/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf -i ../../../trunk/examples/svcomp/pthread-lit/fkp2014.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c7e336b [2020-10-06 01:14:44,802 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-06 01:14:44,805 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-06 01:14:44,840 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-06 01:14:44,841 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-06 01:14:44,849 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-06 01:14:44,851 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-06 01:14:44,855 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-06 01:14:44,857 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-06 01:14:44,861 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-06 01:14:44,862 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-06 01:14:44,863 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-06 01:14:44,863 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-06 01:14:44,866 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-06 01:14:44,868 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-06 01:14:44,870 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-06 01:14:44,871 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-06 01:14:44,872 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-06 01:14:44,873 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-06 01:14:44,881 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-06 01:14:44,882 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-06 01:14:44,883 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-06 01:14:44,885 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-06 01:14:44,886 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-06 01:14:44,896 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-06 01:14:44,902 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-06 01:14:44,903 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-06 01:14:44,904 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-06 01:14:44,905 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-06 01:14:44,906 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-06 01:14:44,906 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-06 01:14:44,907 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-06 01:14:44,907 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-06 01:14:44,907 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-06 01:14:44,908 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-06 01:14:44,909 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-06 01:14:44,910 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf [2020-10-06 01:14:44,948 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-06 01:14:44,948 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-06 01:14:44,950 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-06 01:14:44,950 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-06 01:14:44,950 INFO L138 SettingsManager]: * Use SBE=true [2020-10-06 01:14:44,950 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-06 01:14:44,950 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-06 01:14:44,951 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-06 01:14:44,951 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-06 01:14:44,951 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-06 01:14:44,952 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-06 01:14:44,952 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-06 01:14:44,952 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-06 01:14:44,953 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-06 01:14:44,953 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-06 01:14:44,953 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-06 01:14:44,953 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-06 01:14:44,953 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-06 01:14:44,954 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-06 01:14:44,954 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-06 01:14:44,954 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-06 01:14:44,954 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-06 01:14:44,954 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-06 01:14:44,955 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-06 01:14:44,955 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-06 01:14:44,955 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-06 01:14:44,955 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-06 01:14:44,955 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-10-06 01:14:44,956 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-06 01:14:44,956 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-06 01:14:44,956 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-10-06 01:14:45,247 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-06 01:14:45,259 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-06 01:14:45,262 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-06 01:14:45,263 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-06 01:14:45,264 INFO L275 PluginConnector]: CDTParser initialized [2020-10-06 01:14:45,265 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-lit/fkp2014.i [2020-10-06 01:14:45,325 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80a4db9f5/da9c7e6788f14f36ae456210bec57e98/FLAG35868e78f [2020-10-06 01:14:45,825 INFO L306 CDTParser]: Found 1 translation units. [2020-10-06 01:14:45,826 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-lit/fkp2014.i [2020-10-06 01:14:45,837 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80a4db9f5/da9c7e6788f14f36ae456210bec57e98/FLAG35868e78f [2020-10-06 01:14:46,163 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80a4db9f5/da9c7e6788f14f36ae456210bec57e98 [2020-10-06 01:14:46,173 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-06 01:14:46,175 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-06 01:14:46,176 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-06 01:14:46,176 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-06 01:14:46,180 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-06 01:14:46,181 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.10 01:14:46" (1/1) ... [2020-10-06 01:14:46,184 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cc3789b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:14:46, skipping insertion in model container [2020-10-06 01:14:46,184 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.10 01:14:46" (1/1) ... [2020-10-06 01:14:46,191 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-06 01:14:46,247 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-06 01:14:46,693 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-06 01:14:46,703 INFO L203 MainTranslator]: Completed pre-run [2020-10-06 01:14:46,741 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-06 01:14:46,832 INFO L208 MainTranslator]: Completed translation [2020-10-06 01:14:46,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:14:46 WrapperNode [2020-10-06 01:14:46,834 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-06 01:14:46,834 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-06 01:14:46,835 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-06 01:14:46,835 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-06 01:14:46,844 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:14:46" (1/1) ... [2020-10-06 01:14:46,878 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:14:46" (1/1) ... [2020-10-06 01:14:46,906 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-06 01:14:46,907 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-06 01:14:46,907 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-06 01:14:46,907 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-06 01:14:46,916 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:14:46" (1/1) ... [2020-10-06 01:14:46,917 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:14:46" (1/1) ... [2020-10-06 01:14:46,925 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:14:46" (1/1) ... [2020-10-06 01:14:46,925 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:14:46" (1/1) ... [2020-10-06 01:14:46,939 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:14:46" (1/1) ... [2020-10-06 01:14:46,943 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:14:46" (1/1) ... [2020-10-06 01:14:46,948 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:14:46" (1/1) ... [2020-10-06 01:14:46,956 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-06 01:14:46,957 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-06 01:14:46,957 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-06 01:14:46,957 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-06 01:14:46,958 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:14:46" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-06 01:14:47,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-06 01:14:47,016 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-06 01:14:47,016 INFO L130 BoogieDeclarations]: Found specification of procedure thr [2020-10-06 01:14:47,016 INFO L138 BoogieDeclarations]: Found implementation of procedure thr [2020-10-06 01:14:47,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-06 01:14:47,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-06 01:14:47,017 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-06 01:14:47,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-06 01:14:47,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-06 01:14:47,019 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-06 01:14:47,376 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-06 01:14:47,377 INFO L298 CfgBuilder]: Removed 13 assume(true) statements. [2020-10-06 01:14:47,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 01:14:47 BoogieIcfgContainer [2020-10-06 01:14:47,379 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-06 01:14:47,381 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-06 01:14:47,381 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-06 01:14:47,384 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-06 01:14:47,384 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.10 01:14:46" (1/3) ... [2020-10-06 01:14:47,385 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4adfc97a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 01:14:47, skipping insertion in model container [2020-10-06 01:14:47,385 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 01:14:46" (2/3) ... [2020-10-06 01:14:47,385 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4adfc97a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 01:14:47, skipping insertion in model container [2020-10-06 01:14:47,386 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 01:14:47" (3/3) ... [2020-10-06 01:14:47,388 INFO L109 eAbstractionObserver]: Analyzing ICFG fkp2014.i [2020-10-06 01:14:47,398 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-06 01:14:47,398 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-06 01:14:47,404 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-06 01:14:47,405 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-06 01:14:47,428 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:47,428 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:47,429 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:47,429 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:47,430 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:47,430 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:47,430 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:47,430 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:47,431 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:47,431 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:47,431 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:47,432 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:47,432 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:47,432 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:47,433 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:47,433 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:47,436 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:47,437 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:47,437 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:47,437 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:47,437 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:47,438 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:47,438 WARN L313 ript$VariableManager]: TermVariabe thrThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:47,438 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:47,458 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-06 01:14:47,475 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-06 01:14:47,476 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-06 01:14:47,476 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-06 01:14:47,476 INFO L378 AbstractCegarLoop]: Backedges is MCR [2020-10-06 01:14:47,476 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-06 01:14:47,476 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-06 01:14:47,477 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-06 01:14:47,477 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-06 01:14:47,490 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 50 places, 50 transitions, 105 flow [2020-10-06 01:14:47,492 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 50 places, 50 transitions, 105 flow [2020-10-06 01:14:47,530 INFO L129 PetriNetUnfolder]: 4/59 cut-off events. [2020-10-06 01:14:47,531 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-06 01:14:47,535 INFO L80 FinitePrefix]: Finished finitePrefix Result has 64 conditions, 59 events. 4/59 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 62 event pairs, 0 based on Foata normal form. 0/52 useless extension candidates. Maximal degree in co-relation 30. Up to 4 conditions per place. [2020-10-06 01:14:47,537 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 50 places, 50 transitions, 105 flow [2020-10-06 01:14:47,555 INFO L129 PetriNetUnfolder]: 4/59 cut-off events. [2020-10-06 01:14:47,555 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-06 01:14:47,556 INFO L80 FinitePrefix]: Finished finitePrefix Result has 64 conditions, 59 events. 4/59 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 62 event pairs, 0 based on Foata normal form. 0/52 useless extension candidates. Maximal degree in co-relation 30. Up to 4 conditions per place. [2020-10-06 01:14:47,557 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 392 [2020-10-06 01:14:47,559 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-10-06 01:14:48,550 INFO L206 etLargeBlockEncoding]: Checked pairs total: 278 [2020-10-06 01:14:48,551 INFO L214 etLargeBlockEncoding]: Total number of compositions: 50 [2020-10-06 01:14:48,555 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 11 places, 8 transitions, 21 flow [2020-10-06 01:14:48,564 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 19 states. [2020-10-06 01:14:48,566 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2020-10-06 01:14:48,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-10-06 01:14:48,572 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:14:48,573 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-10-06 01:14:48,573 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 01:14:48,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:14:48,580 INFO L82 PathProgramCache]: Analyzing trace with hash 6946921, now seen corresponding path program 1 times [2020-10-06 01:14:48,605 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:14:48,605 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742310100] [2020-10-06 01:14:48,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:14:48,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:14:48,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 01:14:48,793 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742310100] [2020-10-06 01:14:48,793 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 01:14:48,794 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-06 01:14:48,794 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1681718233] [2020-10-06 01:14:48,795 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 01:14:48,798 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 01:14:48,811 INFO L258 McrAutomatonBuilder]: Finished intersection with 5 states and 4 transitions. [2020-10-06 01:14:48,811 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 01:14:48,815 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 01:14:48,816 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-06 01:14:48,817 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 01:14:48,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-06 01:14:48,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-06 01:14:48,834 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 3 states. [2020-10-06 01:14:48,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 01:14:48,845 INFO L93 Difference]: Finished difference Result 14 states and 17 transitions. [2020-10-06 01:14:48,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-06 01:14:48,847 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-10-06 01:14:48,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 01:14:48,855 INFO L225 Difference]: With dead ends: 14 [2020-10-06 01:14:48,855 INFO L226 Difference]: Without dead ends: 11 [2020-10-06 01:14:48,857 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-06 01:14:48,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2020-10-06 01:14:48,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2020-10-06 01:14:48,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-10-06 01:14:48,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 13 transitions. [2020-10-06 01:14:48,903 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 13 transitions. Word has length 4 [2020-10-06 01:14:48,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 01:14:48,903 INFO L479 AbstractCegarLoop]: Abstraction has 11 states and 13 transitions. [2020-10-06 01:14:48,903 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-06 01:14:48,903 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2020-10-06 01:14:48,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-10-06 01:14:48,904 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:14:48,904 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2020-10-06 01:14:48,904 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-06 01:14:48,905 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 01:14:48,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:14:48,905 INFO L82 PathProgramCache]: Analyzing trace with hash -1913958713, now seen corresponding path program 1 times [2020-10-06 01:14:48,908 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:14:48,909 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221257327] [2020-10-06 01:14:48,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:14:48,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-06 01:14:48,934 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-06 01:14:48,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-06 01:14:48,947 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-06 01:14:48,967 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-06 01:14:48,967 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-06 01:14:48,969 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-06 01:14:48,969 WARN L633 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-06 01:14:48,970 WARN L363 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-06 01:14:48,970 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2020-10-06 01:14:48,977 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:48,977 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:48,977 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:48,977 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:48,978 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:48,978 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:48,978 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:48,978 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:48,979 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:48,979 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:48,979 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:48,979 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:48,979 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:48,980 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:48,980 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:48,980 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:48,980 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:48,981 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:48,981 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:48,981 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:48,981 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:48,981 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:48,981 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:48,982 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:48,982 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:48,982 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:48,982 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:48,982 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:48,983 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:48,983 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:48,983 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:48,983 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:48,984 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:48,984 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:48,984 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:48,984 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:48,985 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:48,985 WARN L313 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:48,985 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:48,985 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:48,988 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:48,989 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:48,989 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:48,989 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:48,989 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:48,989 WARN L313 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:48,989 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:48,990 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:48,994 INFO L251 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-10-06 01:14:48,994 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-06 01:14:48,994 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-06 01:14:48,994 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-06 01:14:48,995 INFO L378 AbstractCegarLoop]: Backedges is MCR [2020-10-06 01:14:48,995 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-06 01:14:48,995 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-06 01:14:48,995 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-06 01:14:48,995 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-06 01:14:48,998 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 66 places, 65 transitions, 142 flow [2020-10-06 01:14:48,998 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 66 places, 65 transitions, 142 flow [2020-10-06 01:14:49,017 INFO L129 PetriNetUnfolder]: 6/87 cut-off events. [2020-10-06 01:14:49,017 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-10-06 01:14:49,018 INFO L80 FinitePrefix]: Finished finitePrefix Result has 97 conditions, 87 events. 6/87 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 133 event pairs, 0 based on Foata normal form. 0/76 useless extension candidates. Maximal degree in co-relation 60. Up to 6 conditions per place. [2020-10-06 01:14:49,021 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 66 places, 65 transitions, 142 flow [2020-10-06 01:14:49,037 INFO L129 PetriNetUnfolder]: 6/87 cut-off events. [2020-10-06 01:14:49,037 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-10-06 01:14:49,038 INFO L80 FinitePrefix]: Finished finitePrefix Result has 97 conditions, 87 events. 6/87 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 133 event pairs, 0 based on Foata normal form. 0/76 useless extension candidates. Maximal degree in co-relation 60. Up to 6 conditions per place. [2020-10-06 01:14:49,040 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 1204 [2020-10-06 01:14:49,040 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-10-06 01:14:49,853 INFO L206 etLargeBlockEncoding]: Checked pairs total: 1769 [2020-10-06 01:14:49,853 INFO L214 etLargeBlockEncoding]: Total number of compositions: 58 [2020-10-06 01:14:49,853 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 22 places, 18 transitions, 48 flow [2020-10-06 01:14:49,864 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 209 states. [2020-10-06 01:14:49,864 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states. [2020-10-06 01:14:49,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-06 01:14:49,865 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:14:49,865 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-06 01:14:49,865 INFO L427 AbstractCegarLoop]: === Iteration 1 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 01:14:49,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:14:49,866 INFO L82 PathProgramCache]: Analyzing trace with hash 349336416, now seen corresponding path program 1 times [2020-10-06 01:14:49,867 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:14:49,867 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570022243] [2020-10-06 01:14:49,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:14:49,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:14:49,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 01:14:49,943 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570022243] [2020-10-06 01:14:49,944 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 01:14:49,944 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-06 01:14:49,944 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [37375935] [2020-10-06 01:14:49,944 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 01:14:49,945 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 01:14:49,946 INFO L258 McrAutomatonBuilder]: Finished intersection with 6 states and 5 transitions. [2020-10-06 01:14:49,947 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 01:14:49,947 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 01:14:49,947 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-06 01:14:49,948 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 01:14:49,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-06 01:14:49,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-06 01:14:49,948 INFO L87 Difference]: Start difference. First operand 209 states. Second operand 4 states. [2020-10-06 01:14:50,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 01:14:50,002 INFO L93 Difference]: Finished difference Result 144 states and 307 transitions. [2020-10-06 01:14:50,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-06 01:14:50,003 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 [2020-10-06 01:14:50,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 01:14:50,008 INFO L225 Difference]: With dead ends: 144 [2020-10-06 01:14:50,008 INFO L226 Difference]: Without dead ends: 133 [2020-10-06 01:14:50,008 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-06 01:14:50,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2020-10-06 01:14:50,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 128. [2020-10-06 01:14:50,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2020-10-06 01:14:50,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 274 transitions. [2020-10-06 01:14:50,028 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 274 transitions. Word has length 5 [2020-10-06 01:14:50,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 01:14:50,028 INFO L479 AbstractCegarLoop]: Abstraction has 128 states and 274 transitions. [2020-10-06 01:14:50,028 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-06 01:14:50,028 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 274 transitions. [2020-10-06 01:14:50,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-06 01:14:50,030 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:14:50,030 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2020-10-06 01:14:50,030 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-06 01:14:50,030 INFO L427 AbstractCegarLoop]: === Iteration 2 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 01:14:50,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:14:50,031 INFO L82 PathProgramCache]: Analyzing trace with hash -1641713045, now seen corresponding path program 1 times [2020-10-06 01:14:50,032 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:14:50,032 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550650226] [2020-10-06 01:14:50,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:14:50,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-06 01:14:50,051 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-06 01:14:50,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-06 01:14:50,063 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-06 01:14:50,070 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-06 01:14:50,070 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-06 01:14:50,070 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-06 01:14:50,070 WARN L633 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-06 01:14:50,071 WARN L363 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-06 01:14:50,072 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2020-10-06 01:14:50,079 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:50,080 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:50,080 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:50,080 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:50,080 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:50,080 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:50,081 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:50,081 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:50,081 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:50,081 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:50,081 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:50,082 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:50,082 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:50,082 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:50,082 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:50,082 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:50,083 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:50,083 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:50,083 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:50,083 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:50,083 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:50,084 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:50,084 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:50,084 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:50,084 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:50,084 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:50,084 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:50,085 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:50,085 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:50,085 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:50,085 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:50,085 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:50,086 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:50,086 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:50,086 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:50,086 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:50,086 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:50,087 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:50,087 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:50,087 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:50,087 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:50,087 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:50,087 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:50,088 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:50,088 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:50,088 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:50,088 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:50,088 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:50,089 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:50,089 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:50,089 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:50,089 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:50,090 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:50,090 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:50,090 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:50,090 WARN L313 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:50,091 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:50,092 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:50,092 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:50,092 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:50,092 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:50,092 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:50,092 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:50,093 WARN L313 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:50,094 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:50,094 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:50,094 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:50,094 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:50,094 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:50,095 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:50,095 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:50,095 WARN L313 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:50,096 INFO L251 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-06 01:14:50,096 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-06 01:14:50,097 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-06 01:14:50,097 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-06 01:14:50,097 INFO L378 AbstractCegarLoop]: Backedges is MCR [2020-10-06 01:14:50,097 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-06 01:14:50,097 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-06 01:14:50,097 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-06 01:14:50,097 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-06 01:14:50,099 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 82 places, 80 transitions, 181 flow [2020-10-06 01:14:50,099 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 82 places, 80 transitions, 181 flow [2020-10-06 01:14:50,118 INFO L129 PetriNetUnfolder]: 8/115 cut-off events. [2020-10-06 01:14:50,118 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2020-10-06 01:14:50,120 INFO L80 FinitePrefix]: Finished finitePrefix Result has 131 conditions, 115 events. 8/115 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 211 event pairs, 0 based on Foata normal form. 0/100 useless extension candidates. Maximal degree in co-relation 91. Up to 8 conditions per place. [2020-10-06 01:14:50,123 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 82 places, 80 transitions, 181 flow [2020-10-06 01:14:50,154 INFO L129 PetriNetUnfolder]: 8/115 cut-off events. [2020-10-06 01:14:50,154 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2020-10-06 01:14:50,157 INFO L80 FinitePrefix]: Finished finitePrefix Result has 131 conditions, 115 events. 8/115 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 211 event pairs, 0 based on Foata normal form. 0/100 useless extension candidates. Maximal degree in co-relation 91. Up to 8 conditions per place. [2020-10-06 01:14:50,162 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 2436 [2020-10-06 01:14:50,162 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-10-06 01:14:51,155 INFO L206 etLargeBlockEncoding]: Checked pairs total: 3671 [2020-10-06 01:14:51,155 INFO L214 etLargeBlockEncoding]: Total number of compositions: 76 [2020-10-06 01:14:51,155 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 29 places, 24 transitions, 69 flow [2020-10-06 01:14:51,202 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1079 states. [2020-10-06 01:14:51,202 INFO L276 IsEmpty]: Start isEmpty. Operand 1079 states. [2020-10-06 01:14:51,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-06 01:14:51,203 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:14:51,203 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-06 01:14:51,203 INFO L427 AbstractCegarLoop]: === Iteration 1 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 01:14:51,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:14:51,204 INFO L82 PathProgramCache]: Analyzing trace with hash 514919980, now seen corresponding path program 1 times [2020-10-06 01:14:51,210 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:14:51,210 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944824364] [2020-10-06 01:14:51,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:14:51,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:14:51,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 01:14:51,248 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944824364] [2020-10-06 01:14:51,249 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 01:14:51,249 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-06 01:14:51,249 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [476889479] [2020-10-06 01:14:51,249 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 01:14:51,250 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 01:14:51,251 INFO L258 McrAutomatonBuilder]: Finished intersection with 6 states and 5 transitions. [2020-10-06 01:14:51,251 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 01:14:51,251 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 01:14:51,251 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-06 01:14:51,252 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 01:14:51,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-06 01:14:51,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-06 01:14:51,252 INFO L87 Difference]: Start difference. First operand 1079 states. Second operand 4 states. [2020-10-06 01:14:51,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 01:14:51,309 INFO L93 Difference]: Finished difference Result 701 states and 1990 transitions. [2020-10-06 01:14:51,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-06 01:14:51,310 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 [2020-10-06 01:14:51,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 01:14:51,321 INFO L225 Difference]: With dead ends: 701 [2020-10-06 01:14:51,321 INFO L226 Difference]: Without dead ends: 680 [2020-10-06 01:14:51,321 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-06 01:14:51,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 680 states. [2020-10-06 01:14:51,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 680 to 680. [2020-10-06 01:14:51,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 680 states. [2020-10-06 01:14:51,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 680 states and 1926 transitions. [2020-10-06 01:14:51,399 INFO L78 Accepts]: Start accepts. Automaton has 680 states and 1926 transitions. Word has length 5 [2020-10-06 01:14:51,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 01:14:51,400 INFO L479 AbstractCegarLoop]: Abstraction has 680 states and 1926 transitions. [2020-10-06 01:14:51,400 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-06 01:14:51,400 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 1926 transitions. [2020-10-06 01:14:51,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-06 01:14:51,401 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:14:51,403 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 01:14:51,403 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-06 01:14:51,403 INFO L427 AbstractCegarLoop]: === Iteration 2 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 01:14:51,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:14:51,403 INFO L82 PathProgramCache]: Analyzing trace with hash -1141892837, now seen corresponding path program 1 times [2020-10-06 01:14:51,410 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:14:51,411 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798041491] [2020-10-06 01:14:51,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:14:51,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:14:51,466 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-06 01:14:51,466 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798041491] [2020-10-06 01:14:51,467 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 01:14:51,467 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-06 01:14:51,467 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1171811724] [2020-10-06 01:14:51,467 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 01:14:51,469 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 01:14:51,472 INFO L258 McrAutomatonBuilder]: Finished intersection with 14 states and 14 transitions. [2020-10-06 01:14:51,472 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 01:14:51,489 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [4314#(<= (+ ~s~0 2) ~t~0)] [2020-10-06 01:14:51,490 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-06 01:14:51,490 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 01:14:51,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-06 01:14:51,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-06 01:14:51,491 INFO L87 Difference]: Start difference. First operand 680 states and 1926 transitions. Second operand 7 states. [2020-10-06 01:14:51,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 01:14:51,681 INFO L93 Difference]: Finished difference Result 601 states and 1663 transitions. [2020-10-06 01:14:51,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-06 01:14:51,682 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 12 [2020-10-06 01:14:51,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 01:14:51,687 INFO L225 Difference]: With dead ends: 601 [2020-10-06 01:14:51,687 INFO L226 Difference]: Without dead ends: 559 [2020-10-06 01:14:51,688 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2020-10-06 01:14:51,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 559 states. [2020-10-06 01:14:51,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 559 to 524. [2020-10-06 01:14:51,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 524 states. [2020-10-06 01:14:51,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 524 states and 1472 transitions. [2020-10-06 01:14:51,709 INFO L78 Accepts]: Start accepts. Automaton has 524 states and 1472 transitions. Word has length 12 [2020-10-06 01:14:51,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 01:14:51,709 INFO L479 AbstractCegarLoop]: Abstraction has 524 states and 1472 transitions. [2020-10-06 01:14:51,709 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-06 01:14:51,709 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 1472 transitions. [2020-10-06 01:14:51,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-06 01:14:51,715 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:14:51,715 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1] [2020-10-06 01:14:51,715 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-06 01:14:51,715 INFO L427 AbstractCegarLoop]: === Iteration 3 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 01:14:51,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:14:51,716 INFO L82 PathProgramCache]: Analyzing trace with hash -93833612, now seen corresponding path program 1 times [2020-10-06 01:14:51,720 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:14:51,721 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940051243] [2020-10-06 01:14:51,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:14:51,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-06 01:14:51,742 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-06 01:14:51,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-06 01:14:51,764 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-06 01:14:51,771 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-06 01:14:51,771 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-06 01:14:51,771 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-06 01:14:51,772 WARN L633 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-06 01:14:51,772 WARN L363 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-06 01:14:51,772 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2020-10-06 01:14:51,780 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:51,780 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:51,780 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:51,780 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:51,781 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:51,781 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:51,781 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:51,781 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:51,781 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:51,781 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:51,782 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:51,782 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:51,782 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:51,782 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:51,782 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:51,782 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:51,783 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:51,783 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:51,783 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:51,783 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:51,783 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:51,783 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:51,784 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:51,784 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:51,784 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:51,784 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:51,784 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:51,784 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:51,785 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:51,785 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:51,785 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:51,785 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:51,785 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:51,786 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:51,786 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:51,786 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:51,786 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:51,786 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:51,786 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:51,786 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:51,787 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:51,787 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:51,787 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:51,787 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:51,787 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:51,788 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:51,788 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:51,788 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:51,788 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:51,788 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:51,789 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:51,789 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:51,789 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:51,789 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:51,789 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:51,789 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:51,790 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:51,790 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:51,790 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:51,790 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:51,790 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:51,790 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:51,791 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:51,791 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:51,791 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:51,791 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:51,792 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:51,792 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:51,792 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:51,792 WARN L313 ript$VariableManager]: TermVariabe thrThread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:51,792 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:51,793 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:51,795 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:51,795 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:51,795 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:51,795 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:51,795 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:51,795 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:51,796 WARN L313 ript$VariableManager]: TermVariabe thrThread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:51,796 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:51,796 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:51,797 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:51,797 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:51,797 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:51,797 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:51,797 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:51,797 WARN L313 ript$VariableManager]: TermVariabe thrThread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:51,798 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:51,799 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:51,799 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:51,799 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:51,799 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:51,799 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:51,800 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:51,800 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:51,800 WARN L313 ript$VariableManager]: TermVariabe thrThread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:51,801 INFO L251 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-10-06 01:14:51,801 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-06 01:14:51,801 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-06 01:14:51,801 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-06 01:14:51,801 INFO L378 AbstractCegarLoop]: Backedges is MCR [2020-10-06 01:14:51,801 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-06 01:14:51,801 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-06 01:14:51,801 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-06 01:14:51,801 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-06 01:14:51,803 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 98 places, 95 transitions, 222 flow [2020-10-06 01:14:51,803 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 98 places, 95 transitions, 222 flow [2020-10-06 01:14:51,821 INFO L129 PetriNetUnfolder]: 10/143 cut-off events. [2020-10-06 01:14:51,821 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2020-10-06 01:14:51,823 INFO L80 FinitePrefix]: Finished finitePrefix Result has 166 conditions, 143 events. 10/143 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 275 event pairs, 0 based on Foata normal form. 0/124 useless extension candidates. Maximal degree in co-relation 123. Up to 10 conditions per place. [2020-10-06 01:14:51,827 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 98 places, 95 transitions, 222 flow [2020-10-06 01:14:51,848 INFO L129 PetriNetUnfolder]: 10/143 cut-off events. [2020-10-06 01:14:51,848 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2020-10-06 01:14:51,849 INFO L80 FinitePrefix]: Finished finitePrefix Result has 166 conditions, 143 events. 10/143 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 275 event pairs, 0 based on Foata normal form. 0/124 useless extension candidates. Maximal degree in co-relation 123. Up to 10 conditions per place. [2020-10-06 01:14:51,854 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 4088 [2020-10-06 01:14:51,854 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-10-06 01:14:53,018 INFO L206 etLargeBlockEncoding]: Checked pairs total: 6947 [2020-10-06 01:14:53,019 INFO L214 etLargeBlockEncoding]: Total number of compositions: 92 [2020-10-06 01:14:53,019 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 37 places, 30 transitions, 92 flow [2020-10-06 01:14:53,437 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 6514 states. [2020-10-06 01:14:53,437 INFO L276 IsEmpty]: Start isEmpty. Operand 6514 states. [2020-10-06 01:14:53,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-06 01:14:53,437 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:14:53,438 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-06 01:14:53,438 INFO L427 AbstractCegarLoop]: === Iteration 1 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 01:14:53,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:14:53,438 INFO L82 PathProgramCache]: Analyzing trace with hash 711608770, now seen corresponding path program 1 times [2020-10-06 01:14:53,439 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:14:53,439 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924768358] [2020-10-06 01:14:53,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:14:53,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:14:53,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 01:14:53,476 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924768358] [2020-10-06 01:14:53,476 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 01:14:53,477 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-06 01:14:53,477 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [341301991] [2020-10-06 01:14:53,477 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 01:14:53,477 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 01:14:53,481 INFO L258 McrAutomatonBuilder]: Finished intersection with 6 states and 5 transitions. [2020-10-06 01:14:53,481 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 01:14:53,482 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 01:14:53,482 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-06 01:14:53,482 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 01:14:53,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-06 01:14:53,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-06 01:14:53,483 INFO L87 Difference]: Start difference. First operand 6514 states. Second operand 4 states. [2020-10-06 01:14:53,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 01:14:53,609 INFO L93 Difference]: Finished difference Result 4847 states and 17334 transitions. [2020-10-06 01:14:53,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-06 01:14:53,610 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 [2020-10-06 01:14:53,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 01:14:53,649 INFO L225 Difference]: With dead ends: 4847 [2020-10-06 01:14:53,650 INFO L226 Difference]: Without dead ends: 4769 [2020-10-06 01:14:53,650 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-06 01:14:53,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4769 states. [2020-10-06 01:14:53,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4769 to 4603. [2020-10-06 01:14:53,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4603 states. [2020-10-06 01:14:53,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4603 states to 4603 states and 16614 transitions. [2020-10-06 01:14:53,850 INFO L78 Accepts]: Start accepts. Automaton has 4603 states and 16614 transitions. Word has length 5 [2020-10-06 01:14:53,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 01:14:53,850 INFO L479 AbstractCegarLoop]: Abstraction has 4603 states and 16614 transitions. [2020-10-06 01:14:53,851 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-06 01:14:53,851 INFO L276 IsEmpty]: Start isEmpty. Operand 4603 states and 16614 transitions. [2020-10-06 01:14:53,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-06 01:14:53,852 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:14:53,852 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 01:14:53,852 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-06 01:14:53,852 INFO L427 AbstractCegarLoop]: === Iteration 2 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 01:14:53,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:14:53,853 INFO L82 PathProgramCache]: Analyzing trace with hash -120295600, now seen corresponding path program 1 times [2020-10-06 01:14:53,856 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:14:53,857 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240844890] [2020-10-06 01:14:53,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:14:53,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:14:53,899 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 01:14:53,899 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240844890] [2020-10-06 01:14:53,900 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1943906863] [2020-10-06 01:14:53,900 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 [2020-10-06 01:14:53,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:14:53,967 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-06 01:14:53,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-06 01:14:54,019 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 01:14:54,020 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-06 01:14:54,020 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 4] total 7 [2020-10-06 01:14:54,020 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [771612163] [2020-10-06 01:14:54,021 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 01:14:54,022 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 01:14:54,024 INFO L258 McrAutomatonBuilder]: Finished intersection with 26 states and 38 transitions. [2020-10-06 01:14:54,024 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 01:14:54,075 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [27228#(<= (+ ~s~0 2) ~t~0)] [2020-10-06 01:14:54,075 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-06 01:14:54,076 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 01:14:54,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-06 01:14:54,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-10-06 01:14:54,076 INFO L87 Difference]: Start difference. First operand 4603 states and 16614 transitions. Second operand 6 states. [2020-10-06 01:14:54,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 01:14:54,310 INFO L93 Difference]: Finished difference Result 4746 states and 15968 transitions. [2020-10-06 01:14:54,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-06 01:14:54,310 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 12 [2020-10-06 01:14:54,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 01:14:54,345 INFO L225 Difference]: With dead ends: 4746 [2020-10-06 01:14:54,345 INFO L226 Difference]: Without dead ends: 4568 [2020-10-06 01:14:54,346 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-10-06 01:14:54,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4568 states. [2020-10-06 01:14:54,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4568 to 3755. [2020-10-06 01:14:54,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3755 states. [2020-10-06 01:14:54,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3755 states to 3755 states and 13066 transitions. [2020-10-06 01:14:54,485 INFO L78 Accepts]: Start accepts. Automaton has 3755 states and 13066 transitions. Word has length 12 [2020-10-06 01:14:54,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 01:14:54,485 INFO L479 AbstractCegarLoop]: Abstraction has 3755 states and 13066 transitions. [2020-10-06 01:14:54,486 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-06 01:14:54,486 INFO L276 IsEmpty]: Start isEmpty. Operand 3755 states and 13066 transitions. [2020-10-06 01:14:54,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-06 01:14:54,489 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:14:54,489 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 01:14:54,702 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2020-10-06 01:14:54,703 INFO L427 AbstractCegarLoop]: === Iteration 3 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 01:14:54,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:14:54,703 INFO L82 PathProgramCache]: Analyzing trace with hash -681881088, now seen corresponding path program 1 times [2020-10-06 01:14:54,704 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:14:54,704 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047446381] [2020-10-06 01:14:54,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:14:54,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:14:54,758 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 01:14:54,759 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047446381] [2020-10-06 01:14:54,759 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [691597704] [2020-10-06 01:14:54,759 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 [2020-10-06 01:14:54,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:14:54,827 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2020-10-06 01:14:54,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-06 01:14:54,911 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 01:14:54,911 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-06 01:14:54,911 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [4] total 10 [2020-10-06 01:14:54,912 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [604190388] [2020-10-06 01:14:54,912 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 01:14:54,914 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 01:14:54,922 INFO L258 McrAutomatonBuilder]: Finished intersection with 54 states and 87 transitions. [2020-10-06 01:14:54,922 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 01:14:55,012 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 2 new interpolants: [39552#(and (<= ~s~0 1) (<= 2 ~t~0)), 39551#(and (<= 2 ~t~0) (<= ~s~0 2))] [2020-10-06 01:14:55,012 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-06 01:14:55,012 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 01:14:55,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-06 01:14:55,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2020-10-06 01:14:55,013 INFO L87 Difference]: Start difference. First operand 3755 states and 13066 transitions. Second operand 10 states. [2020-10-06 01:14:55,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 01:14:55,308 INFO L93 Difference]: Finished difference Result 4670 states and 16391 transitions. [2020-10-06 01:14:55,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-06 01:14:55,309 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 19 [2020-10-06 01:14:55,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 01:14:55,357 INFO L225 Difference]: With dead ends: 4670 [2020-10-06 01:14:55,357 INFO L226 Difference]: Without dead ends: 4594 [2020-10-06 01:14:55,361 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2020-10-06 01:14:55,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4594 states. [2020-10-06 01:14:55,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4594 to 2896. [2020-10-06 01:14:55,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2896 states. [2020-10-06 01:14:55,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2896 states to 2896 states and 10457 transitions. [2020-10-06 01:14:55,541 INFO L78 Accepts]: Start accepts. Automaton has 2896 states and 10457 transitions. Word has length 19 [2020-10-06 01:14:55,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 01:14:55,542 INFO L479 AbstractCegarLoop]: Abstraction has 2896 states and 10457 transitions. [2020-10-06 01:14:55,542 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-06 01:14:55,543 INFO L276 IsEmpty]: Start isEmpty. Operand 2896 states and 10457 transitions. [2020-10-06 01:14:55,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-06 01:14:55,545 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:14:55,545 INFO L422 BasicCegarLoop]: trace histogram [5, 4, 4, 1, 1, 1, 1, 1, 1] [2020-10-06 01:14:55,758 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-10-06 01:14:55,759 INFO L427 AbstractCegarLoop]: === Iteration 4 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 01:14:55,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:14:55,759 INFO L82 PathProgramCache]: Analyzing trace with hash -2136951318, now seen corresponding path program 1 times [2020-10-06 01:14:55,760 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:14:55,761 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500296818] [2020-10-06 01:14:55,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:14:55,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-06 01:14:55,774 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-06 01:14:55,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-06 01:14:55,784 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-06 01:14:55,789 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-06 01:14:55,790 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-06 01:14:55,790 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-06 01:14:55,790 WARN L633 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-06 01:14:55,791 WARN L363 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-06 01:14:55,791 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2020-10-06 01:14:55,800 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,800 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,800 WARN L313 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,801 WARN L313 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,801 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,801 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,801 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,801 WARN L313 ript$VariableManager]: TermVariabe thrThread4of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,801 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,802 WARN L313 ript$VariableManager]: TermVariabe thrThread4of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,802 WARN L313 ript$VariableManager]: TermVariabe thrThread4of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,802 WARN L313 ript$VariableManager]: TermVariabe thrThread4of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,802 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,802 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,802 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,803 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,803 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,803 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,803 WARN L313 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,803 WARN L313 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,803 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,803 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,804 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,804 WARN L313 ript$VariableManager]: TermVariabe thrThread5of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,804 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,804 WARN L313 ript$VariableManager]: TermVariabe thrThread5of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,804 WARN L313 ript$VariableManager]: TermVariabe thrThread5of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,804 WARN L313 ript$VariableManager]: TermVariabe thrThread5of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,805 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,805 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,805 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,805 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,805 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,805 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,806 WARN L313 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,806 WARN L313 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,806 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,806 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,806 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,806 WARN L313 ript$VariableManager]: TermVariabe thrThread1of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,806 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,807 WARN L313 ript$VariableManager]: TermVariabe thrThread1of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,807 WARN L313 ript$VariableManager]: TermVariabe thrThread1of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,807 WARN L313 ript$VariableManager]: TermVariabe thrThread1of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,807 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,807 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,807 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,807 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,808 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,808 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,808 WARN L313 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,808 WARN L313 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,808 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,808 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,808 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,809 WARN L313 ript$VariableManager]: TermVariabe thrThread2of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,809 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,809 WARN L313 ript$VariableManager]: TermVariabe thrThread2of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,809 WARN L313 ript$VariableManager]: TermVariabe thrThread2of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,809 WARN L313 ript$VariableManager]: TermVariabe thrThread2of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,809 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,810 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,810 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,810 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,810 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,810 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,810 WARN L313 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,810 WARN L313 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,811 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,811 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,811 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,811 WARN L313 ript$VariableManager]: TermVariabe thrThread3of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,811 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,811 WARN L313 ript$VariableManager]: TermVariabe thrThread3of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,812 WARN L313 ript$VariableManager]: TermVariabe thrThread3of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,812 WARN L313 ript$VariableManager]: TermVariabe thrThread3of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,812 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,812 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,812 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,812 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,813 WARN L313 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,813 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,813 WARN L313 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,813 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,813 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,813 WARN L313 ript$VariableManager]: TermVariabe thrThread1of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,814 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,814 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,815 WARN L313 ript$VariableManager]: TermVariabe thrThread2of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,815 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,815 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,815 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,816 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,816 WARN L313 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,816 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,816 WARN L313 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,817 WARN L313 ript$VariableManager]: TermVariabe thrThread3of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,817 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,817 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,817 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,818 WARN L313 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,818 WARN L313 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,818 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,818 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,819 WARN L313 ript$VariableManager]: TermVariabe thrThread4of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,819 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,819 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,819 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,820 WARN L313 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,820 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,820 WARN L313 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,820 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,821 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,821 WARN L313 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,821 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,821 WARN L313 ript$VariableManager]: TermVariabe thrThread5of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,822 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,822 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,822 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,822 WARN L313 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:14:55,823 INFO L251 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-10-06 01:14:55,823 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-06 01:14:55,823 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-06 01:14:55,823 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-06 01:14:55,823 INFO L378 AbstractCegarLoop]: Backedges is MCR [2020-10-06 01:14:55,824 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-06 01:14:55,824 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-06 01:14:55,824 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-06 01:14:55,824 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-06 01:14:55,825 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 114 places, 110 transitions, 265 flow [2020-10-06 01:14:55,825 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 114 places, 110 transitions, 265 flow [2020-10-06 01:14:55,843 INFO L129 PetriNetUnfolder]: 12/171 cut-off events. [2020-10-06 01:14:55,844 INFO L130 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2020-10-06 01:14:55,845 INFO L80 FinitePrefix]: Finished finitePrefix Result has 202 conditions, 171 events. 12/171 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 373 event pairs, 0 based on Foata normal form. 0/148 useless extension candidates. Maximal degree in co-relation 156. Up to 12 conditions per place. [2020-10-06 01:14:55,852 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 114 places, 110 transitions, 265 flow [2020-10-06 01:14:55,871 INFO L129 PetriNetUnfolder]: 12/171 cut-off events. [2020-10-06 01:14:55,871 INFO L130 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2020-10-06 01:14:55,872 INFO L80 FinitePrefix]: Finished finitePrefix Result has 202 conditions, 171 events. 12/171 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 373 event pairs, 0 based on Foata normal form. 0/148 useless extension candidates. Maximal degree in co-relation 156. Up to 12 conditions per place. [2020-10-06 01:14:55,879 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 6160 [2020-10-06 01:14:55,880 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-10-06 01:14:57,123 INFO L206 etLargeBlockEncoding]: Checked pairs total: 11695 [2020-10-06 01:14:57,124 INFO L214 etLargeBlockEncoding]: Total number of compositions: 107 [2020-10-06 01:14:57,124 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 46 places, 39 transitions, 123 flow [2020-10-06 01:15:05,124 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 45394 states. [2020-10-06 01:15:05,124 INFO L276 IsEmpty]: Start isEmpty. Operand 45394 states. [2020-10-06 01:15:05,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-06 01:15:05,125 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:15:05,125 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-06 01:15:05,125 INFO L427 AbstractCegarLoop]: === Iteration 1 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 01:15:05,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:15:05,125 INFO L82 PathProgramCache]: Analyzing trace with hash 936004228, now seen corresponding path program 1 times [2020-10-06 01:15:05,126 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:15:05,126 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849694881] [2020-10-06 01:15:05,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:15:05,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:15:05,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 01:15:05,158 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849694881] [2020-10-06 01:15:05,159 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 01:15:05,159 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-06 01:15:05,159 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [346126901] [2020-10-06 01:15:05,160 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 01:15:05,160 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 01:15:05,160 INFO L258 McrAutomatonBuilder]: Finished intersection with 6 states and 5 transitions. [2020-10-06 01:15:05,161 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 01:15:05,161 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 01:15:05,161 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-06 01:15:05,161 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 01:15:05,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-06 01:15:05,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-06 01:15:05,162 INFO L87 Difference]: Start difference. First operand 45394 states. Second operand 4 states. [2020-10-06 01:15:05,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 01:15:05,461 INFO L93 Difference]: Finished difference Result 19082 states and 83599 transitions. [2020-10-06 01:15:05,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-06 01:15:05,462 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 [2020-10-06 01:15:05,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 01:15:05,568 INFO L225 Difference]: With dead ends: 19082 [2020-10-06 01:15:05,569 INFO L226 Difference]: Without dead ends: 19002 [2020-10-06 01:15:05,569 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-06 01:15:05,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19002 states. [2020-10-06 01:15:06,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19002 to 19002. [2020-10-06 01:15:06,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19002 states. [2020-10-06 01:15:06,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19002 states to 19002 states and 83189 transitions. [2020-10-06 01:15:06,619 INFO L78 Accepts]: Start accepts. Automaton has 19002 states and 83189 transitions. Word has length 5 [2020-10-06 01:15:06,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 01:15:06,620 INFO L479 AbstractCegarLoop]: Abstraction has 19002 states and 83189 transitions. [2020-10-06 01:15:06,620 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-06 01:15:06,620 INFO L276 IsEmpty]: Start isEmpty. Operand 19002 states and 83189 transitions. [2020-10-06 01:15:06,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-06 01:15:06,620 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:15:06,621 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 01:15:06,621 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-06 01:15:06,621 INFO L427 AbstractCegarLoop]: === Iteration 2 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 01:15:06,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:15:06,621 INFO L82 PathProgramCache]: Analyzing trace with hash 163860184, now seen corresponding path program 1 times [2020-10-06 01:15:06,622 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:15:06,623 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160126037] [2020-10-06 01:15:06,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:15:06,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:15:06,681 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-06 01:15:06,682 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160126037] [2020-10-06 01:15:06,682 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 01:15:06,682 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-06 01:15:06,683 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [682298884] [2020-10-06 01:15:06,683 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 01:15:06,684 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 01:15:06,685 INFO L258 McrAutomatonBuilder]: Finished intersection with 14 states and 14 transitions. [2020-10-06 01:15:06,686 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 01:15:06,694 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [148001#(<= (+ ~s~0 2) ~t~0)] [2020-10-06 01:15:06,694 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-06 01:15:06,694 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 01:15:06,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-06 01:15:06,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-06 01:15:06,695 INFO L87 Difference]: Start difference. First operand 19002 states and 83189 transitions. Second operand 7 states. [2020-10-06 01:15:07,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 01:15:07,020 INFO L93 Difference]: Finished difference Result 22618 states and 85137 transitions. [2020-10-06 01:15:07,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-06 01:15:07,021 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 12 [2020-10-06 01:15:07,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 01:15:07,109 INFO L225 Difference]: With dead ends: 22618 [2020-10-06 01:15:07,109 INFO L226 Difference]: Without dead ends: 22374 [2020-10-06 01:15:07,109 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2020-10-06 01:15:07,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22374 states. [2020-10-06 01:15:09,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22374 to 20599. [2020-10-06 01:15:09,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20599 states. [2020-10-06 01:15:09,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20599 states to 20599 states and 79698 transitions. [2020-10-06 01:15:09,426 INFO L78 Accepts]: Start accepts. Automaton has 20599 states and 79698 transitions. Word has length 12 [2020-10-06 01:15:09,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 01:15:09,427 INFO L479 AbstractCegarLoop]: Abstraction has 20599 states and 79698 transitions. [2020-10-06 01:15:09,427 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-06 01:15:09,427 INFO L276 IsEmpty]: Start isEmpty. Operand 20599 states and 79698 transitions. [2020-10-06 01:15:09,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-06 01:15:09,428 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:15:09,429 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 01:15:09,429 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-06 01:15:09,429 INFO L427 AbstractCegarLoop]: === Iteration 3 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 01:15:09,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:15:09,429 INFO L82 PathProgramCache]: Analyzing trace with hash 1414580445, now seen corresponding path program 1 times [2020-10-06 01:15:09,436 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:15:09,437 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603795925] [2020-10-06 01:15:09,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:15:09,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:15:09,509 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-06 01:15:09,510 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603795925] [2020-10-06 01:15:09,510 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 01:15:09,510 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-06 01:15:09,511 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1076917179] [2020-10-06 01:15:09,511 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 01:15:09,513 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 01:15:09,517 INFO L258 McrAutomatonBuilder]: Finished intersection with 30 states and 39 transitions. [2020-10-06 01:15:09,517 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 01:15:09,548 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [211828#(<= ~s~0 ~t~0)] [2020-10-06 01:15:09,548 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-06 01:15:09,548 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 01:15:09,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-06 01:15:09,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2020-10-06 01:15:09,549 INFO L87 Difference]: Start difference. First operand 20599 states and 79698 transitions. Second operand 9 states. [2020-10-06 01:15:09,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 01:15:09,883 INFO L93 Difference]: Finished difference Result 18072 states and 70647 transitions. [2020-10-06 01:15:09,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-06 01:15:09,883 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 19 [2020-10-06 01:15:09,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 01:15:09,955 INFO L225 Difference]: With dead ends: 18072 [2020-10-06 01:15:09,956 INFO L226 Difference]: Without dead ends: 17816 [2020-10-06 01:15:09,956 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2020-10-06 01:15:10,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17816 states. [2020-10-06 01:15:10,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17816 to 10226. [2020-10-06 01:15:10,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10226 states. [2020-10-06 01:15:10,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10226 states to 10226 states and 41743 transitions. [2020-10-06 01:15:10,339 INFO L78 Accepts]: Start accepts. Automaton has 10226 states and 41743 transitions. Word has length 19 [2020-10-06 01:15:10,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 01:15:10,339 INFO L479 AbstractCegarLoop]: Abstraction has 10226 states and 41743 transitions. [2020-10-06 01:15:10,339 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-06 01:15:10,339 INFO L276 IsEmpty]: Start isEmpty. Operand 10226 states and 41743 transitions. [2020-10-06 01:15:10,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-06 01:15:10,345 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:15:10,345 INFO L422 BasicCegarLoop]: trace histogram [6, 5, 5, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 01:15:10,345 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-06 01:15:10,345 INFO L427 AbstractCegarLoop]: === Iteration 4 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 01:15:10,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:15:10,346 INFO L82 PathProgramCache]: Analyzing trace with hash 1180303404, now seen corresponding path program 1 times [2020-10-06 01:15:10,347 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:15:10,347 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298464646] [2020-10-06 01:15:10,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:15:10,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-06 01:15:10,360 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-06 01:15:10,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-06 01:15:10,369 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-06 01:15:10,375 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-06 01:15:10,375 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-06 01:15:10,375 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-06 01:15:10,376 WARN L633 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-06 01:15:10,376 WARN L363 ceAbstractionStarter]: 5 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-06 01:15:10,376 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 6 thread instances. [2020-10-06 01:15:10,386 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,386 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,387 WARN L313 ript$VariableManager]: TermVariabe thrThread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,387 WARN L313 ript$VariableManager]: TermVariabe thrThread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,387 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of6ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,387 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of6ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,387 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,387 WARN L313 ript$VariableManager]: TermVariabe thrThread3of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,387 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,388 WARN L313 ript$VariableManager]: TermVariabe thrThread3of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,388 WARN L313 ript$VariableManager]: TermVariabe thrThread3of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,388 WARN L313 ript$VariableManager]: TermVariabe thrThread3of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,388 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of6ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,388 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of6ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,388 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,388 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,389 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,389 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,389 WARN L313 ript$VariableManager]: TermVariabe thrThread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,389 WARN L313 ript$VariableManager]: TermVariabe thrThread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,389 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of6ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,389 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of6ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,389 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,390 WARN L313 ript$VariableManager]: TermVariabe thrThread4of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,390 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,390 WARN L313 ript$VariableManager]: TermVariabe thrThread4of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,390 WARN L313 ript$VariableManager]: TermVariabe thrThread4of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,390 WARN L313 ript$VariableManager]: TermVariabe thrThread4of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,390 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of6ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,390 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of6ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,391 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,391 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,391 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,391 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,391 WARN L313 ript$VariableManager]: TermVariabe thrThread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,391 WARN L313 ript$VariableManager]: TermVariabe thrThread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,391 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of6ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,392 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of6ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,392 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,392 WARN L313 ript$VariableManager]: TermVariabe thrThread5of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,392 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,392 WARN L313 ript$VariableManager]: TermVariabe thrThread5of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,392 WARN L313 ript$VariableManager]: TermVariabe thrThread5of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,392 WARN L313 ript$VariableManager]: TermVariabe thrThread5of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,393 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of6ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,393 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of6ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,393 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,393 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,393 WARN L313 ript$VariableManager]: TermVariabe |thrThread6of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,394 WARN L313 ript$VariableManager]: TermVariabe |thrThread6of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,394 WARN L313 ript$VariableManager]: TermVariabe thrThread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,394 WARN L313 ript$VariableManager]: TermVariabe thrThread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,394 WARN L313 ript$VariableManager]: TermVariabe |thrThread6of6ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,394 WARN L313 ript$VariableManager]: TermVariabe |thrThread6of6ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,394 WARN L313 ript$VariableManager]: TermVariabe |thrThread6of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,394 WARN L313 ript$VariableManager]: TermVariabe thrThread6of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,394 WARN L313 ript$VariableManager]: TermVariabe |thrThread6of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,395 WARN L313 ript$VariableManager]: TermVariabe thrThread6of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,395 WARN L313 ript$VariableManager]: TermVariabe thrThread6of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,395 WARN L313 ript$VariableManager]: TermVariabe thrThread6of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,395 WARN L313 ript$VariableManager]: TermVariabe |thrThread6of6ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,395 WARN L313 ript$VariableManager]: TermVariabe |thrThread6of6ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,395 WARN L313 ript$VariableManager]: TermVariabe |thrThread6of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,395 WARN L313 ript$VariableManager]: TermVariabe |thrThread6of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,396 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,396 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,396 WARN L313 ript$VariableManager]: TermVariabe thrThread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,396 WARN L313 ript$VariableManager]: TermVariabe thrThread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,396 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of6ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,396 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of6ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,396 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,397 WARN L313 ript$VariableManager]: TermVariabe thrThread2of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,397 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,397 WARN L313 ript$VariableManager]: TermVariabe thrThread2of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,397 WARN L313 ript$VariableManager]: TermVariabe thrThread2of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,397 WARN L313 ript$VariableManager]: TermVariabe thrThread2of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,397 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of6ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,397 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of6ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,398 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,398 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,398 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,398 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,398 WARN L313 ript$VariableManager]: TermVariabe thrThread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,398 WARN L313 ript$VariableManager]: TermVariabe thrThread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,398 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of6ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,399 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of6ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,399 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,399 WARN L313 ript$VariableManager]: TermVariabe thrThread1of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,399 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,399 WARN L313 ript$VariableManager]: TermVariabe thrThread1of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,399 WARN L313 ript$VariableManager]: TermVariabe thrThread1of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,399 WARN L313 ript$VariableManager]: TermVariabe thrThread1of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,399 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of6ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,400 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of6ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,400 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,400 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,400 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of6ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,400 WARN L313 ript$VariableManager]: TermVariabe thrThread1of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,400 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,401 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,401 WARN L313 ript$VariableManager]: TermVariabe thrThread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,401 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of6ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,401 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,401 WARN L313 ript$VariableManager]: TermVariabe thrThread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,410 WARN L313 ript$VariableManager]: TermVariabe thrThread2of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,410 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,411 WARN L313 ript$VariableManager]: TermVariabe thrThread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,411 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of6ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,411 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,411 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,411 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of6ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,411 WARN L313 ript$VariableManager]: TermVariabe thrThread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,412 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,413 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,413 WARN L313 ript$VariableManager]: TermVariabe thrThread3of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,413 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of6ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,413 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,413 WARN L313 ript$VariableManager]: TermVariabe thrThread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,413 WARN L313 ript$VariableManager]: TermVariabe thrThread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,413 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of6ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,415 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,415 WARN L313 ript$VariableManager]: TermVariabe thrThread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,415 WARN L313 ript$VariableManager]: TermVariabe thrThread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,415 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,415 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,415 WARN L313 ript$VariableManager]: TermVariabe thrThread4of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,415 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of6ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,416 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of6ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,416 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,417 WARN L313 ript$VariableManager]: TermVariabe thrThread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,417 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of6ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,417 WARN L313 ript$VariableManager]: TermVariabe thrThread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,417 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,417 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,417 WARN L313 ript$VariableManager]: TermVariabe thrThread5of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,417 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of6ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,418 WARN L313 ript$VariableManager]: TermVariabe thrThread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,418 WARN L313 ript$VariableManager]: TermVariabe |thrThread6of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,419 WARN L313 ript$VariableManager]: TermVariabe |thrThread6of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,419 WARN L313 ript$VariableManager]: TermVariabe thrThread6of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,419 WARN L313 ript$VariableManager]: TermVariabe thrThread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,419 WARN L313 ript$VariableManager]: TermVariabe |thrThread6of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,419 WARN L313 ript$VariableManager]: TermVariabe |thrThread6of6ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,419 WARN L313 ript$VariableManager]: TermVariabe |thrThread6of6ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:15:10,420 INFO L251 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2020-10-06 01:15:10,421 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-06 01:15:10,421 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-06 01:15:10,421 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-06 01:15:10,421 INFO L378 AbstractCegarLoop]: Backedges is MCR [2020-10-06 01:15:10,421 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-06 01:15:10,421 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-06 01:15:10,421 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-06 01:15:10,421 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-06 01:15:10,423 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 130 places, 125 transitions, 310 flow [2020-10-06 01:15:10,423 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 130 places, 125 transitions, 310 flow [2020-10-06 01:15:10,445 INFO L129 PetriNetUnfolder]: 14/199 cut-off events. [2020-10-06 01:15:10,445 INFO L130 PetriNetUnfolder]: For 50/50 co-relation queries the response was YES. [2020-10-06 01:15:10,447 INFO L80 FinitePrefix]: Finished finitePrefix Result has 239 conditions, 199 events. 14/199 cut-off events. For 50/50 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 435 event pairs, 0 based on Foata normal form. 0/172 useless extension candidates. Maximal degree in co-relation 190. Up to 14 conditions per place. [2020-10-06 01:15:10,459 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 130 places, 125 transitions, 310 flow [2020-10-06 01:15:10,485 INFO L129 PetriNetUnfolder]: 14/199 cut-off events. [2020-10-06 01:15:10,485 INFO L130 PetriNetUnfolder]: For 50/50 co-relation queries the response was YES. [2020-10-06 01:15:10,487 INFO L80 FinitePrefix]: Finished finitePrefix Result has 239 conditions, 199 events. 14/199 cut-off events. For 50/50 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 435 event pairs, 0 based on Foata normal form. 0/172 useless extension candidates. Maximal degree in co-relation 190. Up to 14 conditions per place. [2020-10-06 01:15:10,496 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 8652 [2020-10-06 01:15:10,496 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-10-06 01:15:10,892 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2020-10-06 01:15:12,107 INFO L206 etLargeBlockEncoding]: Checked pairs total: 15305 [2020-10-06 01:15:12,107 INFO L214 etLargeBlockEncoding]: Total number of compositions: 121 [2020-10-06 01:15:12,108 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 52 places, 44 transitions, 148 flow [2020-10-06 01:16:45,427 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 189154 states. [2020-10-06 01:16:45,427 INFO L276 IsEmpty]: Start isEmpty. Operand 189154 states. [2020-10-06 01:16:45,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-06 01:16:45,427 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:16:45,428 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-06 01:16:45,428 INFO L427 AbstractCegarLoop]: === Iteration 1 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 01:16:45,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:16:45,428 INFO L82 PathProgramCache]: Analyzing trace with hash 1187628873, now seen corresponding path program 1 times [2020-10-06 01:16:45,429 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:16:45,429 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970015259] [2020-10-06 01:16:45,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:16:45,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:16:45,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 01:16:45,462 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970015259] [2020-10-06 01:16:45,462 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 01:16:45,463 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-06 01:16:45,463 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2044888860] [2020-10-06 01:16:45,463 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 01:16:45,463 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 01:16:45,464 INFO L258 McrAutomatonBuilder]: Finished intersection with 6 states and 5 transitions. [2020-10-06 01:16:45,467 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 01:16:45,467 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-06 01:16:45,467 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-06 01:16:45,467 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 01:16:45,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-06 01:16:45,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-06 01:16:45,468 INFO L87 Difference]: Start difference. First operand 189154 states. Second operand 4 states. [2020-10-06 01:16:51,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 01:16:51,508 INFO L93 Difference]: Finished difference Result 137243 states and 715653 transitions. [2020-10-06 01:16:51,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-06 01:16:51,509 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 [2020-10-06 01:16:51,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 01:16:52,065 INFO L225 Difference]: With dead ends: 137243 [2020-10-06 01:16:52,065 INFO L226 Difference]: Without dead ends: 136922 [2020-10-06 01:16:52,066 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-06 01:16:58,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136922 states. [2020-10-06 01:17:01,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136922 to 136922. [2020-10-06 01:17:01,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136922 states. [2020-10-06 01:17:02,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136922 states to 136922 states and 713643 transitions. [2020-10-06 01:17:02,184 INFO L78 Accepts]: Start accepts. Automaton has 136922 states and 713643 transitions. Word has length 5 [2020-10-06 01:17:02,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 01:17:02,184 INFO L479 AbstractCegarLoop]: Abstraction has 136922 states and 713643 transitions. [2020-10-06 01:17:02,184 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-06 01:17:02,184 INFO L276 IsEmpty]: Start isEmpty. Operand 136922 states and 713643 transitions. [2020-10-06 01:17:02,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-06 01:17:02,185 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:17:02,185 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 01:17:02,185 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-06 01:17:02,185 INFO L427 AbstractCegarLoop]: === Iteration 2 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 01:17:02,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:17:02,186 INFO L82 PathProgramCache]: Analyzing trace with hash -466460212, now seen corresponding path program 1 times [2020-10-06 01:17:02,186 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:17:02,187 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239290137] [2020-10-06 01:17:02,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:17:02,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:17:02,235 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 01:17:02,236 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239290137] [2020-10-06 01:17:02,236 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 01:17:02,237 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-06 01:17:02,237 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1712317750] [2020-10-06 01:17:02,237 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 01:17:02,238 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 01:17:02,240 INFO L258 McrAutomatonBuilder]: Finished intersection with 26 states and 38 transitions. [2020-10-06 01:17:02,240 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 01:17:02,271 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [789538#(<= ~s~0 ~t~0)] [2020-10-06 01:17:02,271 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-06 01:17:02,272 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 01:17:02,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-06 01:17:02,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2020-10-06 01:17:02,272 INFO L87 Difference]: Start difference. First operand 136922 states and 713643 transitions. Second operand 7 states. [2020-10-06 01:17:03,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 01:17:03,111 INFO L93 Difference]: Finished difference Result 134361 states and 559678 transitions. [2020-10-06 01:17:03,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-06 01:17:03,111 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 12 [2020-10-06 01:17:03,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 01:17:03,487 INFO L225 Difference]: With dead ends: 134361 [2020-10-06 01:17:03,488 INFO L226 Difference]: Without dead ends: 134225 [2020-10-06 01:17:03,488 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2020-10-06 01:17:14,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134225 states. [2020-10-06 01:17:21,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134225 to 123153. [2020-10-06 01:17:21,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123153 states. [2020-10-06 01:17:21,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123153 states to 123153 states and 524945 transitions. [2020-10-06 01:17:21,651 INFO L78 Accepts]: Start accepts. Automaton has 123153 states and 524945 transitions. Word has length 12 [2020-10-06 01:17:21,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 01:17:21,651 INFO L479 AbstractCegarLoop]: Abstraction has 123153 states and 524945 transitions. [2020-10-06 01:17:21,652 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-06 01:17:21,652 INFO L276 IsEmpty]: Start isEmpty. Operand 123153 states and 524945 transitions. [2020-10-06 01:17:21,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-06 01:17:21,653 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:17:21,653 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 01:17:21,653 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-06 01:17:21,653 INFO L427 AbstractCegarLoop]: === Iteration 3 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 01:17:21,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:17:21,653 INFO L82 PathProgramCache]: Analyzing trace with hash -1352169137, now seen corresponding path program 1 times [2020-10-06 01:17:21,654 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:17:21,654 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401416357] [2020-10-06 01:17:21,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:17:21,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:17:21,717 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 01:17:21,718 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401416357] [2020-10-06 01:17:21,718 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1539073110] [2020-10-06 01:17:21,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-06 01:17:21,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:17:21,785 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2020-10-06 01:17:21,786 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-06 01:17:21,867 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 01:17:21,867 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-06 01:17:21,867 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 11 [2020-10-06 01:17:21,867 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1939650528] [2020-10-06 01:17:21,868 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 01:17:21,870 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 01:17:21,876 INFO L258 McrAutomatonBuilder]: Finished intersection with 54 states and 87 transitions. [2020-10-06 01:17:21,876 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 01:17:21,956 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 2 new interpolants: [1170273#(<= (+ ~s~0 3) ~t~0), 1170274#(<= ~s~0 ~t~0)] [2020-10-06 01:17:21,957 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-06 01:17:21,957 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 01:17:21,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-06 01:17:21,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2020-10-06 01:17:21,957 INFO L87 Difference]: Start difference. First operand 123153 states and 524945 transitions. Second operand 9 states. [2020-10-06 01:17:23,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 01:17:23,807 INFO L93 Difference]: Finished difference Result 115258 states and 490676 transitions. [2020-10-06 01:17:23,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-06 01:17:23,808 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 19 [2020-10-06 01:17:23,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 01:17:24,113 INFO L225 Difference]: With dead ends: 115258 [2020-10-06 01:17:24,113 INFO L226 Difference]: Without dead ends: 112183 [2020-10-06 01:17:24,114 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 43 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=83, Invalid=157, Unknown=0, NotChecked=0, Total=240 [2020-10-06 01:17:30,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112183 states. [2020-10-06 01:17:32,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112183 to 74535. [2020-10-06 01:17:32,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74535 states. [2020-10-06 01:17:32,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74535 states to 74535 states and 338855 transitions. [2020-10-06 01:17:32,533 INFO L78 Accepts]: Start accepts. Automaton has 74535 states and 338855 transitions. Word has length 19 [2020-10-06 01:17:32,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 01:17:32,533 INFO L479 AbstractCegarLoop]: Abstraction has 74535 states and 338855 transitions. [2020-10-06 01:17:32,533 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-06 01:17:32,533 INFO L276 IsEmpty]: Start isEmpty. Operand 74535 states and 338855 transitions. [2020-10-06 01:17:32,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-06 01:17:32,544 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:17:32,544 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 01:17:32,759 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2020-10-06 01:17:32,760 INFO L427 AbstractCegarLoop]: === Iteration 4 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 01:17:32,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:17:32,760 INFO L82 PathProgramCache]: Analyzing trace with hash 702128774, now seen corresponding path program 1 times [2020-10-06 01:17:32,762 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:17:32,763 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961235007] [2020-10-06 01:17:32,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:17:32,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-06 01:17:32,861 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-06 01:17:32,862 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961235007] [2020-10-06 01:17:32,862 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-06 01:17:32,862 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-06 01:17:32,862 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [227198392] [2020-10-06 01:17:32,863 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-06 01:17:32,866 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-06 01:17:32,884 INFO L258 McrAutomatonBuilder]: Finished intersection with 90 states and 152 transitions. [2020-10-06 01:17:32,884 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-06 01:17:33,069 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 5 new interpolants: [1434615#(or (and (= ~s~0 0) (<= 3 ~t~0)) (<= ~t~0 ~s~0)), 1434617#(or (<= (+ ~t~0 2) ~s~0) (and (= ~s~0 0) (<= 1 ~t~0))), 1434616#(or (<= (+ ~t~0 1) ~s~0) (and (= ~s~0 0) (<= 2 ~t~0))), 1434619#(<= ~s~0 ~t~0), 1434618#(or (and (= ~s~0 0) (<= 0 ~t~0)) (<= (+ ~t~0 3) ~s~0))] [2020-10-06 01:17:33,070 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-06 01:17:33,070 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-06 01:17:33,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-06 01:17:33,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2020-10-06 01:17:33,070 INFO L87 Difference]: Start difference. First operand 74535 states and 338855 transitions. Second operand 15 states. [2020-10-06 01:17:34,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-06 01:17:34,176 INFO L93 Difference]: Finished difference Result 71098 states and 333522 transitions. [2020-10-06 01:17:34,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-06 01:17:34,176 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 26 [2020-10-06 01:17:34,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-06 01:17:34,385 INFO L225 Difference]: With dead ends: 71098 [2020-10-06 01:17:34,385 INFO L226 Difference]: Without dead ends: 69951 [2020-10-06 01:17:34,385 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 54 SyntacticMatches, 4 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2020-10-06 01:17:35,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69951 states. [2020-10-06 01:17:36,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69951 to 40226. [2020-10-06 01:17:36,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40226 states. [2020-10-06 01:17:36,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40226 states to 40226 states and 195104 transitions. [2020-10-06 01:17:36,568 INFO L78 Accepts]: Start accepts. Automaton has 40226 states and 195104 transitions. Word has length 26 [2020-10-06 01:17:36,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-06 01:17:36,568 INFO L479 AbstractCegarLoop]: Abstraction has 40226 states and 195104 transitions. [2020-10-06 01:17:36,568 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-06 01:17:36,568 INFO L276 IsEmpty]: Start isEmpty. Operand 40226 states and 195104 transitions. [2020-10-06 01:17:36,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-06 01:17:36,583 INFO L414 BasicCegarLoop]: Found error trace [2020-10-06 01:17:36,583 INFO L422 BasicCegarLoop]: trace histogram [7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-06 01:17:36,583 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-06 01:17:36,583 INFO L427 AbstractCegarLoop]: === Iteration 5 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-06 01:17:36,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-06 01:17:36,584 INFO L82 PathProgramCache]: Analyzing trace with hash -1683815221, now seen corresponding path program 1 times [2020-10-06 01:17:36,590 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-06 01:17:36,590 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953360547] [2020-10-06 01:17:36,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-06 01:17:36,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-06 01:17:36,601 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-06 01:17:36,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-06 01:17:36,609 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-06 01:17:36,615 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-06 01:17:36,615 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-06 01:17:36,616 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-06 01:17:36,616 WARN L633 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-06 01:17:36,616 WARN L363 ceAbstractionStarter]: 6 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-06 01:17:36,617 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 7 thread instances. [2020-10-06 01:17:36,627 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of7ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,628 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of7ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,628 WARN L313 ript$VariableManager]: TermVariabe thrThread2of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,628 WARN L313 ript$VariableManager]: TermVariabe thrThread2of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,628 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of7ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,628 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of7ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,628 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of7ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,628 WARN L313 ript$VariableManager]: TermVariabe thrThread2of7ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,629 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of7ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,629 WARN L313 ript$VariableManager]: TermVariabe thrThread2of7ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,629 WARN L313 ript$VariableManager]: TermVariabe thrThread2of7ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,629 WARN L313 ript$VariableManager]: TermVariabe thrThread2of7ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,629 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of7ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,629 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of7ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,629 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,630 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,630 WARN L313 ript$VariableManager]: TermVariabe |thrThread6of7ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,630 WARN L313 ript$VariableManager]: TermVariabe |thrThread6of7ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,630 WARN L313 ript$VariableManager]: TermVariabe thrThread6of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,630 WARN L313 ript$VariableManager]: TermVariabe thrThread6of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,630 WARN L313 ript$VariableManager]: TermVariabe |thrThread6of7ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,630 WARN L313 ript$VariableManager]: TermVariabe |thrThread6of7ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,630 WARN L313 ript$VariableManager]: TermVariabe |thrThread6of7ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,631 WARN L313 ript$VariableManager]: TermVariabe thrThread6of7ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,631 WARN L313 ript$VariableManager]: TermVariabe |thrThread6of7ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,631 WARN L313 ript$VariableManager]: TermVariabe thrThread6of7ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,631 WARN L313 ript$VariableManager]: TermVariabe thrThread6of7ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,631 WARN L313 ript$VariableManager]: TermVariabe thrThread6of7ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,631 WARN L313 ript$VariableManager]: TermVariabe |thrThread6of7ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,631 WARN L313 ript$VariableManager]: TermVariabe |thrThread6of7ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,632 WARN L313 ript$VariableManager]: TermVariabe |thrThread6of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,632 WARN L313 ript$VariableManager]: TermVariabe |thrThread6of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,632 WARN L313 ript$VariableManager]: TermVariabe |thrThread7of7ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,632 WARN L313 ript$VariableManager]: TermVariabe |thrThread7of7ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,632 WARN L313 ript$VariableManager]: TermVariabe thrThread7of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,632 WARN L313 ript$VariableManager]: TermVariabe thrThread7of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,632 WARN L313 ript$VariableManager]: TermVariabe |thrThread7of7ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,633 WARN L313 ript$VariableManager]: TermVariabe |thrThread7of7ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,633 WARN L313 ript$VariableManager]: TermVariabe |thrThread7of7ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,633 WARN L313 ript$VariableManager]: TermVariabe thrThread7of7ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,633 WARN L313 ript$VariableManager]: TermVariabe |thrThread7of7ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,633 WARN L313 ript$VariableManager]: TermVariabe thrThread7of7ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,633 WARN L313 ript$VariableManager]: TermVariabe thrThread7of7ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,633 WARN L313 ript$VariableManager]: TermVariabe thrThread7of7ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,633 WARN L313 ript$VariableManager]: TermVariabe |thrThread7of7ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,634 WARN L313 ript$VariableManager]: TermVariabe |thrThread7of7ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,634 WARN L313 ript$VariableManager]: TermVariabe |thrThread7of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,634 WARN L313 ript$VariableManager]: TermVariabe |thrThread7of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,634 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of7ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,634 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of7ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,634 WARN L313 ript$VariableManager]: TermVariabe thrThread1of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,634 WARN L313 ript$VariableManager]: TermVariabe thrThread1of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,635 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of7ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,635 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of7ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,635 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of7ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,635 WARN L313 ript$VariableManager]: TermVariabe thrThread1of7ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,635 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of7ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,635 WARN L313 ript$VariableManager]: TermVariabe thrThread1of7ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,635 WARN L313 ript$VariableManager]: TermVariabe thrThread1of7ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,635 WARN L313 ript$VariableManager]: TermVariabe thrThread1of7ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,636 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of7ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,636 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of7ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,636 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,636 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,636 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of7ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,636 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of7ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,637 WARN L313 ript$VariableManager]: TermVariabe thrThread3of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,637 WARN L313 ript$VariableManager]: TermVariabe thrThread3of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,637 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of7ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,637 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of7ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,637 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of7ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,637 WARN L313 ript$VariableManager]: TermVariabe thrThread3of7ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,637 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of7ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,637 WARN L313 ript$VariableManager]: TermVariabe thrThread3of7ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,638 WARN L313 ript$VariableManager]: TermVariabe thrThread3of7ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,638 WARN L313 ript$VariableManager]: TermVariabe thrThread3of7ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,638 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of7ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,638 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of7ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,638 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,638 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,638 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of7ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,639 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of7ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,639 WARN L313 ript$VariableManager]: TermVariabe thrThread4of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,639 WARN L313 ript$VariableManager]: TermVariabe thrThread4of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,639 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of7ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,639 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of7ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,639 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of7ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,639 WARN L313 ript$VariableManager]: TermVariabe thrThread4of7ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,640 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of7ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,640 WARN L313 ript$VariableManager]: TermVariabe thrThread4of7ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,640 WARN L313 ript$VariableManager]: TermVariabe thrThread4of7ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,640 WARN L313 ript$VariableManager]: TermVariabe thrThread4of7ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,640 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of7ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,640 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of7ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,640 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,640 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,641 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of7ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,641 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of7ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,641 WARN L313 ript$VariableManager]: TermVariabe thrThread5of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,641 WARN L313 ript$VariableManager]: TermVariabe thrThread5of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,641 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of7ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,641 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of7ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,641 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of7ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,642 WARN L313 ript$VariableManager]: TermVariabe thrThread5of7ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,642 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of7ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,642 WARN L313 ript$VariableManager]: TermVariabe thrThread5of7ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,642 WARN L313 ript$VariableManager]: TermVariabe thrThread5of7ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,642 WARN L313 ript$VariableManager]: TermVariabe thrThread5of7ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,642 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of7ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,643 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of7ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,643 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,643 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,643 WARN L313 ript$VariableManager]: TermVariabe thrThread1of7ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,643 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of7ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,644 WARN L313 ript$VariableManager]: TermVariabe thrThread1of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,644 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,644 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of7ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,644 WARN L313 ript$VariableManager]: TermVariabe thrThread1of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,644 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of7ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,644 WARN L313 ript$VariableManager]: TermVariabe |thrThread1of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,646 WARN L313 ript$VariableManager]: TermVariabe thrThread2of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,646 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,647 WARN L313 ript$VariableManager]: TermVariabe thrThread2of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,647 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of7ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,647 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of7ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,647 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of7ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,647 WARN L313 ript$VariableManager]: TermVariabe thrThread2of7ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,647 WARN L313 ript$VariableManager]: TermVariabe |thrThread2of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,648 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,648 WARN L313 ript$VariableManager]: TermVariabe thrThread3of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,648 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of7ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,649 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,649 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of7ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,649 WARN L313 ript$VariableManager]: TermVariabe thrThread3of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,649 WARN L313 ript$VariableManager]: TermVariabe |thrThread3of7ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,649 WARN L313 ript$VariableManager]: TermVariabe thrThread3of7ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,650 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,650 WARN L313 ript$VariableManager]: TermVariabe thrThread4of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,650 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of7ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,650 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of7ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,651 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of7ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,651 WARN L313 ript$VariableManager]: TermVariabe thrThread4of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,651 WARN L313 ript$VariableManager]: TermVariabe |thrThread4of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,651 WARN L313 ript$VariableManager]: TermVariabe thrThread4of7ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,652 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of7ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,652 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,652 WARN L313 ript$VariableManager]: TermVariabe thrThread5of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,652 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of7ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,652 WARN L313 ript$VariableManager]: TermVariabe thrThread5of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,653 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,653 WARN L313 ript$VariableManager]: TermVariabe |thrThread5of7ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,653 WARN L313 ript$VariableManager]: TermVariabe thrThread5of7ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,654 WARN L313 ript$VariableManager]: TermVariabe thrThread6of7ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,654 WARN L313 ript$VariableManager]: TermVariabe |thrThread6of7ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,654 WARN L313 ript$VariableManager]: TermVariabe thrThread6of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,654 WARN L313 ript$VariableManager]: TermVariabe |thrThread6of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,654 WARN L313 ript$VariableManager]: TermVariabe |thrThread6of7ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,654 WARN L313 ript$VariableManager]: TermVariabe |thrThread6of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,654 WARN L313 ript$VariableManager]: TermVariabe thrThread6of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,655 WARN L313 ript$VariableManager]: TermVariabe |thrThread6of7ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,655 WARN L313 ript$VariableManager]: TermVariabe thrThread7of7ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,656 WARN L313 ript$VariableManager]: TermVariabe thrThread7of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,656 WARN L313 ript$VariableManager]: TermVariabe |thrThread7of7ForFork0_incs_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,656 WARN L313 ript$VariableManager]: TermVariabe |thrThread7of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,656 WARN L313 ript$VariableManager]: TermVariabe |thrThread7of7ForFork0_inct_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,656 WARN L313 ript$VariableManager]: TermVariabe |thrThread7of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,656 WARN L313 ript$VariableManager]: TermVariabe thrThread7of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,656 WARN L313 ript$VariableManager]: TermVariabe |thrThread7of7ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-06 01:17:36,657 INFO L251 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2020-10-06 01:17:36,658 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-06 01:17:36,658 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-06 01:17:36,658 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-06 01:17:36,658 INFO L378 AbstractCegarLoop]: Backedges is MCR [2020-10-06 01:17:36,658 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-06 01:17:36,658 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-06 01:17:36,658 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-06 01:17:36,658 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-06 01:17:36,660 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 146 places, 140 transitions, 357 flow [2020-10-06 01:17:36,660 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 146 places, 140 transitions, 357 flow [2020-10-06 01:17:36,685 INFO L129 PetriNetUnfolder]: 16/227 cut-off events. [2020-10-06 01:17:36,686 INFO L130 PetriNetUnfolder]: For 77/77 co-relation queries the response was YES. [2020-10-06 01:17:36,688 INFO L80 FinitePrefix]: Finished finitePrefix Result has 277 conditions, 227 events. 16/227 cut-off events. For 77/77 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 511 event pairs, 0 based on Foata normal form. 0/196 useless extension candidates. Maximal degree in co-relation 225. Up to 16 conditions per place. [2020-10-06 01:17:36,696 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 146 places, 140 transitions, 357 flow [2020-10-06 01:17:36,721 INFO L129 PetriNetUnfolder]: 16/227 cut-off events. [2020-10-06 01:17:36,722 INFO L130 PetriNetUnfolder]: For 77/77 co-relation queries the response was YES. [2020-10-06 01:17:36,724 INFO L80 FinitePrefix]: Finished finitePrefix Result has 277 conditions, 227 events. 16/227 cut-off events. For 77/77 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 511 event pairs, 0 based on Foata normal form. 0/196 useless extension candidates. Maximal degree in co-relation 225. Up to 16 conditions per place. [2020-10-06 01:17:36,731 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 11564 [2020-10-06 01:17:36,732 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-10-06 01:17:38,006 WARN L193 SmtUtils]: Spent 792.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2020-10-06 01:17:38,963 INFO L206 etLargeBlockEncoding]: Checked pairs total: 18693 [2020-10-06 01:17:38,963 INFO L214 etLargeBlockEncoding]: Total number of compositions: 137 [2020-10-06 01:17:38,964 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 60 places, 49 transitions, 175 flow Received shutdown request... [2020-10-06 01:18:44,427 WARN L544 AbstractCegarLoop]: Verification canceled [2020-10-06 01:18:44,429 WARN L228 ceAbstractionStarter]: Timeout [2020-10-06 01:18:44,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.10 01:18:44 BasicIcfg [2020-10-06 01:18:44,430 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-06 01:18:44,431 INFO L168 Benchmark]: Toolchain (without parser) took 238256.41 ms. Allocated memory was 140.5 MB in the beginning and 2.8 GB in the end (delta: 2.6 GB). Free memory was 101.1 MB in the beginning and 1.7 GB in the end (delta: -1.6 GB). Peak memory consumption was 3.4 GB. Max. memory is 7.1 GB. [2020-10-06 01:18:44,440 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 140.5 MB. Free memory was 120.8 MB in the beginning and 120.4 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. [2020-10-06 01:18:44,441 INFO L168 Benchmark]: CACSL2BoogieTranslator took 657.73 ms. Allocated memory was 140.5 MB in the beginning and 202.9 MB in the end (delta: 62.4 MB). Free memory was 101.1 MB in the beginning and 160.2 MB in the end (delta: -59.1 MB). Peak memory consumption was 22.7 MB. Max. memory is 7.1 GB. [2020-10-06 01:18:44,441 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.98 ms. Allocated memory is still 202.9 MB. Free memory was 160.2 MB in the beginning and 158.3 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2020-10-06 01:18:44,442 INFO L168 Benchmark]: Boogie Preprocessor took 49.29 ms. Allocated memory is still 202.9 MB. Free memory was 158.3 MB in the beginning and 156.5 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2020-10-06 01:18:44,446 INFO L168 Benchmark]: RCFGBuilder took 422.62 ms. Allocated memory is still 202.9 MB. Free memory was 156.5 MB in the beginning and 136.5 MB in the end (delta: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 7.1 GB. [2020-10-06 01:18:44,447 INFO L168 Benchmark]: TraceAbstraction took 237049.08 ms. Allocated memory was 202.9 MB in the beginning and 2.8 GB in the end (delta: 2.6 GB). Free memory was 135.5 MB in the beginning and 1.7 GB in the end (delta: -1.6 GB). Peak memory consumption was 3.4 GB. Max. memory is 7.1 GB. [2020-10-06 01:18:44,457 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 140.5 MB. Free memory was 120.8 MB in the beginning and 120.4 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 657.73 ms. Allocated memory was 140.5 MB in the beginning and 202.9 MB in the end (delta: 62.4 MB). Free memory was 101.1 MB in the beginning and 160.2 MB in the end (delta: -59.1 MB). Peak memory consumption was 22.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 71.98 ms. Allocated memory is still 202.9 MB. Free memory was 160.2 MB in the beginning and 158.3 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 49.29 ms. Allocated memory is still 202.9 MB. Free memory was 158.3 MB in the beginning and 156.5 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 422.62 ms. Allocated memory is still 202.9 MB. Free memory was 156.5 MB in the beginning and 136.5 MB in the end (delta: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 237049.08 ms. Allocated memory was 202.9 MB in the beginning and 2.8 GB in the end (delta: 2.6 GB). Free memory was 135.5 MB in the beginning and 1.7 GB in the end (delta: -1.6 GB). Peak memory consumption was 3.4 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.0s, 50 ProgramPointsBefore, 11 ProgramPointsAfterwards, 50 TransitionsBefore, 8 TransitionsAfterwards, 392 CoEnabledTransitionPairs, 7 FixpointIterations, 20 TrivialSequentialCompositions, 22 ConcurrentSequentialCompositions, 2 TrivialYvCompositions, 6 ConcurrentYvCompositions, 3 ChoiceCompositions, 205 VarBasedMoverChecksPositive, 0 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 278 CheckedPairsTotal, 50 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 0.8s, 66 ProgramPointsBefore, 22 ProgramPointsAfterwards, 65 TransitionsBefore, 18 TransitionsAfterwards, 1204 CoEnabledTransitionPairs, 6 FixpointIterations, 20 TrivialSequentialCompositions, 27 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 10 ConcurrentYvCompositions, 3 ChoiceCompositions, 628 VarBasedMoverChecksPositive, 27 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 1769 CheckedPairsTotal, 58 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.0s, 82 ProgramPointsBefore, 29 ProgramPointsAfterwards, 80 TransitionsBefore, 24 TransitionsAfterwards, 2436 CoEnabledTransitionPairs, 6 FixpointIterations, 21 TrivialSequentialCompositions, 38 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 16 ConcurrentYvCompositions, 3 ChoiceCompositions, 1328 VarBasedMoverChecksPositive, 30 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 3671 CheckedPairsTotal, 76 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.2s, 98 ProgramPointsBefore, 37 ProgramPointsAfterwards, 95 TransitionsBefore, 30 TransitionsAfterwards, 4088 CoEnabledTransitionPairs, 7 FixpointIterations, 22 TrivialSequentialCompositions, 51 ConcurrentSequentialCompositions, 2 TrivialYvCompositions, 17 ConcurrentYvCompositions, 4 ChoiceCompositions, 2226 VarBasedMoverChecksPositive, 46 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 6947 CheckedPairsTotal, 92 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.2s, 114 ProgramPointsBefore, 46 ProgramPointsAfterwards, 110 TransitionsBefore, 39 TransitionsAfterwards, 6160 CoEnabledTransitionPairs, 7 FixpointIterations, 23 TrivialSequentialCompositions, 61 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 22 ConcurrentYvCompositions, 3 ChoiceCompositions, 3375 VarBasedMoverChecksPositive, 49 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 11695 CheckedPairsTotal, 107 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.6s, 130 ProgramPointsBefore, 52 ProgramPointsAfterwards, 125 TransitionsBefore, 44 TransitionsAfterwards, 8652 CoEnabledTransitionPairs, 6 FixpointIterations, 21 TrivialSequentialCompositions, 73 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 26 ConcurrentYvCompositions, 3 ChoiceCompositions, 4757 VarBasedMoverChecksPositive, 64 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 15305 CheckedPairsTotal, 121 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 2.3s, 146 ProgramPointsBefore, 60 ProgramPointsAfterwards, 140 TransitionsBefore, 49 TransitionsAfterwards, 11564 CoEnabledTransitionPairs, 6 FixpointIterations, 22 TrivialSequentialCompositions, 84 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 30 ConcurrentYvCompositions, 5 ChoiceCompositions, 6391 VarBasedMoverChecksPositive, 72 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 18693 CheckedPairsTotal, 137 TotalNumberOfCompositions - TimeoutResultAtElement [Line: 679]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 679). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 60 places, 49 transitions, 175 flow. Already constructed 208783 states. Currently 56655 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 47 locations, 1 error locations. Started 7 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 236.7s, OverallIterations: 20, TraceHistogramMax: 7, AutomataDifference: 13.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 176.7s, HoareTripleCheckerStatistics: 385 SDtfs, 871 SDslu, 860 SDs, 0 SdLazy, 2280 SolverSat, 512 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 274 GetRequests, 184 SyntacticMatches, 6 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 270 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=189154occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 43.2s AutomataMinimizationTime, 14 MinimizatonAttempts, 90527 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 311 NumberOfCodeBlocks, 311 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 193 ConstructedInterpolants, 0 QuantifiedInterpolants, 19183 SizeOfPredicates, 0 NumberOfNonLiveVariables, 273 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 17 InterpolantComputations, 12 PerfectInterpolantSequences, 47/68 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown