/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-atomic/szymanski.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-b7a4f01caba76767183cf06280be652b0b124764-b7a4f01 [2021-06-07 12:26:53,984 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-07 12:26:53,986 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-07 12:26:54,020 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-07 12:26:54,041 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-07 12:26:54,043 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-07 12:26:54,044 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-07 12:26:54,045 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-07 12:26:54,046 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-07 12:26:54,047 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-07 12:26:54,053 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-07 12:26:54,058 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-07 12:26:54,059 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-07 12:26:54,060 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-07 12:26:54,061 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-07 12:26:54,063 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-07 12:26:54,068 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-07 12:26:54,076 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-07 12:26:54,077 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-07 12:26:54,077 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-07 12:26:54,081 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe-Lockstep.epf [2021-06-07 12:26:54,117 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-07 12:26:54,118 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-07 12:26:54,118 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-07 12:26:54,118 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-07 12:26:54,120 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-07 12:26:54,120 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-07 12:26:54,120 INFO L138 SettingsManager]: * Use SBE=true [2021-06-07 12:26:54,121 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-07 12:26:54,121 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-07 12:26:54,121 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-07 12:26:54,122 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-07 12:26:54,122 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-07 12:26:54,122 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-07 12:26:54,122 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-07 12:26:54,122 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-07 12:26:54,122 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-07 12:26:54,122 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-07 12:26:54,123 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-07 12:26:54,123 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-07 12:26:54,123 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-07 12:26:54,123 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-07 12:26:54,123 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-07 12:26:54,123 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-07 12:26:54,123 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-07 12:26:54,123 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-07 12:26:54,124 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-07 12:26:54,124 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-07 12:26:54,124 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-07 12:26:54,124 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-06-07 12:26:54,124 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-07 12:26:54,124 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-07 12:26:54,124 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-07 12:26:54,125 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-07 12:26:54,125 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-07 12:26:54,125 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-07 12:26:54,395 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-07 12:26:54,411 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-07 12:26:54,413 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-07 12:26:54,414 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-07 12:26:54,414 INFO L275 PluginConnector]: CDTParser initialized [2021-06-07 12:26:54,415 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/szymanski.i [2021-06-07 12:26:54,460 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a85377c9/8f8b07640621443fbd2d71f088848a65/FLAG8a3a71530 [2021-06-07 12:26:54,979 INFO L306 CDTParser]: Found 1 translation units. [2021-06-07 12:26:54,980 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/szymanski.i [2021-06-07 12:26:54,992 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a85377c9/8f8b07640621443fbd2d71f088848a65/FLAG8a3a71530 [2021-06-07 12:26:55,460 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a85377c9/8f8b07640621443fbd2d71f088848a65 [2021-06-07 12:26:55,463 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-07 12:26:55,465 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-07 12:26:55,468 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-07 12:26:55,468 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-07 12:26:55,471 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-07 12:26:55,471 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.06 12:26:55" (1/1) ... [2021-06-07 12:26:55,472 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39eae1b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 12:26:55, skipping insertion in model container [2021-06-07 12:26:55,472 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.06 12:26:55" (1/1) ... [2021-06-07 12:26:55,478 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-07 12:26:55,513 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-07 12:26:55,659 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-06-07 12:26:55,753 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/szymanski.i[31505,31518] [2021-06-07 12:26:55,759 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/szymanski.i[32915,32928] [2021-06-07 12:26:55,763 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-07 12:26:55,768 INFO L203 MainTranslator]: Completed pre-run [2021-06-07 12:26:55,780 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-06-07 12:26:55,796 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/szymanski.i[31505,31518] [2021-06-07 12:26:55,799 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/szymanski.i[32915,32928] [2021-06-07 12:26:55,802 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-07 12:26:55,854 INFO L208 MainTranslator]: Completed translation [2021-06-07 12:26:55,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 12:26:55 WrapperNode [2021-06-07 12:26:55,855 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-07 12:26:55,856 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-07 12:26:55,856 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-07 12:26:55,856 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-07 12:26:55,861 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 12:26:55" (1/1) ... [2021-06-07 12:26:55,873 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 12:26:55" (1/1) ... [2021-06-07 12:26:55,887 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-07 12:26:55,887 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-07 12:26:55,887 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-07 12:26:55,887 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-07 12:26:55,893 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 12:26:55" (1/1) ... [2021-06-07 12:26:55,894 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 12:26:55" (1/1) ... [2021-06-07 12:26:55,896 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 12:26:55" (1/1) ... [2021-06-07 12:26:55,896 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 12:26:55" (1/1) ... [2021-06-07 12:26:55,901 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 12:26:55" (1/1) ... [2021-06-07 12:26:55,906 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 12:26:55" (1/1) ... [2021-06-07 12:26:55,908 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 12:26:55" (1/1) ... [2021-06-07 12:26:55,911 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-07 12:26:55,911 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-07 12:26:55,911 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-07 12:26:55,912 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-07 12:26:55,912 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 12:26:55" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-07 12:26:55,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-06-07 12:26:55,990 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2021-06-07 12:26:55,990 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2021-06-07 12:26:55,991 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-06-07 12:26:55,991 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-06-07 12:26:55,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-07 12:26:55,991 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-07 12:26:55,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-07 12:26:55,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-07 12:26:55,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-07 12:26:55,991 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-07 12:26:55,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-07 12:26:55,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-07 12:26:55,993 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-07 12:26:56,430 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-07 12:26:56,431 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-06-07 12:26:56,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.06 12:26:56 BoogieIcfgContainer [2021-06-07 12:26:56,433 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-07 12:26:56,434 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-07 12:26:56,435 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-07 12:26:56,437 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-07 12:26:56,437 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.06 12:26:55" (1/3) ... [2021-06-07 12:26:56,438 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4419d66c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.06 12:26:56, skipping insertion in model container [2021-06-07 12:26:56,438 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 12:26:55" (2/3) ... [2021-06-07 12:26:56,438 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4419d66c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.06 12:26:56, skipping insertion in model container [2021-06-07 12:26:56,438 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.06 12:26:56" (3/3) ... [2021-06-07 12:26:56,439 INFO L111 eAbstractionObserver]: Analyzing ICFG szymanski.i [2021-06-07 12:26:56,445 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-07 12:26:56,445 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-07 12:26:56,445 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-06-07 12:26:56,446 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-07 12:26:56,483 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,483 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,484 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,484 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,484 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,484 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,484 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,484 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,485 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,485 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,485 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,487 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,487 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,488 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,488 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,488 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,488 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,489 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,489 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,489 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,489 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,489 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,489 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,490 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,490 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,490 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,491 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,491 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,491 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,492 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,492 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,492 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,492 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,493 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,493 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,493 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,493 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,493 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,494 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,494 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,496 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,496 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,497 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,497 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,497 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,497 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,497 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,497 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,497 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,497 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,499 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,499 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,499 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,499 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,499 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,500 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,500 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,500 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,500 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,500 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,500 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,500 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,501 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,501 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,501 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,501 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,501 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,501 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,501 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,502 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,502 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,502 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,511 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,511 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,512 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,512 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,512 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,512 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,512 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,512 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,513 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,513 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,513 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,513 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,513 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,513 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,513 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,514 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,515 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,515 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,516 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,518 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,518 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,519 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,519 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,523 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,523 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,523 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,524 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,524 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,526 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,526 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,526 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,526 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,526 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,531 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,531 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,531 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,531 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,531 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 12:26:56,544 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-06-07 12:26:56,565 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-07 12:26:56,615 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-07 12:26:56,615 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-07 12:26:56,616 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-07 12:26:56,616 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-07 12:26:56,620 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-07 12:26:56,620 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-07 12:26:56,621 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-07 12:26:56,621 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thr2======== [2021-06-07 12:26:57,201 INFO L301 ceAbstractionStarter]: Result for error location thr2 was SAFE (1/5) [2021-06-07 12:26:57,203 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-07 12:26:57,220 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-07 12:26:57,221 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-07 12:26:57,221 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-07 12:26:57,221 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-07 12:26:57,221 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-07 12:26:57,221 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-07 12:26:57,221 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-07 12:26:57,221 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thr1======== [2021-06-07 12:26:57,612 INFO L301 ceAbstractionStarter]: Result for error location thr1 was SAFE (2/5) [2021-06-07 12:26:57,613 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-07 12:26:57,633 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-07 12:26:57,633 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-07 12:26:57,633 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-07 12:26:57,633 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-07 12:26:57,633 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-07 12:26:57,633 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-07 12:26:57,633 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-07 12:26:57,633 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thr1Thread1of1ForFork0======== [2021-06-07 12:26:57,666 INFO L430 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-07 12:26:57,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 12:26:57,670 INFO L82 PathProgramCache]: Analyzing trace with hash -186929843, now seen corresponding path program 1 times [2021-06-07 12:26:57,677 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 12:26:57,677 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343196625] [2021-06-07 12:26:57,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 12:26:57,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 12:26:57,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 12:26:57,875 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 12:26:57,875 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343196625] [2021-06-07 12:26:57,875 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343196625] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 12:26:57,876 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 12:26:57,876 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-07 12:26:57,876 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632758690] [2021-06-07 12:26:57,880 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-06-07 12:26:57,881 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 12:26:57,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-06-07 12:26:57,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-06-07 12:26:57,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:26:57,892 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 12:26:57,893 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 12:26:57,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:26:57,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:26:57,900 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-07 12:26:57,900 INFO L430 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-07 12:26:57,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 12:26:57,901 INFO L82 PathProgramCache]: Analyzing trace with hash 354749100, now seen corresponding path program 1 times [2021-06-07 12:26:57,901 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 12:26:57,901 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767436326] [2021-06-07 12:26:57,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 12:26:57,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 12:26:57,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 12:26:57,967 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 12:26:57,967 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767436326] [2021-06-07 12:26:57,967 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767436326] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 12:26:57,967 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 12:26:57,967 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-07 12:26:57,967 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017502485] [2021-06-07 12:26:57,969 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-07 12:26:57,969 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 12:26:57,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-07 12:26:57,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-07 12:26:57,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:26:57,969 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 12:26:57,970 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 12:26:57,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:26:57,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:26:58,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:26:58,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:26:58,027 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-07 12:26:58,027 INFO L430 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-07 12:26:58,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 12:26:58,027 INFO L82 PathProgramCache]: Analyzing trace with hash -1484991562, now seen corresponding path program 1 times [2021-06-07 12:26:58,027 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 12:26:58,027 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132886046] [2021-06-07 12:26:58,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 12:26:58,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 12:26:58,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 12:26:58,100 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 12:26:58,103 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132886046] [2021-06-07 12:26:58,103 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132886046] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 12:26:58,103 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 12:26:58,103 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-07 12:26:58,103 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868227742] [2021-06-07 12:26:58,104 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-07 12:26:58,104 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 12:26:58,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-07 12:26:58,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-07 12:26:58,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:26:58,108 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 12:26:58,108 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 12:26:58,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:26:58,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:26:58,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:26:58,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:26:58,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:26:58,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:26:58,156 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-07 12:26:58,156 INFO L430 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-07 12:26:58,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 12:26:58,157 INFO L82 PathProgramCache]: Analyzing trace with hash 2002475034, now seen corresponding path program 1 times [2021-06-07 12:26:58,157 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 12:26:58,158 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910979464] [2021-06-07 12:26:58,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 12:26:58,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 12:26:58,242 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-07 12:26:58,242 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 12:26:58,242 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [910979464] [2021-06-07 12:26:58,242 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [910979464] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 12:26:58,243 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 12:26:58,243 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-07 12:26:58,243 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440736128] [2021-06-07 12:26:58,243 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-07 12:26:58,243 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 12:26:58,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-07 12:26:58,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-07 12:26:58,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:26:58,244 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 12:26:58,244 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 12:26:58,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:26:58,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:26:58,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:26:58,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:26:58,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:26:58,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:26:58,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:26:58,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 12:26:58,279 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-07 12:26:58,279 INFO L430 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-07 12:26:58,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 12:26:58,279 INFO L82 PathProgramCache]: Analyzing trace with hash 963360961, now seen corresponding path program 1 times [2021-06-07 12:26:58,279 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 12:26:58,279 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112914143] [2021-06-07 12:26:58,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 12:26:58,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 12:26:58,313 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-07 12:26:58,313 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 12:26:58,314 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112914143] [2021-06-07 12:26:58,314 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2112914143] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 12:26:58,314 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 12:26:58,314 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-07 12:26:58,314 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037934109] [2021-06-07 12:26:58,314 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-07 12:26:58,314 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 12:26:58,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-07 12:26:58,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-07 12:26:58,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:26:58,315 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 12:26:58,315 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 12:26:58,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:26:58,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:26:58,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:26:58,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 12:26:58,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:26:58,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:26:58,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:26:58,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:26:58,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:26:58,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:26:58,426 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-07 12:26:58,426 INFO L430 AbstractCegarLoop]: === Iteration 6 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-07 12:26:58,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 12:26:58,427 INFO L82 PathProgramCache]: Analyzing trace with hash 251322006, now seen corresponding path program 1 times [2021-06-07 12:26:58,427 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 12:26:58,427 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363649976] [2021-06-07 12:26:58,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 12:26:58,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 12:26:58,463 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-07 12:26:58,464 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 12:26:58,464 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363649976] [2021-06-07 12:26:58,464 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1363649976] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 12:26:58,464 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 12:26:58,464 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-07 12:26:58,464 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682284244] [2021-06-07 12:26:58,465 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-07 12:26:58,465 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 12:26:58,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-07 12:26:58,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-07 12:26:58,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:26:58,466 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 12:26:58,466 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 12:26:58,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:26:58,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:26:58,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:26:58,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:26:58,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:26:58,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:26:58,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:26:58,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:26:58,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:26:58,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:26:58,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:26:58,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:26:58,531 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-07 12:26:58,531 INFO L430 AbstractCegarLoop]: === Iteration 7 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-07 12:26:58,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 12:26:58,531 INFO L82 PathProgramCache]: Analyzing trace with hash 542434564, now seen corresponding path program 1 times [2021-06-07 12:26:58,531 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 12:26:58,531 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367917652] [2021-06-07 12:26:58,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 12:26:58,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 12:26:58,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 12:26:58,557 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 12:26:58,557 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367917652] [2021-06-07 12:26:58,557 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367917652] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 12:26:58,557 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 12:26:58,557 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-07 12:26:58,557 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867137676] [2021-06-07 12:26:58,557 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-07 12:26:58,557 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 12:26:58,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-07 12:26:58,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-07 12:26:58,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:26:58,558 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 12:26:58,558 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 12:26:58,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:26:58,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:26:58,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:26:58,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:26:58,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:26:58,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:26:58,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:26:58,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:26:58,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:26:58,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:26:58,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:26:58,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:26:58,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:26:58,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:26:58,692 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-06-07 12:26:58,692 INFO L430 AbstractCegarLoop]: === Iteration 8 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-07 12:26:58,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 12:26:58,692 INFO L82 PathProgramCache]: Analyzing trace with hash -343003980, now seen corresponding path program 2 times [2021-06-07 12:26:58,693 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 12:26:58,693 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35349107] [2021-06-07 12:26:58,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 12:26:58,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 12:26:58,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 12:26:58,743 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 12:26:58,743 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35349107] [2021-06-07 12:26:58,743 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [35349107] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 12:26:58,743 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 12:26:58,744 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-07 12:26:58,744 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331596051] [2021-06-07 12:26:58,744 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-07 12:26:58,744 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 12:26:58,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-07 12:26:58,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-07 12:26:58,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:26:58,745 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 12:26:58,745 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 12:26:58,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:26:58,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:26:58,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:26:58,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:26:58,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:26:58,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:26:58,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:26:58,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:26:58,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:26:58,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:26:58,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:26:58,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:26:58,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:26:58,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:26:58,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:26:58,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:26:58,879 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-06-07 12:26:58,879 INFO L430 AbstractCegarLoop]: === Iteration 9 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-07 12:26:58,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 12:26:58,879 INFO L82 PathProgramCache]: Analyzing trace with hash -1967154765, now seen corresponding path program 1 times [2021-06-07 12:26:58,879 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 12:26:58,880 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983930647] [2021-06-07 12:26:58,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 12:26:58,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 12:26:58,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 12:26:58,923 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 12:26:58,923 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983930647] [2021-06-07 12:26:58,923 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1983930647] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 12:26:58,924 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 12:26:58,924 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-07 12:26:58,924 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914536756] [2021-06-07 12:26:58,924 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-07 12:26:58,924 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 12:26:58,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-07 12:26:58,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-07 12:26:58,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:26:58,925 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 12:26:58,925 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 12:26:58,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:26:58,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:26:58,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:26:58,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:26:58,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:26:58,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:26:58,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:26:58,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:26:58,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:26:59,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:26:59,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:26:59,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:26:59,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:26:59,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:26:59,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:26:59,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:26:59,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:26:59,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:26:59,057 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-06-07 12:26:59,058 INFO L430 AbstractCegarLoop]: === Iteration 10 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-07 12:26:59,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 12:26:59,058 INFO L82 PathProgramCache]: Analyzing trace with hash 1184157887, now seen corresponding path program 1 times [2021-06-07 12:26:59,058 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 12:26:59,058 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333153390] [2021-06-07 12:26:59,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 12:26:59,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 12:26:59,084 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-07 12:26:59,085 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 12:26:59,085 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333153390] [2021-06-07 12:26:59,085 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1333153390] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 12:26:59,085 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 12:26:59,085 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-07 12:26:59,085 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921624310] [2021-06-07 12:26:59,085 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-07 12:26:59,086 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 12:26:59,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-07 12:26:59,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-07 12:26:59,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:26:59,086 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 12:26:59,086 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 12:26:59,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:26:59,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:26:59,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:26:59,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:26:59,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:26:59,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:26:59,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:26:59,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:26:59,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:26:59,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:26:59,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:26:59,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:26:59,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:26:59,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:26:59,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:26:59,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:26:59,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:26:59,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:26:59,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:26:59,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:26:59,199 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-06-07 12:26:59,199 INFO L430 AbstractCegarLoop]: === Iteration 11 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-07 12:26:59,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 12:26:59,200 INFO L82 PathProgramCache]: Analyzing trace with hash 1299228461, now seen corresponding path program 1 times [2021-06-07 12:26:59,200 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 12:26:59,200 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352388058] [2021-06-07 12:26:59,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 12:26:59,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 12:26:59,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 12:26:59,228 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 12:26:59,228 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352388058] [2021-06-07 12:26:59,228 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352388058] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 12:26:59,228 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 12:26:59,228 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-07 12:26:59,228 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224109107] [2021-06-07 12:26:59,229 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-07 12:26:59,229 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 12:26:59,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-07 12:26:59,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-07 12:26:59,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:26:59,229 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 12:26:59,229 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 12:26:59,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:26:59,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:26:59,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:26:59,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:26:59,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:26:59,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:26:59,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:26:59,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:26:59,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:26:59,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:26:59,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:27:00,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:27:00,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:00,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:00,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:00,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:00,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:00,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:00,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:00,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:00,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:00,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 12:27:00,417 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-06-07 12:27:00,421 INFO L301 ceAbstractionStarter]: Result for error location thr1Thread1of1ForFork0 was SAFE (3/5) [2021-06-07 12:27:00,422 INFO L255 AbstractCegarLoop]: Starting to check reachability of 2 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-07 12:27:00,436 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-07 12:27:00,436 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-07 12:27:00,436 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-07 12:27:00,436 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-07 12:27:00,436 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-07 12:27:00,436 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-07 12:27:00,436 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-07 12:27:00,436 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-07 12:27:00,701 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (4/5) [2021-06-07 12:27:00,701 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-06-07 12:27:00,709 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-07 12:27:00,709 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-07 12:27:00,709 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-07 12:27:00,709 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-07 12:27:00,709 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-07 12:27:00,709 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-07 12:27:00,709 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-07 12:27:00,709 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thr2Thread1of1ForFork1======== Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-07 12:27:00,736 INFO L430 AbstractCegarLoop]: === Iteration 1 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-07 12:27:00,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 12:27:00,736 INFO L82 PathProgramCache]: Analyzing trace with hash -1709817453, now seen corresponding path program 1 times [2021-06-07 12:27:00,736 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 12:27:00,737 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141223375] [2021-06-07 12:27:00,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 12:27:00,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 12:27:00,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 12:27:00,752 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 12:27:00,752 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141223375] [2021-06-07 12:27:00,752 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2141223375] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 12:27:00,752 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 12:27:00,752 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-07 12:27:00,752 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120597635] [2021-06-07 12:27:00,753 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-06-07 12:27:00,753 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 12:27:00,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-06-07 12:27:00,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-06-07 12:27:00,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:27:00,753 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 12:27:00,753 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 12:27:00,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:27:00,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:27:00,755 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-06-07 12:27:00,756 INFO L430 AbstractCegarLoop]: === Iteration 2 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-07 12:27:00,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 12:27:00,756 INFO L82 PathProgramCache]: Analyzing trace with hash -1851503663, now seen corresponding path program 1 times [2021-06-07 12:27:00,756 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 12:27:00,756 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44622237] [2021-06-07 12:27:00,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 12:27:00,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 12:27:00,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 12:27:00,784 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 12:27:00,784 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44622237] [2021-06-07 12:27:00,784 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44622237] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 12:27:00,784 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 12:27:00,785 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-07 12:27:00,785 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646236542] [2021-06-07 12:27:00,785 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-07 12:27:00,785 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 12:27:00,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-07 12:27:00,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-07 12:27:00,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:27:00,786 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 12:27:00,786 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 12:27:00,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:27:00,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:27:00,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:27:00,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:00,813 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-06-07 12:27:00,813 INFO L430 AbstractCegarLoop]: === Iteration 3 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-07 12:27:00,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 12:27:00,814 INFO L82 PathProgramCache]: Analyzing trace with hash -188047488, now seen corresponding path program 1 times [2021-06-07 12:27:00,814 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 12:27:00,814 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835973234] [2021-06-07 12:27:00,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 12:27:00,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 12:27:00,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 12:27:00,839 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 12:27:00,840 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835973234] [2021-06-07 12:27:00,840 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835973234] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 12:27:00,840 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 12:27:00,840 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-07 12:27:00,840 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954055750] [2021-06-07 12:27:00,840 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-07 12:27:00,840 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 12:27:00,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-07 12:27:00,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-07 12:27:00,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:27:00,841 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 12:27:00,841 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 12:27:00,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:27:00,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:00,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:27:00,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:27:00,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:00,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:00,870 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-06-07 12:27:00,870 INFO L430 AbstractCegarLoop]: === Iteration 4 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-07 12:27:00,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 12:27:00,871 INFO L82 PathProgramCache]: Analyzing trace with hash 962401692, now seen corresponding path program 1 times [2021-06-07 12:27:00,871 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 12:27:00,871 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468233238] [2021-06-07 12:27:00,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 12:27:00,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 12:27:00,896 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-07 12:27:00,896 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 12:27:00,896 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468233238] [2021-06-07 12:27:00,896 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468233238] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 12:27:00,896 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 12:27:00,896 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-07 12:27:00,897 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537122294] [2021-06-07 12:27:00,897 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-07 12:27:00,897 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 12:27:00,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-07 12:27:00,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-07 12:27:00,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:27:00,897 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 12:27:00,898 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 12:27:00,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:27:00,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:00,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:00,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:27:00,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:27:00,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:00,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:00,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:00,934 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-06-07 12:27:00,934 INFO L430 AbstractCegarLoop]: === Iteration 5 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-07 12:27:00,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 12:27:00,934 INFO L82 PathProgramCache]: Analyzing trace with hash -1766730590, now seen corresponding path program 1 times [2021-06-07 12:27:00,934 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 12:27:00,934 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323427734] [2021-06-07 12:27:00,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 12:27:00,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 12:27:00,964 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-07 12:27:00,964 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 12:27:00,964 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323427734] [2021-06-07 12:27:00,964 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323427734] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 12:27:00,964 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 12:27:00,964 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-07 12:27:00,965 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612812492] [2021-06-07 12:27:00,965 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-07 12:27:00,965 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 12:27:00,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-07 12:27:00,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-07 12:27:00,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:27:00,965 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 12:27:00,966 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 12:27:00,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:27:00,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:00,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:00,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:00,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:27:01,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:27:01,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:01,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:01,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:01,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:01,052 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-06-07 12:27:01,052 INFO L430 AbstractCegarLoop]: === Iteration 6 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-07 12:27:01,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 12:27:01,052 INFO L82 PathProgramCache]: Analyzing trace with hash 840373664, now seen corresponding path program 1 times [2021-06-07 12:27:01,052 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 12:27:01,052 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350337234] [2021-06-07 12:27:01,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 12:27:01,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 12:27:01,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 12:27:01,073 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 12:27:01,073 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350337234] [2021-06-07 12:27:01,073 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350337234] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 12:27:01,074 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 12:27:01,074 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-07 12:27:01,074 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475652574] [2021-06-07 12:27:01,074 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-07 12:27:01,074 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 12:27:01,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-07 12:27:01,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-07 12:27:01,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:27:01,075 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 12:27:01,075 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 12:27:01,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:27:01,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:01,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:01,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:01,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:01,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:27:01,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:27:01,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:01,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:01,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:01,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:01,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:01,156 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-06-07 12:27:01,156 INFO L430 AbstractCegarLoop]: === Iteration 7 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-07 12:27:01,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 12:27:01,156 INFO L82 PathProgramCache]: Analyzing trace with hash -785930661, now seen corresponding path program 1 times [2021-06-07 12:27:01,156 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 12:27:01,157 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516228073] [2021-06-07 12:27:01,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 12:27:01,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 12:27:01,176 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-07 12:27:01,177 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 12:27:01,177 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516228073] [2021-06-07 12:27:01,177 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516228073] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 12:27:01,177 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 12:27:01,177 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-07 12:27:01,177 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703072841] [2021-06-07 12:27:01,177 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-07 12:27:01,177 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 12:27:01,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-07 12:27:01,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-07 12:27:01,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:27:01,178 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 12:27:01,178 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 12:27:01,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:27:01,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:01,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:01,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:01,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:01,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:01,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:27:01,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:27:01,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:01,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:01,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:01,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:01,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:01,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:01,381 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-06-07 12:27:01,381 INFO L430 AbstractCegarLoop]: === Iteration 8 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-07 12:27:01,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 12:27:01,382 INFO L82 PathProgramCache]: Analyzing trace with hash -540875253, now seen corresponding path program 2 times [2021-06-07 12:27:01,382 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 12:27:01,382 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723881682] [2021-06-07 12:27:01,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 12:27:01,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 12:27:01,433 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-07 12:27:01,433 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 12:27:01,433 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723881682] [2021-06-07 12:27:01,434 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723881682] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 12:27:01,434 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 12:27:01,434 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-07 12:27:01,434 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15329198] [2021-06-07 12:27:01,434 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-07 12:27:01,434 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 12:27:01,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-07 12:27:01,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-07 12:27:01,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:27:01,435 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 12:27:01,435 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 12:27:01,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:27:01,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:01,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:01,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:01,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:01,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:01,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:01,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:27:01,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:27:01,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:01,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:01,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:01,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:01,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:01,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:01,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:01,561 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-06-07 12:27:01,561 INFO L430 AbstractCegarLoop]: === Iteration 9 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-07 12:27:01,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 12:27:01,561 INFO L82 PathProgramCache]: Analyzing trace with hash 414567562, now seen corresponding path program 1 times [2021-06-07 12:27:01,561 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 12:27:01,561 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736134357] [2021-06-07 12:27:01,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 12:27:01,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 12:27:01,585 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-07 12:27:01,585 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 12:27:01,586 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736134357] [2021-06-07 12:27:01,586 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1736134357] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 12:27:01,586 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 12:27:01,586 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-07 12:27:01,586 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046101614] [2021-06-07 12:27:01,586 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-07 12:27:01,586 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 12:27:01,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-07 12:27:01,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-07 12:27:01,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:27:01,587 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 12:27:01,587 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 12:27:01,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:27:01,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:01,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:01,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:01,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:01,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:01,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:01,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:01,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:27:01,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:27:01,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:01,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:01,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:01,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:01,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:01,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:01,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:01,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:01,690 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-06-07 12:27:01,690 INFO L430 AbstractCegarLoop]: === Iteration 10 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-07 12:27:01,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 12:27:01,690 INFO L82 PathProgramCache]: Analyzing trace with hash -402910327, now seen corresponding path program 1 times [2021-06-07 12:27:01,691 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 12:27:01,691 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724245028] [2021-06-07 12:27:01,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 12:27:01,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 12:27:01,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 12:27:01,712 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 12:27:01,713 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724245028] [2021-06-07 12:27:01,713 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724245028] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 12:27:01,713 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 12:27:01,713 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-07 12:27:01,713 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007062196] [2021-06-07 12:27:01,713 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-07 12:27:01,713 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 12:27:01,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-07 12:27:01,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-07 12:27:01,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:27:01,714 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 12:27:01,714 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 12:27:01,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:27:01,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:01,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:01,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:01,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:01,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:01,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:01,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:01,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:01,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:27:01,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:27:01,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:01,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:01,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:01,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:01,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:01,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:01,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:01,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:01,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:01,848 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-06-07 12:27:01,848 INFO L430 AbstractCegarLoop]: === Iteration 11 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-07 12:27:01,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 12:27:01,848 INFO L82 PathProgramCache]: Analyzing trace with hash 140027153, now seen corresponding path program 1 times [2021-06-07 12:27:01,848 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 12:27:01,848 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784225481] [2021-06-07 12:27:01,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 12:27:01,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 12:27:01,889 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 12:27:01,890 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 12:27:01,890 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784225481] [2021-06-07 12:27:01,890 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784225481] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 12:27:01,890 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 12:27:01,890 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-07 12:27:01,890 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120093543] [2021-06-07 12:27:01,890 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-07 12:27:01,890 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 12:27:01,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-07 12:27:01,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-07 12:27:01,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:27:01,891 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 12:27:01,891 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 12:27:01,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:27:01,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:01,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:01,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:01,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:01,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:01,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:01,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:01,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:01,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:01,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:27:02,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:27:02,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:02,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:02,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:02,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:02,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:02,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:02,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:02,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:02,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:02,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 12:27:02,092 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-06-07 12:27:02,092 INFO L430 AbstractCegarLoop]: === Iteration 12 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-07 12:27:02,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 12:27:02,093 INFO L82 PathProgramCache]: Analyzing trace with hash -114087386, now seen corresponding path program 1 times [2021-06-07 12:27:02,093 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 12:27:02,093 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470796974] [2021-06-07 12:27:02,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 12:27:02,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 12:27:02,112 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-07 12:27:02,113 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 12:27:02,113 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470796974] [2021-06-07 12:27:02,113 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470796974] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 12:27:02,113 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 12:27:02,113 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-07 12:27:02,113 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460183752] [2021-06-07 12:27:02,113 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-07 12:27:02,114 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 12:27:02,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-07 12:27:02,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-07 12:27:02,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:27:02,114 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 12:27:02,114 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 12:27:02,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:27:02,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:02,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:02,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:02,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:02,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:02,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:02,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:02,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:02,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:02,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-07 12:27:02,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:27:03,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 12:27:03,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:03,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:03,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:03,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:03,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:03,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:03,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:03,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:03,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 12:27:03,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 12:27:03,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 12:27:03,046 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-06-07 12:27:03,048 INFO L301 ceAbstractionStarter]: Result for error location thr2Thread1of1ForFork1 was SAFE (5/5) [2021-06-07 12:27:03,048 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-07 12:27:03,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.06 12:27:03 BasicIcfg [2021-06-07 12:27:03,051 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-07 12:27:03,052 INFO L168 Benchmark]: Toolchain (without parser) took 7586.65 ms. Allocated memory was 346.0 MB in the beginning and 740.3 MB in the end (delta: 394.3 MB). Free memory was 308.1 MB in the beginning and 558.2 MB in the end (delta: -250.1 MB). Peak memory consumption was 387.8 MB. Max. memory is 16.0 GB. [2021-06-07 12:27:03,052 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 346.0 MB. Free memory was 326.4 MB in the beginning and 326.3 MB in the end (delta: 70.4 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-07 12:27:03,052 INFO L168 Benchmark]: CACSL2BoogieTranslator took 387.30 ms. Allocated memory is still 346.0 MB. Free memory was 307.9 MB in the beginning and 307.7 MB in the end (delta: 177.8 kB). Peak memory consumption was 6.9 MB. Max. memory is 16.0 GB. [2021-06-07 12:27:03,052 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.78 ms. Allocated memory is still 346.0 MB. Free memory was 307.7 MB in the beginning and 306.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-07 12:27:03,052 INFO L168 Benchmark]: Boogie Preprocessor took 23.43 ms. Allocated memory is still 346.0 MB. Free memory was 306.6 MB in the beginning and 304.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-07 12:27:03,053 INFO L168 Benchmark]: RCFGBuilder took 521.45 ms. Allocated memory is still 346.0 MB. Free memory was 304.0 MB in the beginning and 276.2 MB in the end (delta: 27.7 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. [2021-06-07 12:27:03,053 INFO L168 Benchmark]: TraceAbstraction took 6616.21 ms. Allocated memory was 346.0 MB in the beginning and 740.3 MB in the end (delta: 394.3 MB). Free memory was 275.2 MB in the beginning and 558.2 MB in the end (delta: -283.0 MB). Peak memory consumption was 355.6 MB. Max. memory is 16.0 GB. [2021-06-07 12:27:03,054 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 346.0 MB. Free memory was 326.4 MB in the beginning and 326.3 MB in the end (delta: 70.4 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 387.30 ms. Allocated memory is still 346.0 MB. Free memory was 307.9 MB in the beginning and 307.7 MB in the end (delta: 177.8 kB). Peak memory consumption was 6.9 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 30.78 ms. Allocated memory is still 346.0 MB. Free memory was 307.7 MB in the beginning and 306.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 23.43 ms. Allocated memory is still 346.0 MB. Free memory was 306.6 MB in the beginning and 304.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 521.45 ms. Allocated memory is still 346.0 MB. Free memory was 304.0 MB in the beginning and 276.2 MB in the end (delta: 27.7 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. * TraceAbstraction took 6616.21 ms. Allocated memory was 346.0 MB in the beginning and 740.3 MB in the end (delta: 394.3 MB). Free memory was 275.2 MB in the beginning and 558.2 MB in the end (delta: -283.0 MB). Peak memory consumption was 355.6 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 12666, positive: 9645, positive conditional: 9645, positive unconditional: 0, negative: 3021, negative conditional: 3021, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 10004, positive: 9645, positive conditional: 9645, positive unconditional: 0, negative: 359, negative conditional: 359, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 10004, positive: 9645, positive conditional: 0, positive unconditional: 9645, negative: 359, negative conditional: 0, negative unconditional: 359, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2551, positive: 2427, positive conditional: 0, positive unconditional: 2427, negative: 124, negative conditional: 0, negative unconditional: 124, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2551, positive: 2424, positive conditional: 0, positive unconditional: 2424, negative: 127, negative conditional: 0, negative unconditional: 127, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 127, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 124, negative conditional: 0, negative unconditional: 124, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 127, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 124, negative conditional: 0, negative unconditional: 124, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 178, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 176, negative conditional: 0, negative unconditional: 176, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 10004, positive: 7218, positive conditional: 0, positive unconditional: 7218, negative: 235, negative conditional: 0, negative unconditional: 235, unknown: 2551, unknown conditional: 0, unknown unconditional: 2551] , Statistics on independence cache: Total cache size (in pairs): 2551, Positive cache size: 2427, Positive conditional cache size: 0, Positive unconditional cache size: 2427, Negative cache size: 124, Negative conditional cache size: 0, Negative unconditional cache size: 124 ], Maximal queried relation: 0, Independence queries for same thread: 2662 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 12666, positive: 9645, positive conditional: 9645, positive unconditional: 0, negative: 3021, negative conditional: 3021, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 10004, positive: 9645, positive conditional: 9645, positive unconditional: 0, negative: 359, negative conditional: 359, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 10004, positive: 9645, positive conditional: 0, positive unconditional: 9645, negative: 359, negative conditional: 0, negative unconditional: 359, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2551, positive: 2427, positive conditional: 0, positive unconditional: 2427, negative: 124, negative conditional: 0, negative unconditional: 124, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2551, positive: 2424, positive conditional: 0, positive unconditional: 2424, negative: 127, negative conditional: 0, negative unconditional: 127, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 127, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 124, negative conditional: 0, negative unconditional: 124, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 127, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 124, negative conditional: 0, negative unconditional: 124, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 166, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 161, negative conditional: 0, negative unconditional: 161, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 10004, positive: 7218, positive conditional: 0, positive unconditional: 7218, negative: 235, negative conditional: 0, negative unconditional: 235, unknown: 2551, unknown conditional: 0, unknown unconditional: 2551] , Statistics on independence cache: Total cache size (in pairs): 2551, Positive cache size: 2427, Positive conditional cache size: 0, Positive unconditional cache size: 2427, Negative cache size: 124, Negative conditional cache size: 0, Negative unconditional cache size: 124 ], Maximal queried relation: 0, Independence queries for same thread: 2662 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 26596, positive: 20020, positive conditional: 20020, positive unconditional: 0, negative: 6576, negative conditional: 6576, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 20723, positive: 20020, positive conditional: 20020, positive unconditional: 0, negative: 703, negative conditional: 703, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 20723, positive: 20020, positive conditional: 0, positive unconditional: 20020, negative: 703, negative conditional: 0, negative unconditional: 703, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2242, positive: 2144, positive conditional: 0, positive unconditional: 2144, negative: 98, negative conditional: 0, negative unconditional: 98, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2242, positive: 2143, positive conditional: 0, positive unconditional: 2143, negative: 99, negative conditional: 0, negative unconditional: 99, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 99, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 98, negative conditional: 0, negative unconditional: 98, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 245, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 244, negative conditional: 146, negative unconditional: 98, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 269, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 269, negative conditional: 135, negative unconditional: 133, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 20723, positive: 17876, positive conditional: 0, positive unconditional: 17876, negative: 605, negative conditional: 0, negative unconditional: 605, unknown: 2242, unknown conditional: 0, unknown unconditional: 2242] , Statistics on independence cache: Total cache size (in pairs): 2388, Positive cache size: 2144, Positive conditional cache size: 0, Positive unconditional cache size: 2144, Negative cache size: 244, Negative conditional cache size: 146, Negative unconditional cache size: 98, SemanticConditionEliminator.Independence Queries: [ total: 6981, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6981, negative conditional: 937, negative unconditional: 6044, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6981, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6981, negative conditional: 937, negative unconditional: 6044, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 245, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 244, negative conditional: 146, negative unconditional: 98, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 269, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 269, negative conditional: 135, negative unconditional: 133, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6981, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6835, negative conditional: 791, negative unconditional: 6044, unknown: 146, unknown conditional: 146, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2388, Positive cache size: 2144, Positive conditional cache size: 0, Positive unconditional cache size: 2144, Negative cache size: 244, Negative conditional cache size: 146, Negative unconditional cache size: 98, Eliminated conditions: 6044, SemanticConditionEliminator.Independence Queries: [ total: 6981, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6981, negative conditional: 937, negative unconditional: 6044, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6981, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6981, negative conditional: 937, negative unconditional: 6044, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 245, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 244, negative conditional: 146, negative unconditional: 98, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 269, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 269, negative conditional: 135, negative unconditional: 133, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6981, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6835, negative conditional: 791, negative unconditional: 6044, unknown: 146, unknown conditional: 146, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2388, Positive cache size: 2144, Positive conditional cache size: 0, Positive unconditional cache size: 2144, Negative cache size: 244, Negative conditional cache size: 146, Negative unconditional cache size: 98, Eliminated conditions: 6044, SemanticConditionEliminator.Independence Queries: [ total: 6981, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6981, negative conditional: 937, negative unconditional: 6044, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6981, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6981, negative conditional: 937, negative unconditional: 6044, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 245, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 244, negative conditional: 146, negative unconditional: 98, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 269, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 269, negative conditional: 135, negative unconditional: 133, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6981, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6835, negative conditional: 791, negative unconditional: 6044, unknown: 146, unknown conditional: 146, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2388, Positive cache size: 2144, Positive conditional cache size: 0, Positive unconditional cache size: 2144, Negative cache size: 244, Negative conditional cache size: 146, Negative unconditional cache size: 98, Eliminated conditions: 6044, SemanticConditionEliminator.Independence Queries: [ total: 6981, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6981, negative conditional: 937, negative unconditional: 6044, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6981, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6981, negative conditional: 937, negative unconditional: 6044, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 245, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 244, negative conditional: 146, negative unconditional: 98, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 269, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 269, negative conditional: 135, negative unconditional: 133, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6981, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6835, negative conditional: 791, negative unconditional: 6044, unknown: 146, unknown conditional: 146, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2388, Positive cache size: 2144, Positive conditional cache size: 0, Positive unconditional cache size: 2144, Negative cache size: 244, Negative conditional cache size: 146, Negative unconditional cache size: 98, Eliminated conditions: 6044, SemanticConditionEliminator.Independence Queries: [ total: 6981, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6981, negative conditional: 937, negative unconditional: 6044, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6981, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6981, negative conditional: 937, negative unconditional: 6044, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 245, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 244, negative conditional: 146, negative unconditional: 98, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 269, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 269, negative conditional: 135, negative unconditional: 133, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6981, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6835, negative conditional: 791, negative unconditional: 6044, unknown: 146, unknown conditional: 146, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2388, Positive cache size: 2144, Positive conditional cache size: 0, Positive unconditional cache size: 2144, Negative cache size: 244, Negative conditional cache size: 146, Negative unconditional cache size: 98, Eliminated conditions: 6044, SemanticConditionEliminator.Independence Queries: [ total: 6981, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6981, negative conditional: 937, negative unconditional: 6044, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6981, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6981, negative conditional: 937, negative unconditional: 6044, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 245, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 244, negative conditional: 146, negative unconditional: 98, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 269, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 269, negative conditional: 135, negative unconditional: 133, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6981, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6835, negative conditional: 791, negative unconditional: 6044, unknown: 146, unknown conditional: 146, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2388, Positive cache size: 2144, Positive conditional cache size: 0, Positive unconditional cache size: 2144, Negative cache size: 244, Negative conditional cache size: 146, Negative unconditional cache size: 98, Eliminated conditions: 6044, SemanticConditionEliminator.Independence Queries: [ total: 6981, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6981, negative conditional: 937, negative unconditional: 6044, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6981, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6981, negative conditional: 937, negative unconditional: 6044, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 245, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 244, negative conditional: 146, negative unconditional: 98, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 269, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 269, negative conditional: 135, negative unconditional: 133, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6981, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6835, negative conditional: 791, negative unconditional: 6044, unknown: 146, unknown conditional: 146, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2388, Positive cache size: 2144, Positive conditional cache size: 0, Positive unconditional cache size: 2144, Negative cache size: 244, Negative conditional cache size: 146, Negative unconditional cache size: 98, Eliminated conditions: 6044, SemanticConditionEliminator.Independence Queries: [ total: 6981, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6981, negative conditional: 937, negative unconditional: 6044, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6981, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6981, negative conditional: 937, negative unconditional: 6044, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 245, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 244, negative conditional: 146, negative unconditional: 98, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 269, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 269, negative conditional: 135, negative unconditional: 133, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6981, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6835, negative conditional: 791, negative unconditional: 6044, unknown: 146, unknown conditional: 146, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2388, Positive cache size: 2144, Positive conditional cache size: 0, Positive unconditional cache size: 2144, Negative cache size: 244, Negative conditional cache size: 146, Negative unconditional cache size: 98, Eliminated conditions: 6044, SemanticConditionEliminator.Independence Queries: [ total: 6981, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6981, negative conditional: 937, negative unconditional: 6044, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6981, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6981, negative conditional: 937, negative unconditional: 6044, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 245, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 244, negative conditional: 146, negative unconditional: 98, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 269, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 269, negative conditional: 135, negative unconditional: 133, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6981, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6835, negative conditional: 791, negative unconditional: 6044, unknown: 146, unknown conditional: 146, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2388, Positive cache size: 2144, Positive conditional cache size: 0, Positive unconditional cache size: 2144, Negative cache size: 244, Negative conditional cache size: 146, Negative unconditional cache size: 98, Eliminated conditions: 6044, SemanticConditionEliminator.Independence Queries: [ total: 6981, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6981, negative conditional: 937, negative unconditional: 6044, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6981, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6981, negative conditional: 937, negative unconditional: 6044, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 245, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 244, negative conditional: 146, negative unconditional: 98, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 269, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 269, negative conditional: 135, negative unconditional: 133, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6981, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6835, negative conditional: 791, negative unconditional: 6044, unknown: 146, unknown conditional: 146, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2388, Positive cache size: 2144, Positive conditional cache size: 0, Positive unconditional cache size: 2144, Negative cache size: 244, Negative conditional cache size: 146, Negative unconditional cache size: 98, Eliminated conditions: 6044, SemanticConditionEliminator.Independence Queries: [ total: 6981, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6981, negative conditional: 937, negative unconditional: 6044, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6981, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6981, negative conditional: 937, negative unconditional: 6044, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 245, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 244, negative conditional: 146, negative unconditional: 98, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 269, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 269, negative conditional: 135, negative unconditional: 133, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6981, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6835, negative conditional: 791, negative unconditional: 6044, unknown: 146, unknown conditional: 146, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2388, Positive cache size: 2144, Positive conditional cache size: 0, Positive unconditional cache size: 2144, Negative cache size: 244, Negative conditional cache size: 146, Negative unconditional cache size: 98, Eliminated conditions: 6044 ], Maximal queried relation: 11, Independence queries for same thread: 5873 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 12666, positive: 9645, positive conditional: 9645, positive unconditional: 0, negative: 3021, negative conditional: 3021, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 10004, positive: 9645, positive conditional: 9645, positive unconditional: 0, negative: 359, negative conditional: 359, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 10004, positive: 9645, positive conditional: 0, positive unconditional: 9645, negative: 359, negative conditional: 0, negative unconditional: 359, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2551, positive: 2427, positive conditional: 0, positive unconditional: 2427, negative: 124, negative conditional: 0, negative unconditional: 124, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2551, positive: 2424, positive conditional: 0, positive unconditional: 2424, negative: 127, negative conditional: 0, negative unconditional: 127, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 127, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 124, negative conditional: 0, negative unconditional: 124, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 127, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 124, negative conditional: 0, negative unconditional: 124, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 111, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 109, negative conditional: 0, negative unconditional: 109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 10004, positive: 7218, positive conditional: 0, positive unconditional: 7218, negative: 235, negative conditional: 0, negative unconditional: 235, unknown: 2551, unknown conditional: 0, unknown unconditional: 2551] , Statistics on independence cache: Total cache size (in pairs): 2551, Positive cache size: 2427, Positive conditional cache size: 0, Positive unconditional cache size: 2427, Negative cache size: 124, Negative conditional cache size: 0, Negative unconditional cache size: 124 ], Maximal queried relation: 0, Independence queries for same thread: 2662 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 22460, positive: 16483, positive conditional: 16483, positive unconditional: 0, negative: 5977, negative conditional: 5977, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 17140, positive: 16483, positive conditional: 16483, positive unconditional: 0, negative: 657, negative conditional: 657, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 17140, positive: 16483, positive conditional: 0, positive unconditional: 16483, negative: 657, negative conditional: 0, negative unconditional: 657, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1878, positive: 1796, positive conditional: 0, positive unconditional: 1796, negative: 82, negative conditional: 0, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1878, positive: 1795, positive conditional: 0, positive unconditional: 1795, negative: 83, negative conditional: 0, negative unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 83, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 82, negative conditional: 0, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 251, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 250, negative conditional: 168, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 233, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 232, negative conditional: 150, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 17140, positive: 14687, positive conditional: 0, positive unconditional: 14687, negative: 575, negative conditional: 0, negative unconditional: 575, unknown: 1878, unknown conditional: 0, unknown unconditional: 1878] , Statistics on independence cache: Total cache size (in pairs): 2046, Positive cache size: 1796, Positive conditional cache size: 0, Positive unconditional cache size: 1796, Negative cache size: 250, Negative conditional cache size: 168, Negative unconditional cache size: 82, SemanticConditionEliminator.Independence Queries: [ total: 6841, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6841, negative conditional: 1072, negative unconditional: 5769, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6841, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6841, negative conditional: 1072, negative unconditional: 5769, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 251, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 250, negative conditional: 168, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 233, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 232, negative conditional: 150, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6841, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6673, negative conditional: 904, negative unconditional: 5769, unknown: 168, unknown conditional: 168, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2046, Positive cache size: 1796, Positive conditional cache size: 0, Positive unconditional cache size: 1796, Negative cache size: 250, Negative conditional cache size: 168, Negative unconditional cache size: 82, Eliminated conditions: 5769, SemanticConditionEliminator.Independence Queries: [ total: 6841, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6841, negative conditional: 1072, negative unconditional: 5769, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6841, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6841, negative conditional: 1072, negative unconditional: 5769, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 251, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 250, negative conditional: 168, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 233, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 232, negative conditional: 150, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6841, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6673, negative conditional: 904, negative unconditional: 5769, unknown: 168, unknown conditional: 168, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2046, Positive cache size: 1796, Positive conditional cache size: 0, Positive unconditional cache size: 1796, Negative cache size: 250, Negative conditional cache size: 168, Negative unconditional cache size: 82, Eliminated conditions: 5769, SemanticConditionEliminator.Independence Queries: [ total: 6841, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6841, negative conditional: 1072, negative unconditional: 5769, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6841, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6841, negative conditional: 1072, negative unconditional: 5769, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 251, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 250, negative conditional: 168, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 233, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 232, negative conditional: 150, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6841, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6673, negative conditional: 904, negative unconditional: 5769, unknown: 168, unknown conditional: 168, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2046, Positive cache size: 1796, Positive conditional cache size: 0, Positive unconditional cache size: 1796, Negative cache size: 250, Negative conditional cache size: 168, Negative unconditional cache size: 82, Eliminated conditions: 5769, SemanticConditionEliminator.Independence Queries: [ total: 6841, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6841, negative conditional: 1072, negative unconditional: 5769, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6841, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6841, negative conditional: 1072, negative unconditional: 5769, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 251, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 250, negative conditional: 168, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 233, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 232, negative conditional: 150, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6841, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6673, negative conditional: 904, negative unconditional: 5769, unknown: 168, unknown conditional: 168, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2046, Positive cache size: 1796, Positive conditional cache size: 0, Positive unconditional cache size: 1796, Negative cache size: 250, Negative conditional cache size: 168, Negative unconditional cache size: 82, Eliminated conditions: 5769, SemanticConditionEliminator.Independence Queries: [ total: 6841, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6841, negative conditional: 1072, negative unconditional: 5769, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6841, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6841, negative conditional: 1072, negative unconditional: 5769, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 251, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 250, negative conditional: 168, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 233, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 232, negative conditional: 150, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6841, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6673, negative conditional: 904, negative unconditional: 5769, unknown: 168, unknown conditional: 168, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2046, Positive cache size: 1796, Positive conditional cache size: 0, Positive unconditional cache size: 1796, Negative cache size: 250, Negative conditional cache size: 168, Negative unconditional cache size: 82, Eliminated conditions: 5769, SemanticConditionEliminator.Independence Queries: [ total: 6841, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6841, negative conditional: 1072, negative unconditional: 5769, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6841, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6841, negative conditional: 1072, negative unconditional: 5769, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 251, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 250, negative conditional: 168, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 233, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 232, negative conditional: 150, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6841, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6673, negative conditional: 904, negative unconditional: 5769, unknown: 168, unknown conditional: 168, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2046, Positive cache size: 1796, Positive conditional cache size: 0, Positive unconditional cache size: 1796, Negative cache size: 250, Negative conditional cache size: 168, Negative unconditional cache size: 82, Eliminated conditions: 5769, SemanticConditionEliminator.Independence Queries: [ total: 6841, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6841, negative conditional: 1072, negative unconditional: 5769, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6841, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6841, negative conditional: 1072, negative unconditional: 5769, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 251, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 250, negative conditional: 168, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 233, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 232, negative conditional: 150, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6841, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6673, negative conditional: 904, negative unconditional: 5769, unknown: 168, unknown conditional: 168, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2046, Positive cache size: 1796, Positive conditional cache size: 0, Positive unconditional cache size: 1796, Negative cache size: 250, Negative conditional cache size: 168, Negative unconditional cache size: 82, Eliminated conditions: 5769, SemanticConditionEliminator.Independence Queries: [ total: 6841, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6841, negative conditional: 1072, negative unconditional: 5769, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6841, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6841, negative conditional: 1072, negative unconditional: 5769, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 251, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 250, negative conditional: 168, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 233, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 232, negative conditional: 150, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6841, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6673, negative conditional: 904, negative unconditional: 5769, unknown: 168, unknown conditional: 168, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2046, Positive cache size: 1796, Positive conditional cache size: 0, Positive unconditional cache size: 1796, Negative cache size: 250, Negative conditional cache size: 168, Negative unconditional cache size: 82, Eliminated conditions: 5769, SemanticConditionEliminator.Independence Queries: [ total: 6841, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6841, negative conditional: 1072, negative unconditional: 5769, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6841, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6841, negative conditional: 1072, negative unconditional: 5769, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 251, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 250, negative conditional: 168, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 233, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 232, negative conditional: 150, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6841, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6673, negative conditional: 904, negative unconditional: 5769, unknown: 168, unknown conditional: 168, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2046, Positive cache size: 1796, Positive conditional cache size: 0, Positive unconditional cache size: 1796, Negative cache size: 250, Negative conditional cache size: 168, Negative unconditional cache size: 82, Eliminated conditions: 5769, SemanticConditionEliminator.Independence Queries: [ total: 6841, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6841, negative conditional: 1072, negative unconditional: 5769, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6841, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6841, negative conditional: 1072, negative unconditional: 5769, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 251, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 250, negative conditional: 168, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 233, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 232, negative conditional: 150, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6841, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6673, negative conditional: 904, negative unconditional: 5769, unknown: 168, unknown conditional: 168, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2046, Positive cache size: 1796, Positive conditional cache size: 0, Positive unconditional cache size: 1796, Negative cache size: 250, Negative conditional cache size: 168, Negative unconditional cache size: 82, Eliminated conditions: 5769, SemanticConditionEliminator.Independence Queries: [ total: 6841, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6841, negative conditional: 1072, negative unconditional: 5769, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6841, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6841, negative conditional: 1072, negative unconditional: 5769, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 251, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 250, negative conditional: 168, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 233, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 232, negative conditional: 150, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6841, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6673, negative conditional: 904, negative unconditional: 5769, unknown: 168, unknown conditional: 168, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2046, Positive cache size: 1796, Positive conditional cache size: 0, Positive unconditional cache size: 1796, Negative cache size: 250, Negative conditional cache size: 168, Negative unconditional cache size: 82, Eliminated conditions: 5769, SemanticConditionEliminator.Independence Queries: [ total: 6841, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6841, negative conditional: 1072, negative unconditional: 5769, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6841, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6841, negative conditional: 1072, negative unconditional: 5769, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 251, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 250, negative conditional: 168, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 233, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 232, negative conditional: 150, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6841, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6673, negative conditional: 904, negative unconditional: 5769, unknown: 168, unknown conditional: 168, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2046, Positive cache size: 1796, Positive conditional cache size: 0, Positive unconditional cache size: 1796, Negative cache size: 250, Negative conditional cache size: 168, Negative unconditional cache size: 82, Eliminated conditions: 5769 ], Maximal queried relation: 12, Independence queries for same thread: 5320 - PositiveResult [Line: 802]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 745]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thr2 with 1 thread instances CFG has 5 procedures, 150 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 613.9ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 15.4ms, PartialOrderReductionTime: 558.1ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thr1 with 1 thread instances CFG has 5 procedures, 150 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 402.5ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.7ms, PartialOrderReductionTime: 387.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thr1Thread1of1ForFork0 with 1 thread instances CFG has 5 procedures, 150 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2800.3ms, OverallIterations: 11, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.6ms, PartialOrderReductionTime: 2046.6ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 50, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 24.7ms SsaConstructionTime, 141.0ms SatisfiabilityAnalysisTime, 370.4ms InterpolantComputationTime, 606 NumberOfCodeBlocks, 606 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 595 ConstructedInterpolants, 0 QuantifiedInterpolants, 711 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 4/4 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 150 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 278.0ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.3ms, PartialOrderReductionTime: 262.7ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thr2Thread1of1ForFork1 with 1 thread instances CFG has 5 procedures, 150 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2345.9ms, OverallIterations: 12, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.2ms, PartialOrderReductionTime: 1978.5ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 67, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 13.7ms SsaConstructionTime, 42.7ms SatisfiabilityAnalysisTime, 238.3ms InterpolantComputationTime, 710 NumberOfCodeBlocks, 710 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 698 ConstructedInterpolants, 0 QuantifiedInterpolants, 896 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 8/8 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 - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...