/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-lit/fkp2014.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-29289db [2021-06-05 00:20:26,866 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-05 00:20:26,867 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-05 00:20:26,891 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-05 00:20:26,935 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-05 00:20:26,935 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-05 00:20:26,936 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-05 00:20:26,936 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2021-06-05 00:20:26,954 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-05 00:20:26,954 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-05 00:20:26,954 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-05 00:20:26,955 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-05 00:20:26,955 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-05 00:20:26,955 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-05 00:20:26,955 INFO L138 SettingsManager]: * Use SBE=true [2021-06-05 00:20:26,956 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-05 00:20:26,956 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-05 00:20:26,956 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-05 00:20:26,956 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-05 00:20:26,956 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-05 00:20:26,956 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-05 00:20:26,956 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-05 00:20:26,956 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-05 00:20:26,956 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-05 00:20:26,956 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-05 00:20:26,956 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-05 00:20:26,957 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-05 00:20:26,957 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-05 00:20:26,957 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-05 00:20:26,957 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-05 00:20:26,957 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-05 00:20:26,957 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-05 00:20:26,957 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-05 00:20:26,957 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-05 00:20:26,957 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-05 00:20:26,957 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-05 00:20:26,957 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-05 00:20:26,958 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-05 00:20:26,958 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-05 00:20:26,958 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-05 00:20:27,167 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-05 00:20:27,193 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-05 00:20:27,194 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-05 00:20:27,195 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-05 00:20:27,197 INFO L275 PluginConnector]: CDTParser initialized [2021-06-05 00:20:27,198 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-lit/fkp2014.i [2021-06-05 00:20:27,248 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31dca5af0/89f0fb17592244a6968abcd678dfea67/FLAGe4ef5c5c5 [2021-06-05 00:20:27,728 INFO L306 CDTParser]: Found 1 translation units. [2021-06-05 00:20:27,729 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-lit/fkp2014.i [2021-06-05 00:20:27,741 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31dca5af0/89f0fb17592244a6968abcd678dfea67/FLAGe4ef5c5c5 [2021-06-05 00:20:28,225 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31dca5af0/89f0fb17592244a6968abcd678dfea67 [2021-06-05 00:20:28,227 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-05 00:20:28,228 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-05 00:20:28,237 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-05 00:20:28,238 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-05 00:20:28,241 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-05 00:20:28,241 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.06 12:20:28" (1/1) ... [2021-06-05 00:20:28,242 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65b687f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 12:20:28, skipping insertion in model container [2021-06-05 00:20:28,242 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.06 12:20:28" (1/1) ... [2021-06-05 00:20:28,246 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-05 00:20:28,276 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-05 00:20:28,454 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-lit/fkp2014.i[30003,30016] [2021-06-05 00:20:28,469 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-05 00:20:28,474 INFO L203 MainTranslator]: Completed pre-run [2021-06-05 00:20:28,501 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-lit/fkp2014.i[30003,30016] [2021-06-05 00:20:28,504 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-05 00:20:28,562 INFO L208 MainTranslator]: Completed translation [2021-06-05 00:20:28,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 12:20:28 WrapperNode [2021-06-05 00:20:28,562 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-05 00:20:28,564 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-05 00:20:28,564 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-05 00:20:28,564 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-05 00:20:28,569 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 12:20:28" (1/1) ... [2021-06-05 00:20:28,591 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 12:20:28" (1/1) ... [2021-06-05 00:20:28,609 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-05 00:20:28,610 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-05 00:20:28,610 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-05 00:20:28,611 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-05 00:20:28,615 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 12:20:28" (1/1) ... [2021-06-05 00:20:28,615 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 12:20:28" (1/1) ... [2021-06-05 00:20:28,620 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 12:20:28" (1/1) ... [2021-06-05 00:20:28,620 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 12:20:28" (1/1) ... [2021-06-05 00:20:28,631 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 12:20:28" (1/1) ... [2021-06-05 00:20:28,634 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 12:20:28" (1/1) ... [2021-06-05 00:20:28,641 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 12:20:28" (1/1) ... [2021-06-05 00:20:28,644 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-05 00:20:28,645 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-05 00:20:28,645 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-05 00:20:28,645 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-05 00:20:28,645 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 12:20:28" (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 [2021-06-05 00:20:28,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-05 00:20:28,695 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-05 00:20:28,695 INFO L130 BoogieDeclarations]: Found specification of procedure thr [2021-06-05 00:20:28,695 INFO L138 BoogieDeclarations]: Found implementation of procedure thr [2021-06-05 00:20:28,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-05 00:20:28,695 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-05 00:20:28,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-05 00:20:28,695 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-05 00:20:28,695 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-05 00:20:28,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-05 00:20:28,696 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-05 00:20:28,956 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-05 00:20:28,957 INFO L299 CfgBuilder]: Removed 13 assume(true) statements. [2021-06-05 00:20:28,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.06 12:20:28 BoogieIcfgContainer [2021-06-05 00:20:28,958 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-05 00:20:28,959 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-05 00:20:28,959 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-05 00:20:28,961 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-05 00:20:28,961 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.06 12:20:28" (1/3) ... [2021-06-05 00:20:28,961 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12760094 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.06 12:20:28, skipping insertion in model container [2021-06-05 00:20:28,962 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 12:20:28" (2/3) ... [2021-06-05 00:20:28,962 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12760094 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.06 12:20:28, skipping insertion in model container [2021-06-05 00:20:28,962 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.06 12:20:28" (3/3) ... [2021-06-05 00:20:28,963 INFO L111 eAbstractionObserver]: Analyzing ICFG fkp2014.i [2021-06-05 00:20:28,966 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-05 00:20:28,966 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-05 00:20:28,967 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-05 00:20:28,967 INFO L510 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-05 00:20:28,980 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:28,980 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:28,980 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:28,980 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:28,980 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:28,980 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:28,981 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:28,981 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:28,981 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:28,981 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:28,981 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:28,981 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:28,981 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:28,981 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:28,982 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:28,982 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:28,982 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:28,982 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:28,982 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:28,982 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:28,982 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:28,982 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:28,983 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:28,983 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:28,983 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:28,983 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:28,983 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:28,983 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:28,983 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:28,983 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:28,984 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:28,984 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:28,985 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:28,985 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:28,985 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:28,985 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:28,986 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:28,986 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:28,986 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:28,986 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:28,987 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-05 00:20:29,001 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-06-05 00:20:29,013 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-05 00:20:29,013 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-05 00:20:29,013 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-05 00:20:29,013 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-05 00:20:29,013 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-05 00:20:29,013 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-05 00:20:29,014 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-05 00:20:29,014 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-05 00:20:29,020 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 58 places, 58 transitions, 121 flow [2021-06-05 00:20:29,034 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 290 states, 285 states have (on average 1.919298245614035) internal successors, (547), 289 states have internal predecessors, (547), 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) [2021-06-05 00:20:29,036 INFO L276 IsEmpty]: Start isEmpty. Operand has 290 states, 285 states have (on average 1.919298245614035) internal successors, (547), 289 states have internal predecessors, (547), 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) [2021-06-05 00:20:29,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-06-05 00:20:29,041 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 00:20:29,042 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 00:20:29,042 INFO L430 AbstractCegarLoop]: === Iteration 1 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 00:20:29,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 00:20:29,050 INFO L82 PathProgramCache]: Analyzing trace with hash 1444704092, now seen corresponding path program 1 times [2021-06-05 00:20:29,055 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 00:20:29,056 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45174504] [2021-06-05 00:20:29,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 00:20:29,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 00:20:29,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 00:20:29,303 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 00:20:29,303 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45174504] [2021-06-05 00:20:29,304 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [45174504] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 00:20:29,304 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 00:20:29,304 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-05 00:20:29,304 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922127753] [2021-06-05 00:20:29,308 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-05 00:20:29,308 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 00:20:29,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-05 00:20:29,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-06-05 00:20:29,323 INFO L87 Difference]: Start difference. First operand has 290 states, 285 states have (on average 1.919298245614035) internal successors, (547), 289 states have internal predecessors, (547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 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) [2021-06-05 00:20:29,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 00:20:29,408 INFO L93 Difference]: Finished difference Result 239 states and 414 transitions. [2021-06-05 00:20:29,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-05 00:20:29,409 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-06-05 00:20:29,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 00:20:29,418 INFO L225 Difference]: With dead ends: 239 [2021-06-05 00:20:29,418 INFO L226 Difference]: Without dead ends: 160 [2021-06-05 00:20:29,419 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 65.4ms TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-06-05 00:20:29,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2021-06-05 00:20:29,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2021-06-05 00:20:29,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 159 states have (on average 1.6918238993710693) internal successors, (269), 159 states have internal predecessors, (269), 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) [2021-06-05 00:20:29,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 269 transitions. [2021-06-05 00:20:29,462 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 269 transitions. Word has length 36 [2021-06-05 00:20:29,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 00:20:29,463 INFO L482 AbstractCegarLoop]: Abstraction has 160 states and 269 transitions. [2021-06-05 00:20:29,463 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 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) [2021-06-05 00:20:29,464 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 269 transitions. [2021-06-05 00:20:29,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-06-05 00:20:29,465 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 00:20:29,465 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 00:20:29,466 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-05 00:20:29,466 INFO L430 AbstractCegarLoop]: === Iteration 2 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-05 00:20:29,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 00:20:29,468 INFO L82 PathProgramCache]: Analyzing trace with hash -48038796, now seen corresponding path program 1 times [2021-06-05 00:20:29,469 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 00:20:29,469 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672025152] [2021-06-05 00:20:29,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 00:20:29,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-05 00:20:29,502 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-05 00:20:29,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-05 00:20:29,535 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-05 00:20:29,554 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-06-05 00:20:29,555 INFO L622 BasicCegarLoop]: Counterexample might be feasible [2021-06-05 00:20:29,555 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-05 00:20:29,556 WARN L242 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2021-06-05 00:20:29,556 INFO L510 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2021-06-05 00:20:29,570 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:29,570 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:29,570 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:29,570 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:29,571 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:29,571 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:29,571 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:29,571 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:29,571 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:29,571 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:29,571 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:29,571 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:29,571 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:29,571 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:29,572 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:29,572 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:29,572 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:29,572 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:29,572 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:29,572 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:29,572 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:29,572 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:29,572 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:29,572 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:29,573 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:29,573 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:29,573 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:29,573 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:29,573 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:29,573 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:29,573 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:29,574 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:29,574 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:29,574 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:29,574 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:29,574 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:29,574 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:29,574 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:29,575 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:29,575 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:29,575 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:29,575 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:29,575 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:29,575 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:29,575 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:29,575 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:29,575 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:29,575 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:29,576 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:29,576 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:29,576 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:29,576 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:29,576 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:29,576 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:29,576 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:29,576 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:29,576 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:29,576 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:29,577 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:29,580 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:29,580 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:29,580 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:29,581 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:29,581 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:29,581 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:29,581 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:29,581 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:29,581 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:29,582 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:29,582 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:29,582 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:29,582 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:29,583 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:29,584 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:29,584 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:29,584 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:29,584 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:29,584 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:29,584 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:29,584 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:29,586 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-05 00:20:29,586 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-06-05 00:20:29,588 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-05 00:20:29,589 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-05 00:20:29,589 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-05 00:20:29,589 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-05 00:20:29,589 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-05 00:20:29,589 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-05 00:20:29,589 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-05 00:20:29,589 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-05 00:20:29,593 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 75 places, 74 transitions, 160 flow [2021-06-05 00:20:29,705 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 4100 states, 4089 states have (on average 2.9364147713377355) internal successors, (12007), 4099 states have internal predecessors, (12007), 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) [2021-06-05 00:20:29,715 INFO L276 IsEmpty]: Start isEmpty. Operand has 4100 states, 4089 states have (on average 2.9364147713377355) internal successors, (12007), 4099 states have internal predecessors, (12007), 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) [2021-06-05 00:20:29,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-06-05 00:20:29,720 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 00:20:29,720 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 00:20:29,720 INFO L430 AbstractCegarLoop]: === Iteration 1 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-06-05 00:20:29,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 00:20:29,721 INFO L82 PathProgramCache]: Analyzing trace with hash -2135097749, now seen corresponding path program 1 times [2021-06-05 00:20:29,721 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 00:20:29,721 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437824668] [2021-06-05 00:20:29,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 00:20:29,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 00:20:29,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 00:20:29,812 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 00:20:29,813 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437824668] [2021-06-05 00:20:29,813 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [437824668] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 00:20:29,813 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 00:20:29,813 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-05 00:20:29,813 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571780979] [2021-06-05 00:20:29,813 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-05 00:20:29,813 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 00:20:29,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-05 00:20:29,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-06-05 00:20:29,823 INFO L87 Difference]: Start difference. First operand has 4100 states, 4089 states have (on average 2.9364147713377355) internal successors, (12007), 4099 states have internal predecessors, (12007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 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) [2021-06-05 00:20:29,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 00:20:29,935 INFO L93 Difference]: Finished difference Result 3593 states and 9640 transitions. [2021-06-05 00:20:29,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-05 00:20:29,938 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-06-05 00:20:29,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 00:20:29,951 INFO L225 Difference]: With dead ends: 3593 [2021-06-05 00:20:29,952 INFO L226 Difference]: Without dead ends: 3184 [2021-06-05 00:20:29,952 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 44.6ms TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-06-05 00:20:29,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3184 states. [2021-06-05 00:20:30,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3184 to 3019. [2021-06-05 00:20:30,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3019 states, 3014 states have (on average 2.7076974120769743) internal successors, (8161), 3018 states have internal predecessors, (8161), 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) [2021-06-05 00:20:30,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3019 states to 3019 states and 8161 transitions. [2021-06-05 00:20:30,038 INFO L78 Accepts]: Start accepts. Automaton has 3019 states and 8161 transitions. Word has length 36 [2021-06-05 00:20:30,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 00:20:30,038 INFO L482 AbstractCegarLoop]: Abstraction has 3019 states and 8161 transitions. [2021-06-05 00:20:30,039 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 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) [2021-06-05 00:20:30,039 INFO L276 IsEmpty]: Start isEmpty. Operand 3019 states and 8161 transitions. [2021-06-05 00:20:30,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-06-05 00:20:30,040 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 00:20:30,040 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 00:20:30,040 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-05 00:20:30,040 INFO L430 AbstractCegarLoop]: === Iteration 2 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-06-05 00:20:30,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 00:20:30,041 INFO L82 PathProgramCache]: Analyzing trace with hash 833705753, now seen corresponding path program 1 times [2021-06-05 00:20:30,041 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 00:20:30,041 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816827292] [2021-06-05 00:20:30,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 00:20:30,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 00:20:30,094 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-05 00:20:30,094 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 00:20:30,094 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816827292] [2021-06-05 00:20:30,095 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [816827292] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 00:20:30,095 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 00:20:30,095 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-05 00:20:30,095 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047870978] [2021-06-05 00:20:30,095 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-05 00:20:30,095 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 00:20:30,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-05 00:20:30,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-06-05 00:20:30,096 INFO L87 Difference]: Start difference. First operand 3019 states and 8161 transitions. Second operand has 7 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 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) [2021-06-05 00:20:30,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 00:20:30,196 INFO L93 Difference]: Finished difference Result 3031 states and 8034 transitions. [2021-06-05 00:20:30,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-05 00:20:30,196 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 46 [2021-06-05 00:20:30,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 00:20:30,206 INFO L225 Difference]: With dead ends: 3031 [2021-06-05 00:20:30,206 INFO L226 Difference]: Without dead ends: 2887 [2021-06-05 00:20:30,207 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 61.1ms TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-06-05 00:20:30,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2887 states. [2021-06-05 00:20:30,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2887 to 2722. [2021-06-05 00:20:30,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2722 states, 2717 states have (on average 2.660287081339713) internal successors, (7228), 2721 states have internal predecessors, (7228), 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) [2021-06-05 00:20:30,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2722 states to 2722 states and 7228 transitions. [2021-06-05 00:20:30,256 INFO L78 Accepts]: Start accepts. Automaton has 2722 states and 7228 transitions. Word has length 46 [2021-06-05 00:20:30,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 00:20:30,256 INFO L482 AbstractCegarLoop]: Abstraction has 2722 states and 7228 transitions. [2021-06-05 00:20:30,257 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 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) [2021-06-05 00:20:30,257 INFO L276 IsEmpty]: Start isEmpty. Operand 2722 states and 7228 transitions. [2021-06-05 00:20:30,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-06-05 00:20:30,258 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 00:20:30,258 INFO L521 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 00:20:30,258 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-05 00:20:30,258 INFO L430 AbstractCegarLoop]: === Iteration 3 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-06-05 00:20:30,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 00:20:30,258 INFO L82 PathProgramCache]: Analyzing trace with hash 1193079360, now seen corresponding path program 1 times [2021-06-05 00:20:30,258 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 00:20:30,259 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246537543] [2021-06-05 00:20:30,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 00:20:30,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-05 00:20:30,268 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-05 00:20:30,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-05 00:20:30,276 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-05 00:20:30,281 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-06-05 00:20:30,281 INFO L622 BasicCegarLoop]: Counterexample might be feasible [2021-06-05 00:20:30,281 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-05 00:20:30,281 WARN L242 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2021-06-05 00:20:30,281 INFO L510 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2021-06-05 00:20:30,287 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,287 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,288 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,288 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,288 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,288 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,288 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,288 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,288 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,288 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,288 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,288 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,288 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,288 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,288 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,288 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,289 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,289 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,289 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,289 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,289 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,289 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,289 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,289 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,289 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,289 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,289 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,289 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,289 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,289 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,289 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,290 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,290 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,290 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,290 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,290 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,290 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,290 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,290 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,290 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,290 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,290 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,290 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,290 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,290 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,290 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,290 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,291 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,291 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,291 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,291 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,291 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,291 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,291 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,291 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,291 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,291 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,291 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,291 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,291 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,291 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,291 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,292 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,292 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,292 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,292 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,292 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,292 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,292 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,292 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,292 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,292 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,292 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,292 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,292 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,293 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,293 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,293 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,293 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,293 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,293 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,293 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,293 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,293 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,293 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,293 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,293 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,293 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,293 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,293 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,294 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,294 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,294 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,294 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,294 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,294 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,294 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,294 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,295 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,295 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,295 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,295 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,295 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,295 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,296 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,296 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,296 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,296 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,296 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,296 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,296 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,296 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,297 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,297 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,297 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,297 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,298 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,298 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,298 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,298 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:30,303 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-05 00:20:30,303 INFO L255 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-06-05 00:20:30,304 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-05 00:20:30,304 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-05 00:20:30,304 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-05 00:20:30,304 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-05 00:20:30,304 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-05 00:20:30,304 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-05 00:20:30,304 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-05 00:20:30,304 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-05 00:20:30,305 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 92 places, 90 transitions, 201 flow [2021-06-05 00:20:37,433 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 61250 states, 61227 states have (on average 3.9371029121139367) internal successors, (241057), 61249 states have internal predecessors, (241057), 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) [2021-06-05 00:20:37,538 INFO L276 IsEmpty]: Start isEmpty. Operand has 61250 states, 61227 states have (on average 3.9371029121139367) internal successors, (241057), 61249 states have internal predecessors, (241057), 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) [2021-06-05 00:20:37,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-06-05 00:20:37,539 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 00:20:37,539 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 00:20:37,540 INFO L430 AbstractCegarLoop]: === Iteration 1 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-06-05 00:20:37,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 00:20:37,540 INFO L82 PathProgramCache]: Analyzing trace with hash 563397242, now seen corresponding path program 1 times [2021-06-05 00:20:37,540 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 00:20:37,540 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853000847] [2021-06-05 00:20:37,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 00:20:37,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 00:20:37,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 00:20:37,589 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 00:20:37,589 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853000847] [2021-06-05 00:20:37,589 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853000847] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 00:20:37,589 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 00:20:37,589 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-05 00:20:37,589 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447388350] [2021-06-05 00:20:37,589 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-05 00:20:37,589 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 00:20:37,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-05 00:20:37,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-06-05 00:20:37,849 INFO L87 Difference]: Start difference. First operand has 61250 states, 61227 states have (on average 3.9371029121139367) internal successors, (241057), 61249 states have internal predecessors, (241057), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 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) [2021-06-05 00:20:38,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 00:20:38,464 INFO L93 Difference]: Finished difference Result 56129 states and 202038 transitions. [2021-06-05 00:20:38,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-05 00:20:38,465 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-06-05 00:20:38,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 00:20:38,695 INFO L225 Difference]: With dead ends: 56129 [2021-06-05 00:20:38,695 INFO L226 Difference]: Without dead ends: 53890 [2021-06-05 00:20:38,696 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 38.7ms TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-06-05 00:20:39,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53890 states. [2021-06-05 00:20:40,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53890 to 47995. [2021-06-05 00:20:40,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47995 states, 47980 states have (on average 3.6329929137140473) internal successors, (174311), 47994 states have internal predecessors, (174311), 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) [2021-06-05 00:20:40,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47995 states to 47995 states and 174311 transitions. [2021-06-05 00:20:40,723 INFO L78 Accepts]: Start accepts. Automaton has 47995 states and 174311 transitions. Word has length 36 [2021-06-05 00:20:40,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 00:20:40,723 INFO L482 AbstractCegarLoop]: Abstraction has 47995 states and 174311 transitions. [2021-06-05 00:20:40,724 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 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) [2021-06-05 00:20:40,724 INFO L276 IsEmpty]: Start isEmpty. Operand 47995 states and 174311 transitions. [2021-06-05 00:20:40,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-06-05 00:20:40,725 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 00:20:40,725 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 00:20:40,725 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-05 00:20:40,726 INFO L430 AbstractCegarLoop]: === Iteration 2 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-06-05 00:20:40,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 00:20:40,726 INFO L82 PathProgramCache]: Analyzing trace with hash -480086985, now seen corresponding path program 1 times [2021-06-05 00:20:40,726 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 00:20:40,726 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043154703] [2021-06-05 00:20:40,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 00:20:40,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 00:20:40,772 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-05 00:20:40,772 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 00:20:40,772 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043154703] [2021-06-05 00:20:40,772 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1043154703] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 00:20:40,772 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 00:20:40,772 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-05 00:20:40,773 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331641642] [2021-06-05 00:20:40,773 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-05 00:20:40,773 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 00:20:40,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-05 00:20:40,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-06-05 00:20:40,773 INFO L87 Difference]: Start difference. First operand 47995 states and 174311 transitions. Second operand has 7 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 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) [2021-06-05 00:20:41,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 00:20:41,305 INFO L93 Difference]: Finished difference Result 55159 states and 196907 transitions. [2021-06-05 00:20:41,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-05 00:20:41,306 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 46 [2021-06-05 00:20:41,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 00:20:41,534 INFO L225 Difference]: With dead ends: 55159 [2021-06-05 00:20:41,534 INFO L226 Difference]: Without dead ends: 54295 [2021-06-05 00:20:41,534 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 34.3ms TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-06-05 00:20:41,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54295 states. [2021-06-05 00:20:42,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54295 to 47905. [2021-06-05 00:20:42,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47905 states, 47890 states have (on average 3.6031739402798078) internal successors, (172556), 47904 states have internal predecessors, (172556), 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) [2021-06-05 00:20:43,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47905 states to 47905 states and 172556 transitions. [2021-06-05 00:20:43,066 INFO L78 Accepts]: Start accepts. Automaton has 47905 states and 172556 transitions. Word has length 46 [2021-06-05 00:20:43,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 00:20:43,068 INFO L482 AbstractCegarLoop]: Abstraction has 47905 states and 172556 transitions. [2021-06-05 00:20:43,068 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 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) [2021-06-05 00:20:43,068 INFO L276 IsEmpty]: Start isEmpty. Operand 47905 states and 172556 transitions. [2021-06-05 00:20:43,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-06-05 00:20:43,071 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 00:20:43,071 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 00:20:43,071 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-06-05 00:20:43,071 INFO L430 AbstractCegarLoop]: === Iteration 3 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-06-05 00:20:43,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 00:20:43,072 INFO L82 PathProgramCache]: Analyzing trace with hash -738494076, now seen corresponding path program 1 times [2021-06-05 00:20:43,072 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 00:20:43,072 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259310212] [2021-06-05 00:20:43,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 00:20:43,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 00:20:43,154 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 00:20:43,154 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 00:20:43,154 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259310212] [2021-06-05 00:20:43,154 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [259310212] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 00:20:43,154 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1302723997] [2021-06-05 00:20:43,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 00:20:43,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 00:20:43,230 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 8 conjunts are in the unsatisfiable core [2021-06-05 00:20:43,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 00:20:43,463 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 00:20:43,463 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1302723997] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 00:20:43,463 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 00:20:43,463 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-06-05 00:20:43,463 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006436729] [2021-06-05 00:20:43,464 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-06-05 00:20:43,464 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 00:20:43,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-06-05 00:20:43,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2021-06-05 00:20:43,465 INFO L87 Difference]: Start difference. First operand 47905 states and 172556 transitions. Second operand has 16 states, 16 states have (on average 6.3125) internal successors, (101), 16 states have internal predecessors, (101), 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) [2021-06-05 00:20:44,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 00:20:44,288 INFO L93 Difference]: Finished difference Result 49552 states and 176699 transitions. [2021-06-05 00:20:44,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-05 00:20:44,288 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 6.3125) internal successors, (101), 16 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2021-06-05 00:20:44,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 00:20:44,602 INFO L225 Difference]: With dead ends: 49552 [2021-06-05 00:20:44,602 INFO L226 Difference]: Without dead ends: 48388 [2021-06-05 00:20:44,603 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 277 ImplicationChecksByTransitivity, 242.6ms TimeCoverageRelationStatistics Valid=291, Invalid=765, Unknown=0, NotChecked=0, Total=1056 [2021-06-05 00:20:44,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48388 states. [2021-06-05 00:20:45,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48388 to 41035. [2021-06-05 00:20:45,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41035 states, 41025 states have (on average 3.609043266301036) internal successors, (148061), 41034 states have internal predecessors, (148061), 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) [2021-06-05 00:20:45,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41035 states to 41035 states and 148061 transitions. [2021-06-05 00:20:45,809 INFO L78 Accepts]: Start accepts. Automaton has 41035 states and 148061 transitions. Word has length 55 [2021-06-05 00:20:45,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 00:20:45,809 INFO L482 AbstractCegarLoop]: Abstraction has 41035 states and 148061 transitions. [2021-06-05 00:20:45,809 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 6.3125) internal successors, (101), 16 states have internal predecessors, (101), 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) [2021-06-05 00:20:45,809 INFO L276 IsEmpty]: Start isEmpty. Operand 41035 states and 148061 transitions. [2021-06-05 00:20:45,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-06-05 00:20:45,812 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 00:20:45,812 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 00:20:46,013 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-06-05 00:20:46,014 INFO L430 AbstractCegarLoop]: === Iteration 4 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-06-05 00:20:46,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 00:20:46,014 INFO L82 PathProgramCache]: Analyzing trace with hash -1482144640, now seen corresponding path program 1 times [2021-06-05 00:20:46,014 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 00:20:46,014 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365953106] [2021-06-05 00:20:46,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 00:20:46,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 00:20:46,108 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 00:20:46,108 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 00:20:46,108 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365953106] [2021-06-05 00:20:46,108 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365953106] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 00:20:46,110 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [281837815] [2021-06-05 00:20:46,110 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 [2021-06-05 00:20:46,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 00:20:46,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 8 conjunts are in the unsatisfiable core [2021-06-05 00:20:46,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 00:20:46,413 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2021-06-05 00:20:46,587 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 00:20:46,587 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [281837815] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 00:20:46,588 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-06-05 00:20:46,588 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 16 [2021-06-05 00:20:46,588 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336016317] [2021-06-05 00:20:46,588 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-05 00:20:46,588 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 00:20:46,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-05 00:20:46,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2021-06-05 00:20:46,589 INFO L87 Difference]: Start difference. First operand 41035 states and 148061 transitions. Second operand has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 9 states have internal predecessors, (55), 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) [2021-06-05 00:20:47,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 00:20:47,015 INFO L93 Difference]: Finished difference Result 58315 states and 207650 transitions. [2021-06-05 00:20:47,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-05 00:20:47,015 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 9 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2021-06-05 00:20:47,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 00:20:47,174 INFO L225 Difference]: With dead ends: 58315 [2021-06-05 00:20:47,174 INFO L226 Difference]: Without dead ends: 57649 [2021-06-05 00:20:47,174 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 135.1ms TimeCoverageRelationStatistics Valid=144, Invalid=408, Unknown=0, NotChecked=0, Total=552 [2021-06-05 00:20:47,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57649 states. [2021-06-05 00:20:48,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57649 to 44173. [2021-06-05 00:20:48,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44173 states, 44163 states have (on average 3.6062088173357787) internal successors, (159261), 44172 states have internal predecessors, (159261), 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) [2021-06-05 00:20:48,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44173 states to 44173 states and 159261 transitions. [2021-06-05 00:20:48,705 INFO L78 Accepts]: Start accepts. Automaton has 44173 states and 159261 transitions. Word has length 55 [2021-06-05 00:20:48,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 00:20:48,706 INFO L482 AbstractCegarLoop]: Abstraction has 44173 states and 159261 transitions. [2021-06-05 00:20:48,706 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 9 states have internal predecessors, (55), 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) [2021-06-05 00:20:48,706 INFO L276 IsEmpty]: Start isEmpty. Operand 44173 states and 159261 transitions. [2021-06-05 00:20:48,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-06-05 00:20:48,709 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 00:20:48,709 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 00:20:48,910 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 00:20:48,910 INFO L430 AbstractCegarLoop]: === Iteration 5 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-06-05 00:20:48,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 00:20:48,910 INFO L82 PathProgramCache]: Analyzing trace with hash -1655901910, now seen corresponding path program 2 times [2021-06-05 00:20:48,910 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 00:20:48,910 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898785017] [2021-06-05 00:20:48,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 00:20:48,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 00:20:48,984 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-05 00:20:48,984 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 00:20:48,984 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898785017] [2021-06-05 00:20:48,984 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1898785017] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 00:20:48,984 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 00:20:48,984 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-06-05 00:20:48,984 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356596548] [2021-06-05 00:20:48,985 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-05 00:20:48,985 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 00:20:48,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-05 00:20:48,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-06-05 00:20:48,985 INFO L87 Difference]: Start difference. First operand 44173 states and 159261 transitions. Second operand has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 9 states have internal predecessors, (51), 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) [2021-06-05 00:20:49,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 00:20:49,461 INFO L93 Difference]: Finished difference Result 74326 states and 260330 transitions. [2021-06-05 00:20:49,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-05 00:20:49,462 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 9 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2021-06-05 00:20:49,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 00:20:49,960 INFO L225 Difference]: With dead ends: 74326 [2021-06-05 00:20:49,960 INFO L226 Difference]: Without dead ends: 73120 [2021-06-05 00:20:49,960 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 85.8ms TimeCoverageRelationStatistics Valid=87, Invalid=219, Unknown=0, NotChecked=0, Total=306 [2021-06-05 00:20:50,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73120 states. [2021-06-05 00:20:51,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73120 to 37639. [2021-06-05 00:20:51,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37639 states, 37632 states have (on average 3.619419642857143) internal successors, (136206), 37638 states have internal predecessors, (136206), 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) [2021-06-05 00:20:51,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37639 states to 37639 states and 136206 transitions. [2021-06-05 00:20:51,162 INFO L78 Accepts]: Start accepts. Automaton has 37639 states and 136206 transitions. Word has length 55 [2021-06-05 00:20:51,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 00:20:51,162 INFO L482 AbstractCegarLoop]: Abstraction has 37639 states and 136206 transitions. [2021-06-05 00:20:51,162 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 9 states have internal predecessors, (51), 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) [2021-06-05 00:20:51,162 INFO L276 IsEmpty]: Start isEmpty. Operand 37639 states and 136206 transitions. [2021-06-05 00:20:51,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-06-05 00:20:51,166 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 00:20:51,166 INFO L521 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 00:20:51,166 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-06-05 00:20:51,166 INFO L430 AbstractCegarLoop]: === Iteration 6 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-06-05 00:20:51,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 00:20:51,166 INFO L82 PathProgramCache]: Analyzing trace with hash -1497668043, now seen corresponding path program 1 times [2021-06-05 00:20:51,166 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 00:20:51,166 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454155509] [2021-06-05 00:20:51,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 00:20:51,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 00:20:51,212 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-06-05 00:20:51,212 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 00:20:51,212 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454155509] [2021-06-05 00:20:51,212 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454155509] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 00:20:51,212 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 00:20:51,212 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-05 00:20:51,212 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678407963] [2021-06-05 00:20:51,212 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-05 00:20:51,213 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 00:20:51,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-05 00:20:51,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-06-05 00:20:51,213 INFO L87 Difference]: Start difference. First operand 37639 states and 136206 transitions. Second operand has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 7 states have internal predecessors, (43), 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) [2021-06-05 00:20:51,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 00:20:51,464 INFO L93 Difference]: Finished difference Result 44146 states and 156426 transitions. [2021-06-05 00:20:51,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-05 00:20:51,464 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 7 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-06-05 00:20:51,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 00:20:51,564 INFO L225 Difference]: With dead ends: 44146 [2021-06-05 00:20:51,565 INFO L226 Difference]: Without dead ends: 42994 [2021-06-05 00:20:51,565 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 32.5ms TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-06-05 00:20:52,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42994 states. [2021-06-05 00:20:52,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42994 to 36946. [2021-06-05 00:20:52,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36946 states, 36939 states have (on average 3.5784130593681476) internal successors, (132183), 36945 states have internal predecessors, (132183), 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) [2021-06-05 00:20:52,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36946 states to 36946 states and 132183 transitions. [2021-06-05 00:20:52,807 INFO L78 Accepts]: Start accepts. Automaton has 36946 states and 132183 transitions. Word has length 56 [2021-06-05 00:20:52,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 00:20:52,808 INFO L482 AbstractCegarLoop]: Abstraction has 36946 states and 132183 transitions. [2021-06-05 00:20:52,808 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 7 states have internal predecessors, (43), 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) [2021-06-05 00:20:52,808 INFO L276 IsEmpty]: Start isEmpty. Operand 36946 states and 132183 transitions. [2021-06-05 00:20:52,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-06-05 00:20:52,813 INFO L513 BasicCegarLoop]: Found error trace [2021-06-05 00:20:52,813 INFO L521 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 00:20:52,813 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-06-05 00:20:52,813 INFO L430 AbstractCegarLoop]: === Iteration 7 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-06-05 00:20:52,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 00:20:52,814 INFO L82 PathProgramCache]: Analyzing trace with hash 1466785323, now seen corresponding path program 1 times [2021-06-05 00:20:52,814 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 00:20:52,814 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797864137] [2021-06-05 00:20:52,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 00:20:52,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-05 00:20:52,821 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-05 00:20:52,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-05 00:20:52,826 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-05 00:20:52,833 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-06-05 00:20:52,833 INFO L622 BasicCegarLoop]: Counterexample might be feasible [2021-06-05 00:20:52,833 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-06-05 00:20:52,833 WARN L242 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2021-06-05 00:20:52,833 INFO L510 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2021-06-05 00:20:52,844 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,844 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,844 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,844 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,844 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,844 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,844 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,844 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,844 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,844 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,844 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,844 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,844 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,845 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,845 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,845 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,845 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,845 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,845 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,845 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,845 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,845 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,845 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,845 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,845 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,845 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,845 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,845 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,845 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,846 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,846 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,846 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,846 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,846 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,846 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,846 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,846 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,846 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,846 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,846 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,846 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,846 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,846 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,846 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,846 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,846 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,847 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,847 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,847 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,847 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,847 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,847 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,847 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,847 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,847 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,847 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,847 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,847 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,847 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,847 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,847 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,847 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,847 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,848 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,848 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,848 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,848 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,848 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,848 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,848 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,848 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,848 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,848 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,848 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,848 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,848 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,848 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,848 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,848 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,849 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,849 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,849 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,849 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,849 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,849 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,849 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,849 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,849 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,849 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,849 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,849 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,849 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,849 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,849 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,849 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,849 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,850 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,850 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,850 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,850 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,850 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,850 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,850 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,850 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,850 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,850 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,850 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,850 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,850 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,850 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,850 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,850 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,850 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,851 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,851 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,851 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,851 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,851 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,851 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,851 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,851 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,851 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,851 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,851 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,851 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,851 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,851 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,851 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,852 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,852 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,852 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,852 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,852 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,852 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,852 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,852 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,854 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,855 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,855 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,855 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,855 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,855 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,855 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,855 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,856 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,856 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,856 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,856 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,856 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,856 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,856 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,856 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,857 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_incs_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,857 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_inct_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,857 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,857 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,857 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,857 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,857 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,857 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 00:20:52,858 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-05 00:20:52,859 INFO L255 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-06-05 00:20:52,859 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-05 00:20:52,859 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-05 00:20:52,859 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-05 00:20:52,859 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-05 00:20:52,859 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-05 00:20:52,859 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-05 00:20:52,859 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-05 00:20:52,859 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-05 00:20:52,864 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 109 places, 106 transitions, 244 flow Received shutdown request... [2021-06-05 00:34:56,766 WARN L547 AbstractCegarLoop]: Verification canceled [2021-06-05 00:34:56,768 INFO L246 ceAbstractionStarter]: Analysis of concurrent program completed with 4 thread instances [2021-06-05 00:34:56,770 WARN L196 ceAbstractionStarter]: Timeout [2021-06-05 00:34:56,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.06 12:34:56 BasicIcfg [2021-06-05 00:34:56,770 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-05 00:34:56,770 INFO L168 Benchmark]: Toolchain (without parser) took 868541.96 ms. Allocated memory was 404.8 MB in the beginning and 11.7 GB in the end (delta: 11.3 GB). Free memory was 367.5 MB in the beginning and 7.9 GB in the end (delta: -7.6 GB). Peak memory consumption was 6.7 GB. Max. memory is 16.0 GB. [2021-06-05 00:34:56,770 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 404.8 MB. Free memory is still 385.6 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-06-05 00:34:56,770 INFO L168 Benchmark]: CACSL2BoogieTranslator took 325.51 ms. Allocated memory is still 404.8 MB. Free memory was 367.3 MB in the beginning and 367.6 MB in the end (delta: -355.1 kB). Peak memory consumption was 10.7 MB. Max. memory is 16.0 GB. [2021-06-05 00:34:56,770 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.15 ms. Allocated memory is still 404.8 MB. Free memory was 367.6 MB in the beginning and 366.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-05 00:34:56,770 INFO L168 Benchmark]: Boogie Preprocessor took 33.91 ms. Allocated memory is still 404.8 MB. Free memory was 366.6 MB in the beginning and 364.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-05 00:34:56,771 INFO L168 Benchmark]: RCFGBuilder took 313.24 ms. Allocated memory is still 404.8 MB. Free memory was 364.5 MB in the beginning and 341.4 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. [2021-06-05 00:34:56,771 INFO L168 Benchmark]: TraceAbstraction took 867810.90 ms. Allocated memory was 404.8 MB in the beginning and 11.7 GB in the end (delta: 11.3 GB). Free memory was 341.4 MB in the beginning and 7.9 GB in the end (delta: -7.6 GB). Peak memory consumption was 6.6 GB. Max. memory is 16.0 GB. [2021-06-05 00:34:56,771 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 404.8 MB. Free memory is still 385.6 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 325.51 ms. Allocated memory is still 404.8 MB. Free memory was 367.3 MB in the beginning and 367.6 MB in the end (delta: -355.1 kB). Peak memory consumption was 10.7 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 46.15 ms. Allocated memory is still 404.8 MB. Free memory was 367.6 MB in the beginning and 366.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 33.91 ms. Allocated memory is still 404.8 MB. Free memory was 366.6 MB in the beginning and 364.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 313.24 ms. Allocated memory is still 404.8 MB. Free memory was 364.5 MB in the beginning and 341.4 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. * TraceAbstraction took 867810.90 ms. Allocated memory was 404.8 MB in the beginning and 11.7 GB in the end (delta: 11.3 GB). Free memory was 341.4 MB in the beginning and 7.9 GB in the end (delta: -7.6 GB). Peak memory consumption was 6.6 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 690]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 109 places, 106 transitions, 244 flow. Already constructed 572138 states. Currently 47927 states in worklist.. - TimeoutResultAtElement [Line: 722]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 109 places, 106 transitions, 244 flow. Already constructed 572138 states. Currently 47927 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 71 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 544.7ms, OverallIterations: 2, TraceHistogramMax: 2, EmptinessCheckTime: 8.8ms, AutomataDifference: 110.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 20.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 95 SDtfs, 136 SDslu, 255 SDs, 0 SdLazy, 21 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 65.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=290occurred in iteration=0, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 34.1ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 6.2ms SsaConstructionTime, 49.4ms SatisfiabilityAnalysisTime, 158.8ms InterpolantComputationTime, 74 NumberOfCodeBlocks, 74 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 35 ConstructedInterpolants, 0 QuantifiedInterpolants, 158 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data with 2 thread instances CFG has 4 procedures, 86 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 692.6ms, OverallIterations: 3, TraceHistogramMax: 3, EmptinessCheckTime: 16.5ms, AutomataDifference: 249.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 116.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 263 SDtfs, 470 SDslu, 743 SDs, 0 SdLazy, 140 SolverSat, 20 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 75.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 105.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=4100occurred in iteration=0, InterpolantAutomatonStates: 20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 134.9ms AutomataMinimizationTime, 2 MinimizatonAttempts, 330 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 3.9ms SsaConstructionTime, 17.4ms SatisfiabilityAnalysisTime, 111.7ms InterpolantComputationTime, 130 NumberOfCodeBlocks, 130 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 80 ConstructedInterpolants, 0 QuantifiedInterpolants, 386 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 5/5 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 - StatisticsResult: Ultimate Automizer benchmark data with 3 thread instances CFG has 5 procedures, 101 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 22529.5ms, OverallIterations: 7, TraceHistogramMax: 4, EmptinessCheckTime: 124.5ms, AutomataDifference: 4919.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 7128.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1197 SDtfs, 3625 SDslu, 4524 SDs, 0 SdLazy, 946 SolverSat, 297 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 480.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 199 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 480 ImplicationChecksByTransitivity, 569.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=61250occurred in iteration=0, InterpolantAutomatonStates: 87, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 8739.5ms AutomataMinimizationTime, 6 MinimizatonAttempts, 74643 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 36.0ms SsaConstructionTime, 67.8ms SatisfiabilityAnalysisTime, 957.7ms InterpolantComputationTime, 471 NumberOfCodeBlocks, 471 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 405 ConstructedInterpolants, 0 QuantifiedInterpolants, 2083 SizeOfPredicates, 6 NumberOfNonLiveVariables, 242 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 35/50 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 - StatisticsResult: Ultimate Automizer benchmark data with 4 thread instances CFG has 6 procedures, 116 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 843907.5ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 843906.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, 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: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown