 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-07-14 07:46:26,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 07:46:26 BoogieIcfgContainer [2021-07-14 07:46:26,201 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 07:46:26,203 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 07:46:26,203 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 07:46:26,205 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 07:46:26,205 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 07:46:25" (1/3) ... [2021-07-14 07:46:26,205 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11c20900 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 07:46:26, skipping insertion in model container [2021-07-14 07:46:26,206 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 07:46:25" (2/3) ... [2021-07-14 07:46:26,206 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11c20900 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 07:46:26, skipping insertion in model container [2021-07-14 07:46:26,206 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 07:46:26" (3/3) ... [2021-07-14 07:46:26,208 INFO L111 eAbstractionObserver]: Analyzing ICFG triangular-2.i [2021-07-14 07:46:26,212 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 07:46:26,212 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 07:46:26,213 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 07:46:26,213 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 07:46:26,240 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 07:46:26,240 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 07:46:26,241 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 07:46:26,241 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 07:46:26,241 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 07:46:26,241 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 07:46:26,241 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 07:46:26,241 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 07:46:26,242 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 07:46:26,242 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 07:46:26,243 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 07:46:26,243 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 07:46:26,243 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 07:46:26,243 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 07:46:26,243 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 07:46:26,243 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 07:46:26,244 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 07:46:26,244 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 07:46:26,244 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 07:46:26,244 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 07:46:26,244 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 07:46:26,245 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 07:46:26,245 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 07:46:26,245 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 07:46:26,245 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 07:46:26,245 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 07:46:26,245 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 07:46:26,246 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 07:46:26,246 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 07:46:26,246 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 07:46:26,246 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 07:46:26,247 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 07:46:26,247 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 07:46:26,247 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 07:46:26,247 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 07:46:26,247 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 07:46:26,248 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 07:46:26,248 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 07:46:26,248 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 07:46:26,248 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 07:46:26,248 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 07:46:26,248 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 07:46:26,248 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 07:46:26,249 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 07:46:26,249 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 07:46:26,249 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 07:46:26,249 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 07:46:26,249 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 07:46:26,249 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 07:46:26,249 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 07:46:26,249 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 07:46:26,250 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 07:46:26,250 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 07:46:26,250 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 07:46:26,251 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 07:46:26,251 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 07:46:26,253 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 07:46:26,253 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 07:46:26,254 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 07:46:26,254 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 07:46:26,254 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 07:46:26,254 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 07:46:26,259 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 07:46:26,259 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 07:46:26,259 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 07:46:26,260 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 07:46:26,260 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 07:46:26,260 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 07:46:26,261 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-14 07:46:26,282 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-14 07:46:26,336 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 07:46:26,336 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 07:46:26,336 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 07:46:26,336 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 07:46:26,336 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 07:46:26,337 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 07:46:26,337 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 07:46:26,337 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 07:46:26,473 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 07:46:26,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 07:46:26,477 INFO L82 PathProgramCache]: Analyzing trace with hash 855509438, now seen corresponding path program 1 times [2021-07-14 07:46:26,483 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 07:46:26,484 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902831173] [2021-07-14 07:46:26,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 07:46:26,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 07:46:26,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 07:46:26,794 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 07:46:26,795 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902831173] [2021-07-14 07:46:26,795 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1902831173] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 07:46:26,795 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 07:46:26,795 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-14 07:46:26,796 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827102008] [2021-07-14 07:46:26,800 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-14 07:46:26,800 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 07:46:26,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-14 07:46:26,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-07-14 07:46:26,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:46:26,810 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 07:46:26,811 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 07:46:26,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:46:26,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 07:46:26,925 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 07:46:26,925 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 07:46:26,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 07:46:26,926 INFO L82 PathProgramCache]: Analyzing trace with hash 1332719248, now seen corresponding path program 1 times [2021-07-14 07:46:26,926 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 07:46:26,926 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598415571] [2021-07-14 07:46:26,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 07:46:26,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 07:46:26,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 07:46:26,966 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 07:46:26,967 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598415571] [2021-07-14 07:46:26,967 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [598415571] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 07:46:26,967 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 07:46:26,967 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 07:46:26,967 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878117171] [2021-07-14 07:46:26,968 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 07:46:26,968 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 07:46:26,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 07:46:26,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 07:46:26,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:46:26,969 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 07:46:26,969 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 07:46:26,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 07:46:26,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:46:27,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 07:46:27,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:46:27,009 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-14 07:46:27,009 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 07:46:27,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 07:46:27,009 INFO L82 PathProgramCache]: Analyzing trace with hash -2088528040, now seen corresponding path program 1 times [2021-07-14 07:46:27,009 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 07:46:27,009 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830941999] [2021-07-14 07:46:27,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 07:46:27,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 07:46:27,048 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 07:46:27,048 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 07:46:27,048 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830941999] [2021-07-14 07:46:27,049 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830941999] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:46:27,049 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [848381499] [2021-07-14 07:46:27,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 07:46:27,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 07:46:27,138 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 4 conjunts are in the unsatisfiable core [2021-07-14 07:46:27,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 07:46:27,276 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 07:46:27,277 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [848381499] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:46:27,277 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 07:46:27,277 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-07-14 07:46:27,277 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226699772] [2021-07-14 07:46:27,277 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-14 07:46:27,277 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 07:46:27,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-14 07:46:27,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-07-14 07:46:27,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:46:27,278 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 07:46:27,278 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 07:46:27,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 07:46:27,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:46:27,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:46:27,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 07:46:27,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:46:27,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 07:46:27,528 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 07:46:27,528 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 07:46:27,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 07:46:27,529 INFO L82 PathProgramCache]: Analyzing trace with hash 485092240, now seen corresponding path program 2 times [2021-07-14 07:46:27,529 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 07:46:27,529 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307264737] [2021-07-14 07:46:27,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 07:46:27,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 07:46:27,576 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 07:46:27,576 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 07:46:27,576 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307264737] [2021-07-14 07:46:27,576 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [307264737] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:46:27,576 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1501866174] [2021-07-14 07:46:27,577 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 07:46:27,650 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 07:46:27,650 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 07:46:27,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 6 conjunts are in the unsatisfiable core [2021-07-14 07:46:27,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 07:46:27,787 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 07:46:27,787 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1501866174] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:46:27,787 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 07:46:27,787 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-07-14 07:46:27,788 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420050881] [2021-07-14 07:46:27,788 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-14 07:46:27,789 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 07:46:27,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-14 07:46:27,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-07-14 07:46:27,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:46:27,790 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 07:46:27,790 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 6.0) internal successors, (54), 9 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 07:46:27,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 07:46:27,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:46:27,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 07:46:27,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:46:27,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 07:46:27,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:46:27,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 07:46:27,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 07:46:28,077 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 07:46:28,077 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 07:46:28,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 07:46:28,078 INFO L82 PathProgramCache]: Analyzing trace with hash 703035992, now seen corresponding path program 3 times [2021-07-14 07:46:28,078 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 07:46:28,078 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632492248] [2021-07-14 07:46:28,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 07:46:28,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 07:46:28,167 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 07:46:28,167 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 07:46:28,168 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632492248] [2021-07-14 07:46:28,168 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632492248] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:46:28,168 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [650309490] [2021-07-14 07:46:28,168 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 07:46:28,233 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-07-14 07:46:28,233 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 07:46:28,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 9 conjunts are in the unsatisfiable core [2021-07-14 07:46:28,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 07:46:28,416 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-07-14 07:46:28,416 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [650309490] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:46:28,416 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 07:46:28,417 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 15 [2021-07-14 07:46:28,417 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93198864] [2021-07-14 07:46:28,417 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-14 07:46:28,417 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 07:46:28,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-14 07:46:28,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2021-07-14 07:46:28,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:46:28,421 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 07:46:28,425 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 6.266666666666667) internal successors, (94), 15 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 07:46:28,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 07:46:28,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:46:28,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 07:46:28,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 07:46:28,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:46:29,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 07:46:29,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:46:29,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 07:46:29,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 07:46:29,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 07:46:29,326 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 07:46:29,327 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 07:46:29,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 07:46:29,327 INFO L82 PathProgramCache]: Analyzing trace with hash 1180327711, now seen corresponding path program 1 times [2021-07-14 07:46:29,328 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 07:46:29,328 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615697710] [2021-07-14 07:46:29,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 07:46:29,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 07:46:29,438 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 66 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 07:46:29,438 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 07:46:29,438 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615697710] [2021-07-14 07:46:29,438 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1615697710] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:46:29,439 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1387293101] [2021-07-14 07:46:29,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 07:46:29,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 07:46:29,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 12 conjunts are in the unsatisfiable core [2021-07-14 07:46:29,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 07:46:29,636 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 07:46:29,637 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1387293101] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 07:46:29,637 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-07-14 07:46:29,637 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [13] total 15 [2021-07-14 07:46:29,637 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787231699] [2021-07-14 07:46:29,638 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-14 07:46:29,638 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 07:46:29,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-14 07:46:29,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2021-07-14 07:46:29,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:46:29,639 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 07:46:29,639 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 5.6923076923076925) internal successors, (74), 13 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 07:46:29,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 07:46:29,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:46:29,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 07:46:29,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 07:46:29,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 07:46:29,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:46:29,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 07:46:29,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:46:29,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 07:46:29,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 07:46:29,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 07:46:29,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 07:46:30,003 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-07-14 07:46:30,004 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 07:46:30,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 07:46:30,004 INFO L82 PathProgramCache]: Analyzing trace with hash 1161575589, now seen corresponding path program 2 times [2021-07-14 07:46:30,005 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 07:46:30,005 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95287139] [2021-07-14 07:46:30,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 07:46:30,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 07:46:30,096 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-07-14 07:46:30,096 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 07:46:30,096 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95287139] [2021-07-14 07:46:30,096 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95287139] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:46:30,096 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1994948737] [2021-07-14 07:46:30,097 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 07:46:30,172 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 07:46:30,173 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 07:46:30,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-14 07:46:30,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 07:46:30,352 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-07-14 07:46:30,352 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1994948737] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:46:30,352 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 07:46:30,352 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 13 [2021-07-14 07:46:30,352 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073878166] [2021-07-14 07:46:30,353 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-14 07:46:30,353 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 07:46:30,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-14 07:46:30,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2021-07-14 07:46:30,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:46:30,356 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 07:46:30,356 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 6.3076923076923075) internal successors, (82), 13 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 07:46:30,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 07:46:30,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:46:30,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 07:46:30,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 07:46:30,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 07:46:30,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 07:46:30,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:46:30,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 07:46:30,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:46:30,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 07:46:30,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 07:46:30,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 07:46:30,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 07:46:30,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 07:46:30,814 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 07:46:30,815 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 07:46:30,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 07:46:30,815 INFO L82 PathProgramCache]: Analyzing trace with hash -337700798, now seen corresponding path program 3 times [2021-07-14 07:46:30,815 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 07:46:30,815 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930882022] [2021-07-14 07:46:30,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 07:46:30,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 07:46:30,912 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-07-14 07:46:30,912 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 07:46:30,912 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930882022] [2021-07-14 07:46:30,912 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930882022] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:46:30,912 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [226911820] [2021-07-14 07:46:30,913 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 07:46:30,987 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-07-14 07:46:30,987 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 07:46:30,988 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-14 07:46:30,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 07:46:31,155 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-07-14 07:46:31,155 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [226911820] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:46:31,155 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 07:46:31,155 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 14 [2021-07-14 07:46:31,155 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713366106] [2021-07-14 07:46:31,156 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-07-14 07:46:31,156 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 07:46:31,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-07-14 07:46:31,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2021-07-14 07:46:31,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:46:31,156 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 07:46:31,156 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 6.428571428571429) internal successors, (90), 14 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 07:46:31,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 07:46:31,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:46:31,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 07:46:31,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 07:46:31,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 07:46:31,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 07:46:31,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 07:46:31,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:46:31,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 07:46:31,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:46:31,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 07:46:31,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 07:46:31,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-07-14 07:46:31,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 07:46:31,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 07:46:31,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 07:46:31,828 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 07:46:31,829 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 07:46:31,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 07:46:31,829 INFO L82 PathProgramCache]: Analyzing trace with hash 1401386255, now seen corresponding path program 4 times [2021-07-14 07:46:31,829 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 07:46:31,829 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080476692] [2021-07-14 07:46:31,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 07:46:31,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 07:46:31,997 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 74 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-14 07:46:31,997 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 07:46:31,998 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080476692] [2021-07-14 07:46:31,998 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080476692] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:46:31,998 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1702342805] [2021-07-14 07:46:31,998 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 07:46:32,065 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 07:46:32,065 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 07:46:32,066 INFO L263 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-14 07:46:32,067 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 07:46:32,218 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 74 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-14 07:46:32,218 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1702342805] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:46:32,218 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 07:46:32,218 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 16 [2021-07-14 07:46:32,218 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845544222] [2021-07-14 07:46:32,219 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-07-14 07:46:32,219 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 07:46:32,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-07-14 07:46:32,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2021-07-14 07:46:32,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:46:32,219 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 07:46:32,219 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 6.25) internal successors, (100), 16 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 07:46:32,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 07:46:32,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:46:32,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 07:46:32,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 07:46:32,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-07-14 07:46:32,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 07:46:32,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 07:46:32,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 07:46:32,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:46:32,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 07:46:32,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:46:32,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 07:46:32,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 07:46:32,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-07-14 07:46:32,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 07:46:32,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 07:46:32,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 07:46:32,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 07:46:33,025 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-07-14 07:46:33,025 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 07:46:33,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 07:46:33,026 INFO L82 PathProgramCache]: Analyzing trace with hash 288471596, now seen corresponding path program 5 times [2021-07-14 07:46:33,026 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 07:46:33,026 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985444536] [2021-07-14 07:46:33,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 07:46:33,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-14 07:46:33,043 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-14 07:46:33,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-14 07:46:33,067 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-14 07:46:33,099 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-14 07:46:33,100 INFO L609 BasicCegarLoop]: Counterexample might be feasible [2021-07-14 07:46:33,100 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-07-14 07:46:33,109 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-14 07:46:33,185 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.07 07:46:33 BasicIcfg [2021-07-14 07:46:33,186 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-14 07:46:33,186 INFO L168 Benchmark]: Toolchain (without parser) took 7861.22 ms. Allocated memory was 187.7 MB in the beginning and 291.5 MB in the end (delta: 103.8 MB). Free memory was 149.2 MB in the beginning and 152.3 MB in the end (delta: -3.1 MB). Peak memory consumption was 102.3 MB. Max. memory is 8.0 GB. [2021-07-14 07:46:33,186 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 187.7 MB. Free memory is still 167.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-14 07:46:33,186 INFO L168 Benchmark]: CACSL2BoogieTranslator took 366.61 ms. Allocated memory is still 187.7 MB. Free memory was 148.9 MB in the beginning and 161.0 MB in the end (delta: -12.1 MB). Peak memory consumption was 12.4 MB. Max. memory is 8.0 GB. [2021-07-14 07:46:33,186 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.80 ms. Allocated memory is still 187.7 MB. Free memory was 161.0 MB in the beginning and 159.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-14 07:46:33,187 INFO L168 Benchmark]: Boogie Preprocessor took 35.25 ms. Allocated memory is still 187.7 MB. Free memory was 159.3 MB in the beginning and 157.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-14 07:46:33,187 INFO L168 Benchmark]: RCFGBuilder took 426.99 ms. Allocated memory is still 187.7 MB. Free memory was 157.9 MB in the beginning and 136.9 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2021-07-14 07:46:33,187 INFO L168 Benchmark]: TraceAbstraction took 6983.20 ms. Allocated memory was 187.7 MB in the beginning and 291.5 MB in the end (delta: 103.8 MB). Free memory was 136.3 MB in the beginning and 152.3 MB in the end (delta: -16.0 MB). Peak memory consumption was 89.3 MB. Max. memory is 8.0 GB. [2021-07-14 07:46:33,187 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 187.7 MB. Free memory is still 167.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 366.61 ms. Allocated memory is still 187.7 MB. Free memory was 148.9 MB in the beginning and 161.0 MB in the end (delta: -12.1 MB). Peak memory consumption was 12.4 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 44.80 ms. Allocated memory is still 187.7 MB. Free memory was 161.0 MB in the beginning and 159.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 35.25 ms. Allocated memory is still 187.7 MB. Free memory was 159.3 MB in the beginning and 157.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 426.99 ms. Allocated memory is still 187.7 MB. Free memory was 157.9 MB in the beginning and 136.9 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 6983.20 ms. Allocated memory was 187.7 MB in the beginning and 291.5 MB in the end (delta: 103.8 MB). Free memory was 136.3 MB in the beginning and 152.3 MB in the end (delta: -16.0 MB). Peak memory consumption was 89.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1927, positive: 1915, positive conditional: 0, positive unconditional: 1915, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 1927, positive: 1915, positive conditional: 0, positive unconditional: 1915, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 1927, positive: 1915, positive conditional: 0, positive unconditional: 1915, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 795, positive: 789, positive conditional: 0, positive unconditional: 789, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 795, positive: 789, positive conditional: 0, positive unconditional: 789, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 64, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 64, negative conditional: 0, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1927, positive: 1126, positive conditional: 0, positive unconditional: 1126, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 795, unknown conditional: 0, unknown unconditional: 795] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 789, Positive conditional cache size: 0, Positive unconditional cache size: 789, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, SemanticConditionEliminator.Independence Queries: [ total: 11, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 64, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 64, negative conditional: 0, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 11, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 789, Positive conditional cache size: 0, Positive unconditional cache size: 789, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 11, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 64, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 64, negative conditional: 0, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 11, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 789, Positive conditional cache size: 0, Positive unconditional cache size: 789, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 11, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 64, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 64, negative conditional: 0, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 11, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 789, Positive conditional cache size: 0, Positive unconditional cache size: 789, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 11, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 64, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 64, negative conditional: 0, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 11, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 789, Positive conditional cache size: 0, Positive unconditional cache size: 789, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 11, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 64, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 64, negative conditional: 0, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 11, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 789, Positive conditional cache size: 0, Positive unconditional cache size: 789, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 11, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 64, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 64, negative conditional: 0, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 11, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 789, Positive conditional cache size: 0, Positive unconditional cache size: 789, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 11, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 64, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 64, negative conditional: 0, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 11, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 789, Positive conditional cache size: 0, Positive unconditional cache size: 789, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 11, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 64, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 64, negative conditional: 0, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 11, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 789, Positive conditional cache size: 0, Positive unconditional cache size: 789, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 11, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 64, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 64, negative conditional: 0, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 11, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 789, Positive conditional cache size: 0, Positive unconditional cache size: 789, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Eliminated conditions: 0 ], Maximal queried relation: 2, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 130, Number of persistent set computation: 115, Number of trivial persistent sets: 27, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1927, positive: 1915, positive conditional: 0, positive unconditional: 1915, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 1927, positive: 1915, positive conditional: 0, positive unconditional: 1915, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 1927, positive: 1915, positive conditional: 0, positive unconditional: 1915, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 795, positive: 789, positive conditional: 0, positive unconditional: 789, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 795, positive: 789, positive conditional: 0, positive unconditional: 789, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 64, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 64, negative conditional: 0, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1927, positive: 1126, positive conditional: 0, positive unconditional: 1126, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 795, unknown conditional: 0, unknown unconditional: 795] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 789, Positive conditional cache size: 0, Positive unconditional cache size: 789, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, SemanticConditionEliminator.Independence Queries: [ total: 11, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 64, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 64, negative conditional: 0, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 11, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 789, Positive conditional cache size: 0, Positive unconditional cache size: 789, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 11, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 64, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 64, negative conditional: 0, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 11, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 789, Positive conditional cache size: 0, Positive unconditional cache size: 789, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 11, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 64, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 64, negative conditional: 0, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 11, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 789, Positive conditional cache size: 0, Positive unconditional cache size: 789, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 11, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 64, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 64, negative conditional: 0, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 11, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 789, Positive conditional cache size: 0, Positive unconditional cache size: 789, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 11, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 64, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 64, negative conditional: 0, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 11, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 789, Positive conditional cache size: 0, Positive unconditional cache size: 789, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 11, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 64, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 64, negative conditional: 0, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 11, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 789, Positive conditional cache size: 0, Positive unconditional cache size: 789, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 11, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 64, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 64, negative conditional: 0, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 11, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 789, Positive conditional cache size: 0, Positive unconditional cache size: 789, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 11, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 64, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 64, negative conditional: 0, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 11, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 789, Positive conditional cache size: 0, Positive unconditional cache size: 789, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 11, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 64, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 64, negative conditional: 0, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 11, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 795, Positive cache size: 789, Positive conditional cache size: 0, Positive unconditional cache size: 789, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Eliminated conditions: 0 ], Maximal queried relation: 2, Independence queries for same thread: 0 - CounterExampleResult [Line: 722]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L694] 0 int i = 3, j = 6; VAL [i=3, j=6] [L712] 0 pthread_t id1, id2; VAL [i=3, j=6] [L713] FCALL, FORK 0 pthread_create(&id1, ((void *)0), t1, ((void *)0)) VAL [arg={0:0}, i=3, j=6] [L714] FCALL, FORK 0 pthread_create(&id2, ((void *)0), t2, ((void *)0)) VAL [arg={0:0}, arg={0:0}, i=3, j=6] [L716] 0 int condI = i >= (2*5 +6); VAL [arg={0:0}, arg={0:0}, i=3, j=6] [L704] 2 int k = 0; VAL [arg={0:0}, arg={0:0}, arg={0:0}, i=3, j=6, k=0] [L704] COND TRUE 2 k < 5 VAL [arg={0:0}, arg={0:0}, arg={0:0}, i=3, j=6, k=0] [L696] 1 int k = 0; VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=3, j=6, k=0, k=0] [L696] COND TRUE 1 k < 5 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=3, j=6, k=0, k=0] [L698] 1 i = j + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=7, j=6, k=0, k=0] [L696] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=7, j=6, k=1, k=0] [L696] COND TRUE 1 k < 5 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=7, j=6, k=1, k=0] [L706] 2 j = i + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=7, j=8, k=1, k=0] [L704] 2 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=7, j=8, k=1, k=1] [L704] COND TRUE 2 k < 5 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=7, j=8, k=1, k=1] [L698] 1 i = j + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=9, j=8, k=1, k=1] [L696] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=9, j=8, k=1, k=2] [L696] COND TRUE 1 k < 5 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=9, j=8, k=1, k=2] [L706] 2 j = i + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=9, j=10, k=2, k=1] [L704] 2 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=9, j=10, k=2, k=2] [L704] COND TRUE 2 k < 5 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=9, j=10, k=2, k=2] [L698] 1 i = j + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=11, j=10, k=2, k=2] [L696] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=11, j=10, k=3, k=2] [L696] COND TRUE 1 k < 5 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=11, j=10, k=2, k=3] [L706] 2 j = i + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=11, j=12, k=3, k=2] [L704] 2 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=11, j=12, k=3, k=3] [L704] COND TRUE 2 k < 5 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=11, j=12, k=3, k=3] [L698] 1 i = j + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=13, j=12, k=3, k=3] [L696] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=13, j=12, k=3, k=4] [L696] COND TRUE 1 k < 5 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=13, j=12, k=4, k=3] [L706] 2 j = i + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=13, j=14, k=4, k=3] [L704] 2 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=13, j=14, k=4, k=4] [L704] COND TRUE 2 k < 5 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=13, j=14, k=4, k=4] [L698] 1 i = j + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=15, j=14, k=4, k=4] [L696] 1 k++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=15, j=14, k=5, k=4] [L696] COND FALSE 1 !(k < 5) VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=15, j=14, k=4, k=5] [L706] 2 j = i + 1 VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=15, j=16, k=4, k=5] [L719] 0 int condJ = j >= (2*5 +6); VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=15, j=16, k=4, k=5] [L721] COND TRUE 0 condI || condJ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=15, j=16, k=4, k=5] [L722] 0 reach_error() VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, i=15, j=16, k=5, k=4] - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 84 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 6805.0ms, OverallIterations: 10, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 13.7ms, PartialOrderReductionTime: 2513.8ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 189, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 117.6ms SsaConstructionTime, 267.6ms SatisfiabilityAnalysisTime, 1868.4ms InterpolantComputationTime, 1041 NumberOfCodeBlocks, 1026 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 941 ConstructedInterpolants, 0 QuantifiedInterpolants, 3883 SizeOfPredicates, 44 NumberOfNonLiveVariables, 1018 ConjunctsInSsa, 70 ConjunctsInUnsatCore, 16 InterpolantComputations, 3 PerfectInterpolantSequences, 222/612 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...