/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread/queue_longest.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-11af1e5 [2020-10-09 10:50:04,821 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-09 10:50:04,823 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-09 10:50:04,847 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-09 10:50:04,847 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-09 10:50:04,848 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-09 10:50:04,850 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-09 10:50:04,852 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-09 10:50:04,853 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-09 10:50:04,854 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-09 10:50:04,855 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-09 10:50:04,856 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-09 10:50:04,856 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-09 10:50:04,857 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-09 10:50:04,858 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-09 10:50:04,860 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-09 10:50:04,860 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-09 10:50:04,861 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-09 10:50:04,863 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-09 10:50:04,865 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-09 10:50:04,866 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-09 10:50:04,867 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-09 10:50:04,868 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-09 10:50:04,869 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-09 10:50:04,872 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-09 10:50:04,872 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-09 10:50:04,872 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-09 10:50:04,873 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-09 10:50:04,873 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-09 10:50:04,874 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-09 10:50:04,874 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-09 10:50:04,875 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-09 10:50:04,876 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-09 10:50:04,877 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-09 10:50:04,878 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-09 10:50:04,878 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-09 10:50:04,878 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-09 10:50:04,879 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-09 10:50:04,879 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-09 10:50:04,880 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-09 10:50:04,880 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-09 10:50:04,884 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-09 10:50:04,912 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-09 10:50:04,913 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-09 10:50:04,914 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-09 10:50:04,914 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-09 10:50:04,914 INFO L138 SettingsManager]: * Use SBE=true [2020-10-09 10:50:04,915 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-09 10:50:04,915 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-09 10:50:04,915 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-09 10:50:04,915 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-09 10:50:04,915 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-09 10:50:04,915 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-09 10:50:04,916 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-09 10:50:04,916 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-09 10:50:04,916 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-09 10:50:04,916 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-09 10:50:04,916 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-09 10:50:04,917 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-09 10:50:04,917 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-09 10:50:04,917 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-09 10:50:04,917 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-09 10:50:04,917 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-09 10:50:04,918 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-09 10:50:04,918 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-09 10:50:04,918 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-09 10:50:04,918 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-09 10:50:04,918 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-09 10:50:04,919 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-09 10:50:04,919 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-09 10:50:04,919 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-09 10:50:04,919 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-09 10:50:05,194 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-09 10:50:05,206 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-09 10:50:05,209 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-09 10:50:05,210 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-09 10:50:05,211 INFO L275 PluginConnector]: CDTParser initialized [2020-10-09 10:50:05,212 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/queue_longest.i [2020-10-09 10:50:05,286 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17a63b8f3/8907df664ba140eca9721848366c43f1/FLAG4ef8bc587 [2020-10-09 10:50:05,890 INFO L306 CDTParser]: Found 1 translation units. [2020-10-09 10:50:05,891 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_longest.i [2020-10-09 10:50:05,908 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17a63b8f3/8907df664ba140eca9721848366c43f1/FLAG4ef8bc587 [2020-10-09 10:50:06,135 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17a63b8f3/8907df664ba140eca9721848366c43f1 [2020-10-09 10:50:06,146 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-09 10:50:06,148 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-09 10:50:06,149 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-09 10:50:06,149 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-09 10:50:06,154 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-09 10:50:06,155 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.10 10:50:06" (1/1) ... [2020-10-09 10:50:06,159 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@612d7fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 10:50:06, skipping insertion in model container [2020-10-09 10:50:06,159 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.10 10:50:06" (1/1) ... [2020-10-09 10:50:06,171 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-09 10:50:06,249 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-09 10:50:06,843 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-09 10:50:06,858 INFO L203 MainTranslator]: Completed pre-run [2020-10-09 10:50:06,919 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-09 10:50:07,071 INFO L208 MainTranslator]: Completed translation [2020-10-09 10:50:07,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 10:50:07 WrapperNode [2020-10-09 10:50:07,072 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-09 10:50:07,073 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-09 10:50:07,073 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-09 10:50:07,074 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-09 10:50:07,083 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 10:50:07" (1/1) ... [2020-10-09 10:50:07,111 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 10:50:07" (1/1) ... [2020-10-09 10:50:07,178 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-09 10:50:07,179 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-09 10:50:07,179 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-09 10:50:07,179 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-09 10:50:07,190 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 10:50:07" (1/1) ... [2020-10-09 10:50:07,190 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 10:50:07" (1/1) ... [2020-10-09 10:50:07,213 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 10:50:07" (1/1) ... [2020-10-09 10:50:07,213 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 10:50:07" (1/1) ... [2020-10-09 10:50:07,232 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 10:50:07" (1/1) ... [2020-10-09 10:50:07,237 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 10:50:07" (1/1) ... [2020-10-09 10:50:07,240 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 10:50:07" (1/1) ... [2020-10-09 10:50:07,244 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-09 10:50:07,245 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-09 10:50:07,245 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-09 10:50:07,245 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-09 10:50:07,246 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 10:50:07" (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 [2020-10-09 10:50:07,304 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2020-10-09 10:50:07,305 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2020-10-09 10:50:07,305 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2020-10-09 10:50:07,305 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2020-10-09 10:50:07,305 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-09 10:50:07,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-09 10:50:07,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-09 10:50:07,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-09 10:50:07,306 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-09 10:50:07,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-09 10:50:07,307 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-09 10:50:07,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-09 10:50:07,309 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-09 10:50:07,953 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-09 10:50:07,953 INFO L298 CfgBuilder]: Removed 18 assume(true) statements. [2020-10-09 10:50:07,955 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.10 10:50:07 BoogieIcfgContainer [2020-10-09 10:50:07,955 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-09 10:50:07,957 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-09 10:50:07,957 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-09 10:50:07,961 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-09 10:50:07,962 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.10 10:50:06" (1/3) ... [2020-10-09 10:50:07,962 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b34ccd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.10 10:50:07, skipping insertion in model container [2020-10-09 10:50:07,963 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 10:50:07" (2/3) ... [2020-10-09 10:50:07,963 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b34ccd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.10 10:50:07, skipping insertion in model container [2020-10-09 10:50:07,963 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.10 10:50:07" (3/3) ... [2020-10-09 10:50:07,965 INFO L111 eAbstractionObserver]: Analyzing ICFG queue_longest.i [2020-10-09 10:50:07,978 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-09 10:50:07,978 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-09 10:50:07,987 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-09 10:50:07,988 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-09 10:50:08,032 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,033 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,033 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,034 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,034 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,034 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,034 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,035 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,035 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,035 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,035 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,036 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,036 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,036 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,036 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,037 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,037 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,037 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,037 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,038 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,038 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,038 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,038 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,038 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,039 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,039 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,039 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,039 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,040 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,040 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,040 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,040 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,041 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,041 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,041 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,041 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,041 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,042 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,042 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,042 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,042 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,043 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,043 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,043 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,043 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,044 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,044 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,044 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,044 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,044 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,045 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,045 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,045 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,045 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,046 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,046 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,046 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,046 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,046 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,047 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,047 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,047 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,047 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,048 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,048 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,048 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,048 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,048 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,049 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,049 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,049 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,049 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,050 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,050 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,050 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,050 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,051 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,051 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,051 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,051 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,052 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,052 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,052 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,052 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,053 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,053 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,053 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,053 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,053 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,054 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,054 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,054 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,054 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,055 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,055 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,055 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,055 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,055 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,056 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,056 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,056 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,056 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,056 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,057 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,057 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,057 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,057 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,058 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,058 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,058 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,058 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,059 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,059 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,059 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,059 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,060 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,060 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,060 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,060 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,061 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,061 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,061 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,061 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,062 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,062 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,062 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,062 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,062 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,063 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,063 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,063 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,063 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,063 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,064 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,064 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,064 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,064 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,064 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,065 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,065 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,065 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,065 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,065 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,066 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,066 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,066 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,066 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,066 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,067 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,067 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,067 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,067 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,067 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,068 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,068 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,068 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,068 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,069 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,069 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,069 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,069 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,070 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,070 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,070 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,070 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,070 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,071 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,071 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,071 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,071 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,071 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,072 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,072 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,072 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,072 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,073 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,073 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,073 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,073 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,073 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,074 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,074 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,074 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,074 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,075 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,075 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,075 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,075 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,075 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,076 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,076 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,076 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,076 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,076 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,078 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,096 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,096 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,096 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,097 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,097 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,097 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,097 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,097 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,098 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,098 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,098 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,098 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,098 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,099 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,099 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,099 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,099 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,099 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,099 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,100 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,100 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,100 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,100 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,100 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,100 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,101 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,101 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,101 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,101 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,101 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,101 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,102 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,102 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,102 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,102 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,102 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,102 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,103 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,103 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,103 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,103 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,103 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,103 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,104 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,104 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,104 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,104 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,104 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,105 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,105 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,105 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,105 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,105 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,105 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,106 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,106 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,106 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,106 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,106 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,107 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,107 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,107 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,107 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,107 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,108 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,108 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,108 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,108 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,108 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,109 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,109 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,109 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,109 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,109 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,109 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,110 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,110 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,110 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,110 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,110 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,111 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,111 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,111 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,111 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,111 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,111 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,112 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,112 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,112 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,115 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,116 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,116 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,116 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,116 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,116 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,116 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,117 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,117 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,117 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,117 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,117 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,117 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,118 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,118 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,118 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,118 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,118 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,119 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,119 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,119 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,119 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,119 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,120 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,120 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,120 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,120 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,120 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,120 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,121 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,121 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,121 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,121 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,121 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,121 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,129 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,129 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,129 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,130 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,130 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,130 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,130 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,130 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,131 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,131 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,131 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,131 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,131 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,131 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,132 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,132 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,132 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,132 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,132 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,132 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,133 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,133 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 10:50:08,155 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-10-09 10:50:08,177 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-09 10:50:08,177 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-09 10:50:08,177 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-09 10:50:08,177 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-09 10:50:08,178 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-09 10:50:08,178 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-09 10:50:08,178 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-09 10:50:08,178 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-09 10:50:08,196 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-09 10:50:08,199 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 234 places, 244 transitions, 510 flow [2020-10-09 10:50:08,202 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 234 places, 244 transitions, 510 flow [2020-10-09 10:50:08,204 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 234 places, 244 transitions, 510 flow [2020-10-09 10:50:08,310 INFO L129 PetriNetUnfolder]: 16/244 cut-off events. [2020-10-09 10:50:08,310 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-09 10:50:08,321 INFO L80 FinitePrefix]: Finished finitePrefix Result has 255 conditions, 244 events. 16/244 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 381 event pairs, 0 based on Foata normal form. 0/226 useless extension candidates. Maximal degree in co-relation 179. Up to 3 conditions per place. [2020-10-09 10:50:08,334 INFO L117 LiptonReduction]: Number of co-enabled transitions 14896 [2020-10-09 10:50:11,704 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 63 [2020-10-09 10:50:13,368 WARN L193 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 109 [2020-10-09 10:50:13,623 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-10-09 10:50:14,440 WARN L193 SmtUtils]: Spent 801.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-09 10:50:15,417 WARN L193 SmtUtils]: Spent 975.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2020-10-09 10:50:15,447 INFO L132 LiptonReduction]: Checked pairs total: 35617 [2020-10-09 10:50:15,448 INFO L134 LiptonReduction]: Total number of compositions: 210 [2020-10-09 10:50:15,454 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 66 places, 71 transitions, 164 flow [2020-10-09 10:50:15,512 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1201 states. [2020-10-09 10:50:15,514 INFO L276 IsEmpty]: Start isEmpty. Operand 1201 states. [2020-10-09 10:50:15,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2020-10-09 10:50:15,520 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 10:50:15,521 INFO L421 BasicCegarLoop]: trace histogram [1] [2020-10-09 10:50:15,522 INFO L429 AbstractCegarLoop]: === Iteration 1 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 10:50:15,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 10:50:15,528 INFO L82 PathProgramCache]: Analyzing trace with hash 964, now seen corresponding path program 1 times [2020-10-09 10:50:15,538 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 10:50:15,538 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329126251] [2020-10-09 10:50:15,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 10:50:15,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 10:50:15,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 10:50:15,666 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329126251] [2020-10-09 10:50:15,667 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 10:50:15,667 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2020-10-09 10:50:15,668 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848167742] [2020-10-09 10:50:15,673 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-09 10:50:15,673 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 10:50:15,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-09 10:50:15,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-09 10:50:15,691 INFO L87 Difference]: Start difference. First operand 1201 states. Second operand 2 states. [2020-10-09 10:50:15,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 10:50:15,742 INFO L93 Difference]: Finished difference Result 1200 states and 3170 transitions. [2020-10-09 10:50:15,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-09 10:50:15,744 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 1 [2020-10-09 10:50:15,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 10:50:15,774 INFO L225 Difference]: With dead ends: 1200 [2020-10-09 10:50:15,774 INFO L226 Difference]: Without dead ends: 1109 [2020-10-09 10:50:15,776 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-09 10:50:15,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1109 states. [2020-10-09 10:50:15,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1109 to 1109. [2020-10-09 10:50:15,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1109 states. [2020-10-09 10:50:15,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1109 states to 1109 states and 2958 transitions. [2020-10-09 10:50:15,918 INFO L78 Accepts]: Start accepts. Automaton has 1109 states and 2958 transitions. Word has length 1 [2020-10-09 10:50:15,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 10:50:15,918 INFO L481 AbstractCegarLoop]: Abstraction has 1109 states and 2958 transitions. [2020-10-09 10:50:15,918 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-09 10:50:15,918 INFO L276 IsEmpty]: Start isEmpty. Operand 1109 states and 2958 transitions. [2020-10-09 10:50:15,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-09 10:50:15,921 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 10:50:15,921 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 10:50:15,922 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-09 10:50:15,922 INFO L429 AbstractCegarLoop]: === Iteration 2 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 10:50:15,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 10:50:15,922 INFO L82 PathProgramCache]: Analyzing trace with hash -484874631, now seen corresponding path program 1 times [2020-10-09 10:50:15,922 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 10:50:15,923 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302355031] [2020-10-09 10:50:15,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 10:50:15,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 10:50:16,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 10:50:16,076 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302355031] [2020-10-09 10:50:16,076 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 10:50:16,077 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-09 10:50:16,077 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100818112] [2020-10-09 10:50:16,079 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-09 10:50:16,079 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 10:50:16,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-09 10:50:16,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-09 10:50:16,080 INFO L87 Difference]: Start difference. First operand 1109 states and 2958 transitions. Second operand 3 states. [2020-10-09 10:50:16,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 10:50:16,108 INFO L93 Difference]: Finished difference Result 1109 states and 2921 transitions. [2020-10-09 10:50:16,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-09 10:50:16,109 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2020-10-09 10:50:16,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 10:50:16,120 INFO L225 Difference]: With dead ends: 1109 [2020-10-09 10:50:16,120 INFO L226 Difference]: Without dead ends: 1109 [2020-10-09 10:50:16,121 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-09 10:50:16,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1109 states. [2020-10-09 10:50:16,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1109 to 1109. [2020-10-09 10:50:16,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1109 states. [2020-10-09 10:50:16,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1109 states to 1109 states and 2921 transitions. [2020-10-09 10:50:16,160 INFO L78 Accepts]: Start accepts. Automaton has 1109 states and 2921 transitions. Word has length 11 [2020-10-09 10:50:16,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 10:50:16,160 INFO L481 AbstractCegarLoop]: Abstraction has 1109 states and 2921 transitions. [2020-10-09 10:50:16,160 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-09 10:50:16,160 INFO L276 IsEmpty]: Start isEmpty. Operand 1109 states and 2921 transitions. [2020-10-09 10:50:16,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-09 10:50:16,163 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 10:50:16,163 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 10:50:16,163 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-09 10:50:16,164 INFO L429 AbstractCegarLoop]: === Iteration 3 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 10:50:16,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 10:50:16,164 INFO L82 PathProgramCache]: Analyzing trace with hash -2105337476, now seen corresponding path program 1 times [2020-10-09 10:50:16,164 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 10:50:16,165 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950171969] [2020-10-09 10:50:16,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 10:50:16,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 10:50:16,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 10:50:16,527 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950171969] [2020-10-09 10:50:16,528 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 10:50:16,528 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-09 10:50:16,528 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964384474] [2020-10-09 10:50:16,528 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-09 10:50:16,529 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 10:50:16,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-09 10:50:16,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-09 10:50:16,529 INFO L87 Difference]: Start difference. First operand 1109 states and 2921 transitions. Second operand 5 states. [2020-10-09 10:50:16,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 10:50:16,865 INFO L93 Difference]: Finished difference Result 1108 states and 2918 transitions. [2020-10-09 10:50:16,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-09 10:50:16,866 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-10-09 10:50:16,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 10:50:16,873 INFO L225 Difference]: With dead ends: 1108 [2020-10-09 10:50:16,874 INFO L226 Difference]: Without dead ends: 1108 [2020-10-09 10:50:16,874 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-09 10:50:16,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1108 states. [2020-10-09 10:50:16,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1108 to 1108. [2020-10-09 10:50:16,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1108 states. [2020-10-09 10:50:16,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1108 states to 1108 states and 2918 transitions. [2020-10-09 10:50:16,907 INFO L78 Accepts]: Start accepts. Automaton has 1108 states and 2918 transitions. Word has length 13 [2020-10-09 10:50:16,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 10:50:16,907 INFO L481 AbstractCegarLoop]: Abstraction has 1108 states and 2918 transitions. [2020-10-09 10:50:16,907 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-09 10:50:16,907 INFO L276 IsEmpty]: Start isEmpty. Operand 1108 states and 2918 transitions. [2020-10-09 10:50:16,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-09 10:50:16,909 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 10:50:16,910 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 10:50:16,910 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-09 10:50:16,910 INFO L429 AbstractCegarLoop]: === Iteration 4 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 10:50:16,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 10:50:16,910 INFO L82 PathProgramCache]: Analyzing trace with hash 1475451711, now seen corresponding path program 1 times [2020-10-09 10:50:16,911 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 10:50:16,911 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580224518] [2020-10-09 10:50:16,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 10:50:16,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 10:50:16,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 10:50:16,958 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580224518] [2020-10-09 10:50:16,959 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 10:50:16,959 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-09 10:50:16,959 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464037500] [2020-10-09 10:50:16,960 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-09 10:50:16,960 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 10:50:16,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-09 10:50:16,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-09 10:50:16,960 INFO L87 Difference]: Start difference. First operand 1108 states and 2918 transitions. Second operand 3 states. [2020-10-09 10:50:16,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 10:50:16,977 INFO L93 Difference]: Finished difference Result 985 states and 2529 transitions. [2020-10-09 10:50:16,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-09 10:50:16,978 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-10-09 10:50:16,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 10:50:16,984 INFO L225 Difference]: With dead ends: 985 [2020-10-09 10:50:16,984 INFO L226 Difference]: Without dead ends: 953 [2020-10-09 10:50:16,985 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-09 10:50:16,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 953 states. [2020-10-09 10:50:17,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 953 to 953. [2020-10-09 10:50:17,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 953 states. [2020-10-09 10:50:17,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 953 states to 953 states and 2454 transitions. [2020-10-09 10:50:17,012 INFO L78 Accepts]: Start accepts. Automaton has 953 states and 2454 transitions. Word has length 13 [2020-10-09 10:50:17,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 10:50:17,013 INFO L481 AbstractCegarLoop]: Abstraction has 953 states and 2454 transitions. [2020-10-09 10:50:17,013 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-09 10:50:17,013 INFO L276 IsEmpty]: Start isEmpty. Operand 953 states and 2454 transitions. [2020-10-09 10:50:17,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-09 10:50:17,015 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 10:50:17,015 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 10:50:17,015 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-09 10:50:17,015 INFO L429 AbstractCegarLoop]: === Iteration 5 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 10:50:17,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 10:50:17,016 INFO L82 PathProgramCache]: Analyzing trace with hash -482065399, now seen corresponding path program 1 times [2020-10-09 10:50:17,016 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 10:50:17,016 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027000624] [2020-10-09 10:50:17,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 10:50:17,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 10:50:17,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 10:50:17,369 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027000624] [2020-10-09 10:50:17,369 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 10:50:17,369 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-09 10:50:17,369 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246703677] [2020-10-09 10:50:17,370 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-09 10:50:17,370 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 10:50:17,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-09 10:50:17,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-10-09 10:50:17,371 INFO L87 Difference]: Start difference. First operand 953 states and 2454 transitions. Second operand 9 states. [2020-10-09 10:50:18,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 10:50:18,042 INFO L93 Difference]: Finished difference Result 1079 states and 2770 transitions. [2020-10-09 10:50:18,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-09 10:50:18,043 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 14 [2020-10-09 10:50:18,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 10:50:18,050 INFO L225 Difference]: With dead ends: 1079 [2020-10-09 10:50:18,050 INFO L226 Difference]: Without dead ends: 1059 [2020-10-09 10:50:18,051 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2020-10-09 10:50:18,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1059 states. [2020-10-09 10:50:18,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1059 to 975. [2020-10-09 10:50:18,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 975 states. [2020-10-09 10:50:18,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 975 states to 975 states and 2504 transitions. [2020-10-09 10:50:18,089 INFO L78 Accepts]: Start accepts. Automaton has 975 states and 2504 transitions. Word has length 14 [2020-10-09 10:50:18,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 10:50:18,090 INFO L481 AbstractCegarLoop]: Abstraction has 975 states and 2504 transitions. [2020-10-09 10:50:18,090 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-09 10:50:18,090 INFO L276 IsEmpty]: Start isEmpty. Operand 975 states and 2504 transitions. [2020-10-09 10:50:18,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-09 10:50:18,092 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 10:50:18,092 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 10:50:18,092 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-09 10:50:18,093 INFO L429 AbstractCegarLoop]: === Iteration 6 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 10:50:18,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 10:50:18,093 INFO L82 PathProgramCache]: Analyzing trace with hash -313921473, now seen corresponding path program 1 times [2020-10-09 10:50:18,094 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 10:50:18,095 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473236802] [2020-10-09 10:50:18,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 10:50:18,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 10:50:18,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 10:50:18,482 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473236802] [2020-10-09 10:50:18,482 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 10:50:18,482 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-09 10:50:18,483 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396023113] [2020-10-09 10:50:18,483 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-09 10:50:18,483 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 10:50:18,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-09 10:50:18,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-10-09 10:50:18,484 INFO L87 Difference]: Start difference. First operand 975 states and 2504 transitions. Second operand 9 states. [2020-10-09 10:50:18,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 10:50:18,859 INFO L93 Difference]: Finished difference Result 973 states and 2500 transitions. [2020-10-09 10:50:18,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-09 10:50:18,860 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 14 [2020-10-09 10:50:18,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 10:50:18,866 INFO L225 Difference]: With dead ends: 973 [2020-10-09 10:50:18,867 INFO L226 Difference]: Without dead ends: 973 [2020-10-09 10:50:18,867 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-10-09 10:50:18,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 973 states. [2020-10-09 10:50:18,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 973 to 973. [2020-10-09 10:50:18,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 973 states. [2020-10-09 10:50:18,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 973 states to 973 states and 2500 transitions. [2020-10-09 10:50:18,893 INFO L78 Accepts]: Start accepts. Automaton has 973 states and 2500 transitions. Word has length 14 [2020-10-09 10:50:18,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 10:50:18,893 INFO L481 AbstractCegarLoop]: Abstraction has 973 states and 2500 transitions. [2020-10-09 10:50:18,893 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-09 10:50:18,893 INFO L276 IsEmpty]: Start isEmpty. Operand 973 states and 2500 transitions. [2020-10-09 10:50:18,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-09 10:50:18,894 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 10:50:18,895 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 10:50:18,895 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-09 10:50:18,895 INFO L429 AbstractCegarLoop]: === Iteration 7 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 10:50:18,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 10:50:18,895 INFO L82 PathProgramCache]: Analyzing trace with hash -1532094638, now seen corresponding path program 1 times [2020-10-09 10:50:18,895 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 10:50:18,896 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018075197] [2020-10-09 10:50:18,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 10:50:18,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 10:50:19,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 10:50:19,219 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018075197] [2020-10-09 10:50:19,219 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 10:50:19,219 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-09 10:50:19,220 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635516726] [2020-10-09 10:50:19,220 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-09 10:50:19,220 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 10:50:19,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-09 10:50:19,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-10-09 10:50:19,221 INFO L87 Difference]: Start difference. First operand 973 states and 2500 transitions. Second operand 10 states. [2020-10-09 10:50:19,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 10:50:19,695 INFO L93 Difference]: Finished difference Result 1033 states and 2638 transitions. [2020-10-09 10:50:19,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-09 10:50:19,699 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 15 [2020-10-09 10:50:19,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 10:50:19,705 INFO L225 Difference]: With dead ends: 1033 [2020-10-09 10:50:19,706 INFO L226 Difference]: Without dead ends: 978 [2020-10-09 10:50:19,706 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2020-10-09 10:50:19,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 978 states. [2020-10-09 10:50:19,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 978 to 924. [2020-10-09 10:50:19,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 924 states. [2020-10-09 10:50:19,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 924 states and 2381 transitions. [2020-10-09 10:50:19,730 INFO L78 Accepts]: Start accepts. Automaton has 924 states and 2381 transitions. Word has length 15 [2020-10-09 10:50:19,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 10:50:19,730 INFO L481 AbstractCegarLoop]: Abstraction has 924 states and 2381 transitions. [2020-10-09 10:50:19,730 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-09 10:50:19,731 INFO L276 IsEmpty]: Start isEmpty. Operand 924 states and 2381 transitions. [2020-10-09 10:50:19,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-09 10:50:19,731 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 10:50:19,731 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 10:50:19,732 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-09 10:50:19,732 INFO L429 AbstractCegarLoop]: === Iteration 8 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 10:50:19,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 10:50:19,732 INFO L82 PathProgramCache]: Analyzing trace with hash -1172406912, now seen corresponding path program 2 times [2020-10-09 10:50:19,733 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 10:50:19,733 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704536694] [2020-10-09 10:50:19,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 10:50:19,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 10:50:20,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 10:50:20,032 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704536694] [2020-10-09 10:50:20,033 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 10:50:20,033 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-09 10:50:20,033 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34004561] [2020-10-09 10:50:20,033 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-09 10:50:20,034 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 10:50:20,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-09 10:50:20,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-10-09 10:50:20,035 INFO L87 Difference]: Start difference. First operand 924 states and 2381 transitions. Second operand 10 states. [2020-10-09 10:50:20,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 10:50:20,475 INFO L93 Difference]: Finished difference Result 1036 states and 2664 transitions. [2020-10-09 10:50:20,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-09 10:50:20,475 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 15 [2020-10-09 10:50:20,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 10:50:20,482 INFO L225 Difference]: With dead ends: 1036 [2020-10-09 10:50:20,482 INFO L226 Difference]: Without dead ends: 1021 [2020-10-09 10:50:20,482 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2020-10-09 10:50:20,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1021 states. [2020-10-09 10:50:20,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1021 to 910. [2020-10-09 10:50:20,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 910 states. [2020-10-09 10:50:20,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 910 states to 910 states and 2348 transitions. [2020-10-09 10:50:20,505 INFO L78 Accepts]: Start accepts. Automaton has 910 states and 2348 transitions. Word has length 15 [2020-10-09 10:50:20,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 10:50:20,506 INFO L481 AbstractCegarLoop]: Abstraction has 910 states and 2348 transitions. [2020-10-09 10:50:20,506 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-09 10:50:20,506 INFO L276 IsEmpty]: Start isEmpty. Operand 910 states and 2348 transitions. [2020-10-09 10:50:20,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-09 10:50:20,506 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 10:50:20,507 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 10:50:20,507 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-09 10:50:20,507 INFO L429 AbstractCegarLoop]: === Iteration 9 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 10:50:20,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 10:50:20,507 INFO L82 PathProgramCache]: Analyzing trace with hash -1141702962, now seen corresponding path program 3 times [2020-10-09 10:50:20,508 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 10:50:20,508 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447886982] [2020-10-09 10:50:20,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 10:50:20,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 10:50:25,731 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 32 [2020-10-09 10:50:26,071 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 50 [2020-10-09 10:50:26,442 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 56 [2020-10-09 10:50:27,384 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 56 [2020-10-09 10:50:28,006 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 61 [2020-10-09 10:50:28,778 WARN L193 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 70 [2020-10-09 10:50:29,657 WARN L193 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 67 [2020-10-09 10:50:29,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 10:50:29,816 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447886982] [2020-10-09 10:50:29,817 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 10:50:29,817 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-09 10:50:29,817 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898702799] [2020-10-09 10:50:29,818 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-09 10:50:29,818 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 10:50:29,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-09 10:50:29,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-10-09 10:50:29,818 INFO L87 Difference]: Start difference. First operand 910 states and 2348 transitions. Second operand 11 states. [2020-10-09 10:50:30,281 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 44 [2020-10-09 10:50:31,828 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 60 [2020-10-09 10:50:36,292 WARN L193 SmtUtils]: Spent 2.49 s on a formula simplification that was a NOOP. DAG size: 128 [2020-10-09 10:50:40,490 WARN L193 SmtUtils]: Spent 2.39 s on a formula simplification that was a NOOP. DAG size: 139 [2020-10-09 10:50:53,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 10:50:53,614 INFO L93 Difference]: Finished difference Result 912 states and 2363 transitions. [2020-10-09 10:50:53,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-09 10:50:53,614 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 15 [2020-10-09 10:50:53,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 10:50:53,619 INFO L225 Difference]: With dead ends: 912 [2020-10-09 10:50:53,620 INFO L226 Difference]: Without dead ends: 902 [2020-10-09 10:50:53,620 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 11.6s TimeCoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2020-10-09 10:50:53,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 902 states. [2020-10-09 10:50:53,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 902 to 854. [2020-10-09 10:50:53,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 854 states. [2020-10-09 10:50:53,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 854 states to 854 states and 2221 transitions. [2020-10-09 10:50:53,641 INFO L78 Accepts]: Start accepts. Automaton has 854 states and 2221 transitions. Word has length 15 [2020-10-09 10:50:53,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 10:50:53,642 INFO L481 AbstractCegarLoop]: Abstraction has 854 states and 2221 transitions. [2020-10-09 10:50:53,642 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-09 10:50:53,642 INFO L276 IsEmpty]: Start isEmpty. Operand 854 states and 2221 transitions. [2020-10-09 10:50:53,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-10-09 10:50:53,644 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 10:50:53,644 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 10:50:53,644 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-09 10:50:53,644 INFO L429 AbstractCegarLoop]: === Iteration 10 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 10:50:53,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 10:50:53,645 INFO L82 PathProgramCache]: Analyzing trace with hash 32419424, now seen corresponding path program 1 times [2020-10-09 10:50:53,645 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 10:50:53,645 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882541986] [2020-10-09 10:50:53,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 10:50:53,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 10:50:53,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 10:50:53,689 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882541986] [2020-10-09 10:50:53,689 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 10:50:53,689 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-09 10:50:53,690 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895126131] [2020-10-09 10:50:53,690 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-09 10:50:53,690 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 10:50:53,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-09 10:50:53,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-09 10:50:53,691 INFO L87 Difference]: Start difference. First operand 854 states and 2221 transitions. Second operand 3 states. [2020-10-09 10:50:53,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 10:50:53,724 INFO L93 Difference]: Finished difference Result 385 states and 826 transitions. [2020-10-09 10:50:53,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-09 10:50:53,725 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 35 [2020-10-09 10:50:53,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 10:50:53,727 INFO L225 Difference]: With dead ends: 385 [2020-10-09 10:50:53,727 INFO L226 Difference]: Without dead ends: 379 [2020-10-09 10:50:53,728 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-09 10:50:53,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2020-10-09 10:50:53,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 307. [2020-10-09 10:50:53,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 307 states. [2020-10-09 10:50:53,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 665 transitions. [2020-10-09 10:50:53,735 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 665 transitions. Word has length 35 [2020-10-09 10:50:53,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 10:50:53,736 INFO L481 AbstractCegarLoop]: Abstraction has 307 states and 665 transitions. [2020-10-09 10:50:53,736 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-09 10:50:53,736 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 665 transitions. [2020-10-09 10:50:53,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-10-09 10:50:53,738 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 10:50:53,738 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 10:50:53,739 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-09 10:50:53,739 INFO L429 AbstractCegarLoop]: === Iteration 11 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 10:50:53,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 10:50:53,739 INFO L82 PathProgramCache]: Analyzing trace with hash -290676825, now seen corresponding path program 1 times [2020-10-09 10:50:53,739 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 10:50:53,740 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861489946] [2020-10-09 10:50:53,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 10:50:53,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 10:50:54,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 10:50:54,449 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861489946] [2020-10-09 10:50:54,449 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 10:50:54,449 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2020-10-09 10:50:54,449 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985141498] [2020-10-09 10:50:54,450 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-09 10:50:54,450 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 10:50:54,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-09 10:50:54,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2020-10-09 10:50:54,450 INFO L87 Difference]: Start difference. First operand 307 states and 665 transitions. Second operand 17 states. [2020-10-09 10:50:55,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 10:50:55,422 INFO L93 Difference]: Finished difference Result 512 states and 1114 transitions. [2020-10-09 10:50:55,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-09 10:50:55,423 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 36 [2020-10-09 10:50:55,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 10:50:55,427 INFO L225 Difference]: With dead ends: 512 [2020-10-09 10:50:55,428 INFO L226 Difference]: Without dead ends: 503 [2020-10-09 10:50:55,428 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=140, Invalid=366, Unknown=0, NotChecked=0, Total=506 [2020-10-09 10:50:55,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 503 states. [2020-10-09 10:50:55,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 503 to 473. [2020-10-09 10:50:55,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 473 states. [2020-10-09 10:50:55,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 1033 transitions. [2020-10-09 10:50:55,439 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 1033 transitions. Word has length 36 [2020-10-09 10:50:55,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 10:50:55,439 INFO L481 AbstractCegarLoop]: Abstraction has 473 states and 1033 transitions. [2020-10-09 10:50:55,439 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-09 10:50:55,440 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 1033 transitions. [2020-10-09 10:50:55,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-10-09 10:50:55,441 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 10:50:55,441 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 10:50:55,441 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-09 10:50:55,441 INFO L429 AbstractCegarLoop]: === Iteration 12 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 10:50:55,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 10:50:55,442 INFO L82 PathProgramCache]: Analyzing trace with hash -419208437, now seen corresponding path program 1 times [2020-10-09 10:50:55,442 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 10:50:55,442 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339356825] [2020-10-09 10:50:55,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 10:50:55,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 10:50:55,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 10:50:55,856 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339356825] [2020-10-09 10:50:55,857 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 10:50:55,857 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-09 10:50:55,862 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143958780] [2020-10-09 10:50:55,863 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-09 10:50:55,863 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 10:50:55,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-09 10:50:55,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-10-09 10:50:55,864 INFO L87 Difference]: Start difference. First operand 473 states and 1033 transitions. Second operand 12 states. [2020-10-09 10:50:56,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 10:50:56,477 INFO L93 Difference]: Finished difference Result 491 states and 1068 transitions. [2020-10-09 10:50:56,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-09 10:50:56,478 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 37 [2020-10-09 10:50:56,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 10:50:56,482 INFO L225 Difference]: With dead ends: 491 [2020-10-09 10:50:56,482 INFO L226 Difference]: Without dead ends: 491 [2020-10-09 10:50:56,482 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2020-10-09 10:50:56,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2020-10-09 10:50:56,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 491. [2020-10-09 10:50:56,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 491 states. [2020-10-09 10:50:56,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 1068 transitions. [2020-10-09 10:50:56,493 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 1068 transitions. Word has length 37 [2020-10-09 10:50:56,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 10:50:56,493 INFO L481 AbstractCegarLoop]: Abstraction has 491 states and 1068 transitions. [2020-10-09 10:50:56,493 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-09 10:50:56,493 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 1068 transitions. [2020-10-09 10:50:56,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-10-09 10:50:56,494 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 10:50:56,495 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 10:50:56,495 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-09 10:50:56,495 INFO L429 AbstractCegarLoop]: === Iteration 13 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 10:50:56,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 10:50:56,495 INFO L82 PathProgramCache]: Analyzing trace with hash -506069331, now seen corresponding path program 2 times [2020-10-09 10:50:56,496 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 10:50:56,496 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918595421] [2020-10-09 10:50:56,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 10:50:56,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 10:50:56,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 10:50:56,942 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918595421] [2020-10-09 10:50:56,942 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 10:50:56,943 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-09 10:50:56,943 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432286283] [2020-10-09 10:50:56,943 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-09 10:50:56,943 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 10:50:56,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-09 10:50:56,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-10-09 10:50:56,944 INFO L87 Difference]: Start difference. First operand 491 states and 1068 transitions. Second operand 12 states. [2020-10-09 10:50:57,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 10:50:57,679 INFO L93 Difference]: Finished difference Result 481 states and 1043 transitions. [2020-10-09 10:50:57,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-09 10:50:57,680 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 37 [2020-10-09 10:50:57,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 10:50:57,683 INFO L225 Difference]: With dead ends: 481 [2020-10-09 10:50:57,683 INFO L226 Difference]: Without dead ends: 481 [2020-10-09 10:50:57,683 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=70, Invalid=170, Unknown=0, NotChecked=0, Total=240 [2020-10-09 10:50:57,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2020-10-09 10:50:57,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 461. [2020-10-09 10:50:57,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 461 states. [2020-10-09 10:50:57,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 461 states and 1003 transitions. [2020-10-09 10:50:57,693 INFO L78 Accepts]: Start accepts. Automaton has 461 states and 1003 transitions. Word has length 37 [2020-10-09 10:50:57,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 10:50:57,694 INFO L481 AbstractCegarLoop]: Abstraction has 461 states and 1003 transitions. [2020-10-09 10:50:57,694 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-09 10:50:57,694 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 1003 transitions. [2020-10-09 10:50:57,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-10-09 10:50:57,695 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 10:50:57,696 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 10:50:57,696 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-09 10:50:57,696 INFO L429 AbstractCegarLoop]: === Iteration 14 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 10:50:57,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 10:50:57,696 INFO L82 PathProgramCache]: Analyzing trace with hash -716643246, now seen corresponding path program 1 times [2020-10-09 10:50:57,697 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 10:50:57,697 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467285638] [2020-10-09 10:50:57,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 10:50:57,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 10:50:58,101 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 45 [2020-10-09 10:50:58,284 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 38 [2020-10-09 10:50:58,483 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 35 [2020-10-09 10:50:58,632 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-10-09 10:50:59,170 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 49 [2020-10-09 10:51:00,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 10:51:00,021 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467285638] [2020-10-09 10:51:00,021 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 10:51:00,021 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-10-09 10:51:00,021 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74586693] [2020-10-09 10:51:00,022 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-09 10:51:00,022 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 10:51:00,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-09 10:51:00,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2020-10-09 10:51:00,023 INFO L87 Difference]: Start difference. First operand 461 states and 1003 transitions. Second operand 20 states. [2020-10-09 10:51:00,367 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 54 [2020-10-09 10:51:01,021 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 50 [2020-10-09 10:51:01,325 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 50 [2020-10-09 10:51:01,471 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 52 [2020-10-09 10:51:01,748 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 57 [2020-10-09 10:51:01,916 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 55 [2020-10-09 10:51:02,295 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 60 [2020-10-09 10:51:03,221 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 64 [2020-10-09 10:51:03,612 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 71 [2020-10-09 10:51:04,045 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 60 [2020-10-09 10:51:04,745 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 69 [2020-10-09 10:51:04,943 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2020-10-09 10:51:05,222 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2020-10-09 10:51:05,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 10:51:05,388 INFO L93 Difference]: Finished difference Result 871 states and 1893 transitions. [2020-10-09 10:51:05,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-10-09 10:51:05,389 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 38 [2020-10-09 10:51:05,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 10:51:05,394 INFO L225 Difference]: With dead ends: 871 [2020-10-09 10:51:05,395 INFO L226 Difference]: Without dead ends: 831 [2020-10-09 10:51:05,398 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 399 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=268, Invalid=1624, Unknown=0, NotChecked=0, Total=1892 [2020-10-09 10:51:05,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 831 states. [2020-10-09 10:51:05,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 831 to 592. [2020-10-09 10:51:05,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 592 states. [2020-10-09 10:51:05,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 1288 transitions. [2020-10-09 10:51:05,415 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 1288 transitions. Word has length 38 [2020-10-09 10:51:05,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 10:51:05,416 INFO L481 AbstractCegarLoop]: Abstraction has 592 states and 1288 transitions. [2020-10-09 10:51:05,416 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-09 10:51:05,416 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 1288 transitions. [2020-10-09 10:51:05,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-10-09 10:51:05,417 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 10:51:05,417 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 10:51:05,417 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-09 10:51:05,418 INFO L429 AbstractCegarLoop]: === Iteration 15 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 10:51:05,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 10:51:05,418 INFO L82 PathProgramCache]: Analyzing trace with hash -706318446, now seen corresponding path program 2 times [2020-10-09 10:51:05,418 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 10:51:05,418 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392131864] [2020-10-09 10:51:05,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 10:51:05,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 10:51:05,694 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 36 [2020-10-09 10:51:05,818 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 30 [2020-10-09 10:51:06,532 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 41 [2020-10-09 10:51:07,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 10:51:07,051 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392131864] [2020-10-09 10:51:07,051 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 10:51:07,051 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-10-09 10:51:07,051 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075464972] [2020-10-09 10:51:07,051 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-09 10:51:07,052 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 10:51:07,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-09 10:51:07,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2020-10-09 10:51:07,055 INFO L87 Difference]: Start difference. First operand 592 states and 1288 transitions. Second operand 19 states. [2020-10-09 10:51:09,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 10:51:09,634 INFO L93 Difference]: Finished difference Result 816 states and 1758 transitions. [2020-10-09 10:51:09,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-09 10:51:09,635 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 38 [2020-10-09 10:51:09,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 10:51:09,639 INFO L225 Difference]: With dead ends: 816 [2020-10-09 10:51:09,639 INFO L226 Difference]: Without dead ends: 776 [2020-10-09 10:51:09,639 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 215 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=156, Invalid=900, Unknown=0, NotChecked=0, Total=1056 [2020-10-09 10:51:09,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 776 states. [2020-10-09 10:51:09,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 776 to 594. [2020-10-09 10:51:09,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 594 states. [2020-10-09 10:51:09,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 594 states and 1291 transitions. [2020-10-09 10:51:09,652 INFO L78 Accepts]: Start accepts. Automaton has 594 states and 1291 transitions. Word has length 38 [2020-10-09 10:51:09,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 10:51:09,652 INFO L481 AbstractCegarLoop]: Abstraction has 594 states and 1291 transitions. [2020-10-09 10:51:09,652 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-09 10:51:09,652 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 1291 transitions. [2020-10-09 10:51:09,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-10-09 10:51:09,654 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 10:51:09,654 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 10:51:09,654 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-09 10:51:09,654 INFO L429 AbstractCegarLoop]: === Iteration 16 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 10:51:09,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 10:51:09,654 INFO L82 PathProgramCache]: Analyzing trace with hash -238269934, now seen corresponding path program 3 times [2020-10-09 10:51:09,655 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 10:51:09,655 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727240402] [2020-10-09 10:51:09,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 10:51:09,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 10:51:09,962 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 36 [2020-10-09 10:51:10,105 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 30 [2020-10-09 10:51:10,239 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 27 [2020-10-09 10:51:10,373 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 31 [2020-10-09 10:51:10,535 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 33 [2020-10-09 10:51:11,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 10:51:11,524 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727240402] [2020-10-09 10:51:11,524 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 10:51:11,524 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-10-09 10:51:11,528 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123760029] [2020-10-09 10:51:11,528 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-09 10:51:11,529 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 10:51:11,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-09 10:51:11,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2020-10-09 10:51:11,529 INFO L87 Difference]: Start difference. First operand 594 states and 1291 transitions. Second operand 19 states. [2020-10-09 10:51:13,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 10:51:13,818 INFO L93 Difference]: Finished difference Result 776 states and 1669 transitions. [2020-10-09 10:51:13,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-09 10:51:13,819 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 38 [2020-10-09 10:51:13,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 10:51:13,823 INFO L225 Difference]: With dead ends: 776 [2020-10-09 10:51:13,824 INFO L226 Difference]: Without dead ends: 736 [2020-10-09 10:51:13,824 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=162, Invalid=960, Unknown=0, NotChecked=0, Total=1122 [2020-10-09 10:51:13,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 736 states. [2020-10-09 10:51:13,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 736 to 596. [2020-10-09 10:51:13,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 596 states. [2020-10-09 10:51:13,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 596 states and 1294 transitions. [2020-10-09 10:51:13,836 INFO L78 Accepts]: Start accepts. Automaton has 596 states and 1294 transitions. Word has length 38 [2020-10-09 10:51:13,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 10:51:13,837 INFO L481 AbstractCegarLoop]: Abstraction has 596 states and 1294 transitions. [2020-10-09 10:51:13,837 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-09 10:51:13,837 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 1294 transitions. [2020-10-09 10:51:13,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-10-09 10:51:13,838 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 10:51:13,838 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 10:51:13,839 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-09 10:51:13,839 INFO L429 AbstractCegarLoop]: === Iteration 17 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 10:51:13,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 10:51:13,839 INFO L82 PathProgramCache]: Analyzing trace with hash -505552430, now seen corresponding path program 4 times [2020-10-09 10:51:13,839 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 10:51:13,839 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474224175] [2020-10-09 10:51:13,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 10:51:13,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 10:51:14,143 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 36 [2020-10-09 10:51:14,279 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 30 [2020-10-09 10:51:14,415 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 27 [2020-10-09 10:51:14,548 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 29 [2020-10-09 10:51:14,676 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 33 [2020-10-09 10:51:15,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 10:51:15,616 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474224175] [2020-10-09 10:51:15,616 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 10:51:15,616 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-10-09 10:51:15,616 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611956644] [2020-10-09 10:51:15,616 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-09 10:51:15,617 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 10:51:15,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-09 10:51:15,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2020-10-09 10:51:15,617 INFO L87 Difference]: Start difference. First operand 596 states and 1294 transitions. Second operand 19 states. [2020-10-09 10:51:18,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 10:51:18,054 INFO L93 Difference]: Finished difference Result 786 states and 1684 transitions. [2020-10-09 10:51:18,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-09 10:51:18,060 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 38 [2020-10-09 10:51:18,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 10:51:18,063 INFO L225 Difference]: With dead ends: 786 [2020-10-09 10:51:18,063 INFO L226 Difference]: Without dead ends: 746 [2020-10-09 10:51:18,064 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=162, Invalid=960, Unknown=0, NotChecked=0, Total=1122 [2020-10-09 10:51:18,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 746 states. [2020-10-09 10:51:18,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 746 to 604. [2020-10-09 10:51:18,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 604 states. [2020-10-09 10:51:18,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 604 states and 1306 transitions. [2020-10-09 10:51:18,075 INFO L78 Accepts]: Start accepts. Automaton has 604 states and 1306 transitions. Word has length 38 [2020-10-09 10:51:18,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 10:51:18,076 INFO L481 AbstractCegarLoop]: Abstraction has 604 states and 1306 transitions. [2020-10-09 10:51:18,076 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-09 10:51:18,076 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 1306 transitions. [2020-10-09 10:51:18,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-10-09 10:51:18,077 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 10:51:18,077 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 10:51:18,077 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-09 10:51:18,078 INFO L429 AbstractCegarLoop]: === Iteration 18 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 10:51:18,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 10:51:18,078 INFO L82 PathProgramCache]: Analyzing trace with hash -1995609500, now seen corresponding path program 5 times [2020-10-09 10:51:18,078 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 10:51:18,078 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449449653] [2020-10-09 10:51:18,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 10:51:18,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 10:51:18,560 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 41 [2020-10-09 10:51:18,788 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 34 [2020-10-09 10:51:18,995 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 36 [2020-10-09 10:51:19,563 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 34 [2020-10-09 10:51:20,145 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 39 [2020-10-09 10:51:20,349 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 37 [2020-10-09 10:51:20,556 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 39 [2020-10-09 10:51:20,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 10:51:20,680 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449449653] [2020-10-09 10:51:20,680 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 10:51:20,681 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-10-09 10:51:20,681 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533888348] [2020-10-09 10:51:20,681 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-09 10:51:20,681 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 10:51:20,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-09 10:51:20,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2020-10-09 10:51:20,682 INFO L87 Difference]: Start difference. First operand 604 states and 1306 transitions. Second operand 20 states. [2020-10-09 10:51:23,130 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 53 [2020-10-09 10:51:23,468 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 62 [2020-10-09 10:51:23,650 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2020-10-09 10:51:23,824 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 51 [2020-10-09 10:51:24,248 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 58 [2020-10-09 10:51:24,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 10:51:24,589 INFO L93 Difference]: Finished difference Result 1116 states and 2415 transitions. [2020-10-09 10:51:24,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-10-09 10:51:24,590 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 38 [2020-10-09 10:51:24,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 10:51:24,597 INFO L225 Difference]: With dead ends: 1116 [2020-10-09 10:51:24,597 INFO L226 Difference]: Without dead ends: 1076 [2020-10-09 10:51:24,597 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 329 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=235, Invalid=1405, Unknown=0, NotChecked=0, Total=1640 [2020-10-09 10:51:24,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1076 states. [2020-10-09 10:51:24,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1076 to 604. [2020-10-09 10:51:24,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 604 states. [2020-10-09 10:51:24,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 604 states and 1306 transitions. [2020-10-09 10:51:24,610 INFO L78 Accepts]: Start accepts. Automaton has 604 states and 1306 transitions. Word has length 38 [2020-10-09 10:51:24,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 10:51:24,610 INFO L481 AbstractCegarLoop]: Abstraction has 604 states and 1306 transitions. [2020-10-09 10:51:24,610 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-09 10:51:24,610 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 1306 transitions. [2020-10-09 10:51:24,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-10-09 10:51:24,612 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 10:51:24,612 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 10:51:24,612 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-09 10:51:24,612 INFO L429 AbstractCegarLoop]: === Iteration 19 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 10:51:24,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 10:51:24,613 INFO L82 PathProgramCache]: Analyzing trace with hash -1985284700, now seen corresponding path program 6 times [2020-10-09 10:51:24,613 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 10:51:24,613 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661713502] [2020-10-09 10:51:24,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 10:51:24,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 10:51:25,565 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 42 [2020-10-09 10:51:26,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 10:51:26,360 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661713502] [2020-10-09 10:51:26,361 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 10:51:26,361 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-10-09 10:51:26,361 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463161095] [2020-10-09 10:51:26,361 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-09 10:51:26,362 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 10:51:26,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-09 10:51:26,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2020-10-09 10:51:26,362 INFO L87 Difference]: Start difference. First operand 604 states and 1306 transitions. Second operand 20 states. [2020-10-09 10:51:29,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 10:51:29,299 INFO L93 Difference]: Finished difference Result 895 states and 1907 transitions. [2020-10-09 10:51:29,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-10-09 10:51:29,300 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 38 [2020-10-09 10:51:29,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 10:51:29,306 INFO L225 Difference]: With dead ends: 895 [2020-10-09 10:51:29,306 INFO L226 Difference]: Without dead ends: 855 [2020-10-09 10:51:29,307 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 270 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=189, Invalid=1143, Unknown=0, NotChecked=0, Total=1332 [2020-10-09 10:51:29,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 855 states. [2020-10-09 10:51:29,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 855 to 601. [2020-10-09 10:51:29,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 601 states. [2020-10-09 10:51:29,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 1299 transitions. [2020-10-09 10:51:29,339 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 1299 transitions. Word has length 38 [2020-10-09 10:51:29,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 10:51:29,339 INFO L481 AbstractCegarLoop]: Abstraction has 601 states and 1299 transitions. [2020-10-09 10:51:29,339 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-09 10:51:29,340 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 1299 transitions. [2020-10-09 10:51:29,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-10-09 10:51:29,341 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 10:51:29,341 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 10:51:29,341 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-09 10:51:29,341 INFO L429 AbstractCegarLoop]: === Iteration 20 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 10:51:29,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 10:51:29,342 INFO L82 PathProgramCache]: Analyzing trace with hash 1244746070, now seen corresponding path program 7 times [2020-10-09 10:51:29,342 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 10:51:29,342 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023716737] [2020-10-09 10:51:29,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 10:51:29,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2020-10-09 11:03:12,217 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-09 11:03:12,221 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-09 11:03:12,222 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-09 11:03:12,224 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-09 11:03:12,225 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-09 11:03:12,226 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-09 11:03:12,230 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-09 11:03:12,231 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-09 11:03:12,245 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-09 11:03:12,246 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-09 11:03:12,246 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-09 11:03:12,252 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-09 11:03:12,253 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-09 11:03:12,254 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-09 11:03:12,254 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-09 11:03:12,255 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-09 11:03:12,261 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-09 11:03:12,262 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-09 11:03:12,265 WARN L235 ceAbstractionStarter]: Timeout [2020-10-09 11:03:12,265 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.10 11:03:12 BasicIcfg [2020-10-09 11:03:12,265 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-09 11:03:12,268 INFO L168 Benchmark]: Toolchain (without parser) took 786120.81 ms. Allocated memory was 250.1 MB in the beginning and 7.3 GB in the end (delta: 7.0 GB). Free memory was 204.6 MB in the beginning and 1.1 GB in the end (delta: -887.2 MB). Peak memory consumption was 7.0 GB. Max. memory is 14.2 GB. [2020-10-09 11:03:12,268 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 250.1 MB. Free memory is still 226.5 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-09 11:03:12,269 INFO L168 Benchmark]: CACSL2BoogieTranslator took 923.59 ms. Allocated memory was 250.1 MB in the beginning and 310.4 MB in the end (delta: 60.3 MB). Free memory was 204.6 MB in the beginning and 235.9 MB in the end (delta: -31.3 MB). Peak memory consumption was 38.9 MB. Max. memory is 14.2 GB. [2020-10-09 11:03:12,269 INFO L168 Benchmark]: Boogie Procedure Inliner took 105.03 ms. Allocated memory is still 310.4 MB. Free memory was 235.9 MB in the beginning and 233.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-09 11:03:12,270 INFO L168 Benchmark]: Boogie Preprocessor took 66.00 ms. Allocated memory is still 310.4 MB. Free memory was 233.4 MB in the beginning and 230.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-09 11:03:12,270 INFO L168 Benchmark]: RCFGBuilder took 710.63 ms. Allocated memory is still 310.4 MB. Free memory was 230.9 MB in the beginning and 183.4 MB in the end (delta: 47.4 MB). Peak memory consumption was 47.4 MB. Max. memory is 14.2 GB. [2020-10-09 11:03:12,271 INFO L168 Benchmark]: TraceAbstraction took 784308.51 ms. Allocated memory was 310.4 MB in the beginning and 7.3 GB in the end (delta: 7.0 GB). Free memory was 183.4 MB in the beginning and 1.1 GB in the end (delta: -908.4 MB). Peak memory consumption was 6.9 GB. Max. memory is 14.2 GB. [2020-10-09 11:03:12,280 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 250.1 MB. Free memory is still 226.5 MB. There was no memory consumed. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 923.59 ms. Allocated memory was 250.1 MB in the beginning and 310.4 MB in the end (delta: 60.3 MB). Free memory was 204.6 MB in the beginning and 235.9 MB in the end (delta: -31.3 MB). Peak memory consumption was 38.9 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 105.03 ms. Allocated memory is still 310.4 MB. Free memory was 235.9 MB in the beginning and 233.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 66.00 ms. Allocated memory is still 310.4 MB. Free memory was 233.4 MB in the beginning and 230.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 710.63 ms. Allocated memory is still 310.4 MB. Free memory was 230.9 MB in the beginning and 183.4 MB in the end (delta: 47.4 MB). Peak memory consumption was 47.4 MB. Max. memory is 14.2 GB. * TraceAbstraction took 784308.51 ms. Allocated memory was 310.4 MB in the beginning and 7.3 GB in the end (delta: 7.0 GB). Free memory was 183.4 MB in the beginning and 1.1 GB in the end (delta: -908.4 MB). Peak memory consumption was 6.9 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 10173 VarBasedMoverChecksPositive, 230 VarBasedMoverChecksNegative, 38 SemBasedMoverChecksPositive, 192 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 1.1s, 837 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 7.2s, 234 PlacesBefore, 66 PlacesAfterwards, 244 TransitionsBefore, 71 TransitionsAfterwards, 14896 CoEnabledTransitionPairs, 7 FixpointIterations, 62 TrivialSequentialCompositions, 115 ConcurrentSequentialCompositions, 4 TrivialYvCompositions, 24 ConcurrentYvCompositions, 5 ChoiceCompositions, 210 TotalNumberOfCompositions, 35617 MoverChecksTotal - TimeoutResultAtElement [Line: 1040]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 1040). Cancelled while BasicCegarLoop was analyzing trace of length 39 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while NestedInterpolantsBuilder was constructing predicates for 37 interpolants. - TimeoutResultAtElement [Line: 1013]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 1013). Cancelled while BasicCegarLoop was analyzing trace of length 39 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while NestedInterpolantsBuilder was constructing predicates for 37 interpolants. - TimeoutResultAtElement [Line: 1024]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 1024). Cancelled while BasicCegarLoop was analyzing trace of length 39 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while NestedInterpolantsBuilder was constructing predicates for 37 interpolants. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 228 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 784.0s, OverallIterations: 20, TraceHistogramMax: 1, AutomataDifference: 48.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 7.3s, HoareTripleCheckerStatistics: 1134 SDtfs, 1688 SDslu, 4555 SDs, 0 SdLazy, 11604 SolverSat, 409 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 26.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 372 GetRequests, 28 SyntacticMatches, 20 SemanticMatches, 324 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1939 ImplicationChecksByTransitivity, 34.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1201occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 19 MinimizatonAttempts, 1848 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 24.0s InterpolantComputationTime, 484 NumberOfCodeBlocks, 484 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 465 ConstructedInterpolants, 0 QuantifiedInterpolants, 557697 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 19 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown