/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-Persistent-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-atomic/szymanski.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-8a14012e553caa636f65c1137831746b6d9875cd-8a14012 [2021-08-07 12:51:47,331 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-07 12:51:47,333 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-07 12:51:47,370 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-07 12:51:47,425 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-07 12:51:47,426 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-07 12:51:47,426 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-07 12:51:47,428 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-Persistent-NoLbe.epf [2021-08-07 12:51:47,463 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-07 12:51:47,463 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-07 12:51:47,464 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-07 12:51:47,464 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-07 12:51:47,467 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-07 12:51:47,467 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-07 12:51:47,467 INFO L138 SettingsManager]: * Use SBE=true [2021-08-07 12:51:47,467 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-07 12:51:47,468 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-07 12:51:47,468 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-07 12:51:47,468 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-07 12:51:47,469 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-07 12:51:47,469 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-07 12:51:47,469 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-07 12:51:47,469 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-07 12:51:47,469 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-07 12:51:47,469 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-07 12:51:47,470 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-07 12:51:47,470 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-07 12:51:47,470 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-07 12:51:47,470 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-07 12:51:47,470 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-07 12:51:47,470 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-07 12:51:47,471 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-07 12:51:47,471 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-07 12:51:47,471 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-07 12:51:47,471 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-07 12:51:47,471 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-07 12:51:47,471 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-07 12:51:47,472 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-07 12:51:47,472 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-07 12:51:47,472 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-07 12:51:47,472 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SETS [2021-08-07 12:51:47,472 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-07 12:51:47,805 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-07 12:51:47,830 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-07 12:51:47,833 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-07 12:51:47,834 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-07 12:51:47,834 INFO L275 PluginConnector]: CDTParser initialized [2021-08-07 12:51:47,835 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/szymanski.i [2021-08-07 12:51:47,899 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6de43b07/e1dd6b1bf1914980ad02257d66a68bda/FLAG3c9e1d94c [2021-08-07 12:51:48,387 INFO L306 CDTParser]: Found 1 translation units. [2021-08-07 12:51:48,387 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/szymanski.i [2021-08-07 12:51:48,410 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6de43b07/e1dd6b1bf1914980ad02257d66a68bda/FLAG3c9e1d94c [2021-08-07 12:51:48,730 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6de43b07/e1dd6b1bf1914980ad02257d66a68bda [2021-08-07 12:51:48,732 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-07 12:51:48,734 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-07 12:51:48,737 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-07 12:51:48,737 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-07 12:51:48,742 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-07 12:51:48,743 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.08 12:51:48" (1/1) ... [2021-08-07 12:51:48,744 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@220fff41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:51:48, skipping insertion in model container [2021-08-07 12:51:48,744 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.08 12:51:48" (1/1) ... [2021-08-07 12:51:48,750 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-07 12:51:48,799 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-07 12:51:48,914 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-08-07 12:51:49,057 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] [2021-08-07 12:51:49,063 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] [2021-08-07 12:51:49,067 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-07 12:51:49,073 INFO L203 MainTranslator]: Completed pre-run [2021-08-07 12:51:49,084 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-08-07 12:51:49,101 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] [2021-08-07 12:51:49,104 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] [2021-08-07 12:51:49,108 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-07 12:51:49,136 INFO L208 MainTranslator]: Completed translation [2021-08-07 12:51:49,137 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:51:49 WrapperNode [2021-08-07 12:51:49,137 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-07 12:51:49,138 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-07 12:51:49,138 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-07 12:51:49,138 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-07 12:51:49,144 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:51:49" (1/1) ... [2021-08-07 12:51:49,155 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:51:49" (1/1) ... [2021-08-07 12:51:49,169 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-07 12:51:49,170 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-07 12:51:49,170 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-07 12:51:49,170 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-07 12:51:49,176 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:51:49" (1/1) ... [2021-08-07 12:51:49,177 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:51:49" (1/1) ... [2021-08-07 12:51:49,179 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:51:49" (1/1) ... [2021-08-07 12:51:49,179 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:51:49" (1/1) ... [2021-08-07 12:51:49,184 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:51:49" (1/1) ... [2021-08-07 12:51:49,188 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:51:49" (1/1) ... [2021-08-07 12:51:49,189 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:51:49" (1/1) ... [2021-08-07 12:51:49,192 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-07 12:51:49,193 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-07 12:51:49,193 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-07 12:51:49,193 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-07 12:51:49,193 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:51:49" (1/1) ... [2021-08-07 12:51:49,199 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-07 12:51:49,204 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 12:51:49,220 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-07 12:51:49,229 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-07 12:51:49,258 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-07 12:51:49,258 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2021-08-07 12:51:49,258 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2021-08-07 12:51:49,263 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-08-07 12:51:49,263 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-08-07 12:51:49,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-07 12:51:49,263 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-08-07 12:51:49,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-07 12:51:49,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-07 12:51:49,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-07 12:51:49,264 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-08-07 12:51:49,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-07 12:51:49,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-07 12:51:49,265 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-07 12:51:49,615 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-07 12:51:49,615 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-08-07 12:51:49,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.08 12:51:49 BoogieIcfgContainer [2021-08-07 12:51:49,617 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-07 12:51:49,619 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-07 12:51:49,619 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-07 12:51:49,621 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-07 12:51:49,621 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.08 12:51:48" (1/3) ... [2021-08-07 12:51:49,622 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@574d5195 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.08 12:51:49, skipping insertion in model container [2021-08-07 12:51:49,622 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 12:51:49" (2/3) ... [2021-08-07 12:51:49,622 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@574d5195 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.08 12:51:49, skipping insertion in model container [2021-08-07 12:51:49,622 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.08 12:51:49" (3/3) ... [2021-08-07 12:51:49,623 INFO L111 eAbstractionObserver]: Analyzing ICFG szymanski.i [2021-08-07 12:51:49,627 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-07 12:51:49,627 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-07 12:51:49,627 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-08-07 12:51:49,628 INFO L509 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-07 12:51:49,669 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,669 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,670 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,670 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,670 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,670 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,670 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,670 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,671 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,671 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,671 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,673 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,673 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,673 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,674 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,674 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,674 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,674 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,675 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,675 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,675 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,676 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,677 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,677 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,677 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,677 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,678 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,678 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,679 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,679 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,679 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,679 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,679 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,680 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,680 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,680 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,680 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,680 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,680 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,681 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,683 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,683 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,683 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,683 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,683 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,684 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,684 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,684 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,685 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,685 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,687 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,687 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,687 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,687 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,687 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,687 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,687 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,687 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,688 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,688 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,688 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,689 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,689 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,689 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,689 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,689 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,690 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,690 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,690 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,690 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,690 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,690 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,692 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,692 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,692 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,692 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,692 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,692 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,692 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,693 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,693 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,693 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,693 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,693 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,694 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,694 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,694 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,695 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,695 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,696 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,696 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,699 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,703 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,704 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,704 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,704 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,704 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,704 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,704 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,705 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,709 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,709 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,709 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,709 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,709 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,713 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,713 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,714 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,714 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,714 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 12:51:49,735 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-08-07 12:51:49,782 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-07 12:51:49,782 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 12:51:49,784 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-08-07 12:51:49,785 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-08-07 12:51:49,813 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr1Thread1of1ForFork0 ======== [2021-08-07 12:51:49,818 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-07 12:51:49,818 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-08-07 12:51:49,948 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-07 12:51:49,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 12:51:49,952 INFO L82 PathProgramCache]: Analyzing trace with hash -686580923, now seen corresponding path program 1 times [2021-08-07 12:51:49,958 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 12:51:49,959 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250432081] [2021-08-07 12:51:49,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 12:51:49,959 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 12:51:50,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 12:51:50,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 12:51:50,148 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 12:51:50,148 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250432081] [2021-08-07 12:51:50,149 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250432081] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 12:51:50,149 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 12:51:50,149 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-07 12:51:50,150 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740043100] [2021-08-07 12:51:50,155 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-07 12:51:50,155 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 12:51:50,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-07 12:51:50,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-07 12:51:50,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:51:50,166 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 12:51:50,167 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 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) [2021-08-07 12:51:50,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:51:50,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:51:50,174 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-07 12:51:50,174 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-07 12:51:50,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 12:51:50,175 INFO L82 PathProgramCache]: Analyzing trace with hash -92450458, now seen corresponding path program 1 times [2021-08-07 12:51:50,175 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 12:51:50,175 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798312081] [2021-08-07 12:51:50,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 12:51:50,175 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 12:51:50,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 12:51:50,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 12:51:50,307 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 12:51:50,307 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798312081] [2021-08-07 12:51:50,307 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [798312081] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 12:51:50,308 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 12:51:50,308 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-07 12:51:50,308 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401995843] [2021-08-07 12:51:50,309 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-07 12:51:50,309 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 12:51:50,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-07 12:51:50,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-07 12:51:50,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:51:50,310 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 12:51:50,310 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 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) [2021-08-07 12:51:50,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:51:50,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:51:50,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:51:50,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-07 12:51:50,352 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-07 12:51:50,352 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-07 12:51:50,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 12:51:50,360 INFO L82 PathProgramCache]: Analyzing trace with hash -2096287979, now seen corresponding path program 1 times [2021-08-07 12:51:50,360 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 12:51:50,360 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875043827] [2021-08-07 12:51:50,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 12:51:50,360 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 12:51:50,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 12:51:50,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 12:51:50,439 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 12:51:50,440 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875043827] [2021-08-07 12:51:50,440 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875043827] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 12:51:50,440 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 12:51:50,440 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-07 12:51:50,440 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417785053] [2021-08-07 12:51:50,441 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-07 12:51:50,441 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 12:51:50,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-07 12:51:50,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-07 12:51:50,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:51:50,443 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 12:51:50,443 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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) [2021-08-07 12:51:50,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:51:50,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-07 12:51:50,443 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:51:50,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:51:50,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:51:50,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:51:50,502 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-07 12:51:50,503 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-07 12:51:50,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 12:51:50,503 INFO L82 PathProgramCache]: Analyzing trace with hash 1772760606, now seen corresponding path program 1 times [2021-08-07 12:51:50,503 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 12:51:50,503 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105558227] [2021-08-07 12:51:50,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 12:51:50,504 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 12:51:50,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 12:51:50,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 12:51:50,552 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 12:51:50,552 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105558227] [2021-08-07 12:51:50,552 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105558227] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 12:51:50,552 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 12:51:50,553 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-07 12:51:50,553 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660990859] [2021-08-07 12:51:50,553 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-07 12:51:50,553 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 12:51:50,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-07 12:51:50,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-07 12:51:50,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:51:50,554 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 12:51:50,554 INFO L471 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) [2021-08-07 12:51:50,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:51:50,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:51:50,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:51:50,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:51:50,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:51:50,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:51:50,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:51:50,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:51:50,744 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-07 12:51:50,744 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-07 12:51:50,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 12:51:50,745 INFO L82 PathProgramCache]: Analyzing trace with hash 1010195038, now seen corresponding path program 2 times [2021-08-07 12:51:50,746 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 12:51:50,748 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954175315] [2021-08-07 12:51:50,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 12:51:50,748 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 12:51:50,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 12:51:50,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 12:51:50,811 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 12:51:50,811 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954175315] [2021-08-07 12:51:50,811 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954175315] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 12:51:50,811 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 12:51:50,811 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-07 12:51:50,811 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147400135] [2021-08-07 12:51:50,812 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-07 12:51:50,812 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 12:51:50,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-07 12:51:50,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-07 12:51:50,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:51:50,813 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 12:51:50,813 INFO L471 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) [2021-08-07 12:51:50,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:51:50,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:51:50,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:51:50,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:51:50,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:51:50,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:51:50,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:51:50,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:51:50,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:51:50,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:51:50,881 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-07 12:51:50,882 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-07 12:51:50,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 12:51:50,882 INFO L82 PathProgramCache]: Analyzing trace with hash -1252220071, now seen corresponding path program 1 times [2021-08-07 12:51:50,882 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 12:51:50,882 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395772377] [2021-08-07 12:51:50,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 12:51:50,883 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 12:51:50,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 12:51:50,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 12:51:50,919 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 12:51:50,919 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395772377] [2021-08-07 12:51:50,920 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395772377] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 12:51:50,920 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 12:51:50,920 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-07 12:51:50,920 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934210689] [2021-08-07 12:51:50,920 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-07 12:51:50,920 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 12:51:50,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-07 12:51:50,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-07 12:51:50,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:51:50,921 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 12:51:50,921 INFO L471 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) [2021-08-07 12:51:50,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:51:50,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:51:50,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:51:50,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:51:50,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:51:50,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:51:50,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:51:50,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:51:50,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:51:50,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:51:50,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:51:50,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:51:50,957 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-07 12:51:50,957 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-07 12:51:50,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 12:51:50,958 INFO L82 PathProgramCache]: Analyzing trace with hash -1303801953, now seen corresponding path program 1 times [2021-08-07 12:51:50,958 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 12:51:50,958 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967012287] [2021-08-07 12:51:50,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 12:51:50,958 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 12:51:50,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 12:51:51,001 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 12:51:51,001 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 12:51:51,001 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967012287] [2021-08-07 12:51:51,001 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [967012287] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 12:51:51,001 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 12:51:51,001 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-07 12:51:51,002 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047104961] [2021-08-07 12:51:51,003 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-07 12:51:51,003 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 12:51:51,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-07 12:51:51,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-07 12:51:51,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:51:51,004 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 12:51:51,004 INFO L471 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) [2021-08-07 12:51:51,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:51:51,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:51:51,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:51:51,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:51:51,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:51:51,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:51:51,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:51:51,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:51:51,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:51:51,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:51:51,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:51:51,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:51:51,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:51:51,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:51:51,047 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-07 12:51:51,047 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-07 12:51:51,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 12:51:51,048 INFO L82 PathProgramCache]: Analyzing trace with hash -979182973, now seen corresponding path program 2 times [2021-08-07 12:51:51,048 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 12:51:51,048 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381685293] [2021-08-07 12:51:51,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 12:51:51,049 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 12:51:51,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 12:51:51,122 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-07 12:51:51,122 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 12:51:51,122 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381685293] [2021-08-07 12:51:51,123 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [381685293] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 12:51:51,123 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 12:51:51,123 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-07 12:51:51,124 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205169877] [2021-08-07 12:51:51,124 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-07 12:51:51,124 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 12:51:51,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-07 12:51:51,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-07 12:51:51,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:51:51,125 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 12:51:51,125 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 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) [2021-08-07 12:51:51,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:51:51,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:51:51,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:51:51,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:51:51,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:51:51,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:51:51,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:51:51,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:51:51,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:51:51,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:51:51,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:51:51,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:51:51,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:51:51,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:51:51,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:51:51,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:51:51,298 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-07 12:51:51,298 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-07 12:51:51,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 12:51:51,299 INFO L82 PathProgramCache]: Analyzing trace with hash 834632047, now seen corresponding path program 2 times [2021-08-07 12:51:51,299 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 12:51:51,299 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679123863] [2021-08-07 12:51:51,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 12:51:51,299 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 12:51:51,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 12:51:51,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 12:51:51,367 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 12:51:51,367 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679123863] [2021-08-07 12:51:51,367 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [679123863] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 12:51:51,367 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 12:51:51,367 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-07 12:51:51,367 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410701233] [2021-08-07 12:51:51,368 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-07 12:51:51,368 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 12:51:51,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-07 12:51:51,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-07 12:51:51,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:51:51,369 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 12:51:51,369 INFO L471 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) [2021-08-07 12:51:51,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:51:51,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:51:51,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:51:51,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:51:51,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:51:51,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:51:51,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:51:51,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:51:51,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:51:51,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:51:51,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:51:51,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:51:51,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:51:51,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:51:51,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:51:51,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:51:51,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:51:51,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:51:51,519 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-08-07 12:51:51,519 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-07 12:51:51,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 12:51:51,520 INFO L82 PathProgramCache]: Analyzing trace with hash 1739742078, now seen corresponding path program 1 times [2021-08-07 12:51:51,520 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 12:51:51,520 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430126803] [2021-08-07 12:51:51,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 12:51:51,520 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 12:51:51,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 12:51:51,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 12:51:51,562 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 12:51:51,562 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430126803] [2021-08-07 12:51:51,562 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1430126803] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 12:51:51,562 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 12:51:51,562 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-07 12:51:51,563 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507570566] [2021-08-07 12:51:51,563 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-07 12:51:51,563 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 12:51:51,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-07 12:51:51,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-07 12:51:51,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:51:51,564 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 12:51:51,564 INFO L471 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) [2021-08-07 12:51:51,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:51:51,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:51:51,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:51:51,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:51:51,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:51:51,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:51:51,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:51:51,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:51:51,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:51:51,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:51:51,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:51:51,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:51:51,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:51:51,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:51:51,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:51:51,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:51:51,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:51:51,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:51:51,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:51:51,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:51:51,761 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-07 12:51:51,762 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-08-07 12:51:51,767 INFO L308 ceAbstractionStarter]: Result for error location thr1Thread1of1ForFork0 was SAFE (1/3) [2021-08-07 12:51:51,769 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-07 12:51:51,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 12:51:51,772 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-08-07 12:51:51,780 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-08-07 12:51:51,781 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-07 12:51:51,781 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-08-07 12:51:51,781 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2021-08-07 12:51:51,852 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-07 12:51:51,853 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-07 12:51:51,854 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE (2/3) [2021-08-07 12:51:51,855 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-07 12:51:51,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 12:51:51,856 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-08-07 12:51:51,857 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process [2021-08-07 12:51:51,859 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr2Thread1of1ForFork1 ======== [2021-08-07 12:51:51,859 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-07 12:51:51,859 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-08-07 12:51:51,905 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-07 12:51:51,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 12:51:51,905 INFO L82 PathProgramCache]: Analyzing trace with hash 902671759, now seen corresponding path program 1 times [2021-08-07 12:51:51,905 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 12:51:51,905 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12488686] [2021-08-07 12:51:51,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 12:51:51,906 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 12:51:51,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 12:51:51,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 12:51:51,923 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 12:51:51,923 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12488686] [2021-08-07 12:51:51,923 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [12488686] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 12:51:51,923 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 12:51:51,923 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-07 12:51:51,923 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942181297] [2021-08-07 12:51:51,924 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-07 12:51:51,924 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 12:51:51,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-07 12:51:51,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-07 12:51:51,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:51:51,924 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 12:51:51,924 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 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) [2021-08-07 12:51:51,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:51:51,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:51:51,926 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-08-07 12:51:51,926 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-07 12:51:51,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 12:51:51,926 INFO L82 PathProgramCache]: Analyzing trace with hash 1652462511, now seen corresponding path program 1 times [2021-08-07 12:51:51,926 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 12:51:51,926 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582467150] [2021-08-07 12:51:51,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 12:51:51,926 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 12:51:51,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 12:51:51,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 12:51:51,959 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 12:51:51,959 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582467150] [2021-08-07 12:51:51,959 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582467150] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 12:51:51,959 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 12:51:51,959 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-07 12:51:51,959 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231831600] [2021-08-07 12:51:51,959 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-07 12:51:51,960 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 12:51:51,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-07 12:51:51,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-07 12:51:51,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:51:51,960 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 12:51:51,960 INFO L471 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) [2021-08-07 12:51:51,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:51:51,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:51:51,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:51:51,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:51:51,985 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-08-07 12:51:51,985 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-07 12:51:51,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 12:51:51,985 INFO L82 PathProgramCache]: Analyzing trace with hash 1505504130, now seen corresponding path program 1 times [2021-08-07 12:51:51,985 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 12:51:51,985 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140710224] [2021-08-07 12:51:51,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 12:51:51,986 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 12:51:51,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 12:51:52,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 12:51:52,009 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 12:51:52,009 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140710224] [2021-08-07 12:51:52,009 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2140710224] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 12:51:52,009 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 12:51:52,009 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-07 12:51:52,009 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147129796] [2021-08-07 12:51:52,010 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-07 12:51:52,010 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 12:51:52,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-07 12:51:52,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-07 12:51:52,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:51:52,010 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 12:51:52,010 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 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) [2021-08-07 12:51:52,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:51:52,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:51:52,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:51:52,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:51:52,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:51:52,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:51:52,028 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-08-07 12:51:52,028 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-07 12:51:52,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 12:51:52,029 INFO L82 PathProgramCache]: Analyzing trace with hash 236720990, now seen corresponding path program 1 times [2021-08-07 12:51:52,029 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 12:51:52,029 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307687566] [2021-08-07 12:51:52,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 12:51:52,029 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 12:51:52,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 12:51:52,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 12:51:52,081 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 12:51:52,081 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307687566] [2021-08-07 12:51:52,081 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [307687566] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 12:51:52,081 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 12:51:52,082 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-07 12:51:52,082 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30591794] [2021-08-07 12:51:52,082 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-07 12:51:52,082 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 12:51:52,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-07 12:51:52,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-07 12:51:52,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:51:52,083 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 12:51:52,083 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 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) [2021-08-07 12:51:52,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:51:52,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:51:52,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:51:52,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:51:52,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:51:52,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:51:52,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:51:52,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-07 12:51:52,171 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-08-07 12:51:52,172 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-07 12:51:52,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 12:51:52,172 INFO L82 PathProgramCache]: Analyzing trace with hash 1176381177, now seen corresponding path program 1 times [2021-08-07 12:51:52,172 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 12:51:52,172 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27514593] [2021-08-07 12:51:52,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 12:51:52,172 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 12:51:52,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 12:51:52,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 12:51:52,197 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 12:51:52,197 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27514593] [2021-08-07 12:51:52,197 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [27514593] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 12:51:52,197 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 12:51:52,197 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-07 12:51:52,197 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013265161] [2021-08-07 12:51:52,198 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-07 12:51:52,198 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 12:51:52,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-07 12:51:52,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-07 12:51:52,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:51:52,198 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 12:51:52,198 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 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) [2021-08-07 12:51:52,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:51:52,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:51:52,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:51:52,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-07 12:51:52,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:51:52,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:51:52,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:51:52,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:51:52,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 12:51:52,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:51:52,323 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-08-07 12:51:52,323 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-07 12:51:52,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 12:51:52,323 INFO L82 PathProgramCache]: Analyzing trace with hash 2105957429, now seen corresponding path program 1 times [2021-08-07 12:51:52,323 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 12:51:52,323 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077370257] [2021-08-07 12:51:52,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 12:51:52,324 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 12:51:52,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 12:51:52,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 12:51:52,354 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 12:51:52,354 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077370257] [2021-08-07 12:51:52,354 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1077370257] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 12:51:52,354 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 12:51:52,354 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-07 12:51:52,354 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952731928] [2021-08-07 12:51:52,355 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-07 12:51:52,355 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 12:51:52,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-07 12:51:52,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-07 12:51:52,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:51:52,355 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 12:51:52,355 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 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) [2021-08-07 12:51:52,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:51:52,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:51:52,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:51:52,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-07 12:51:52,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:51:52,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:51:52,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:51:52,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:51:52,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:51:52,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 12:51:52,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:51:52,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-07 12:51:52,417 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-08-07 12:51:52,417 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-07 12:51:52,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 12:51:52,418 INFO L82 PathProgramCache]: Analyzing trace with hash 1173805715, now seen corresponding path program 2 times [2021-08-07 12:51:52,418 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 12:51:52,418 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319115871] [2021-08-07 12:51:52,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 12:51:52,418 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 12:51:52,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 12:51:52,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 12:51:52,451 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 12:51:52,451 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319115871] [2021-08-07 12:51:52,451 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319115871] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 12:51:52,451 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 12:51:52,451 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-07 12:51:52,451 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186466510] [2021-08-07 12:51:52,452 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-07 12:51:52,452 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 12:51:52,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-07 12:51:52,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-07 12:51:52,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:51:52,452 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 12:51:52,452 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 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) [2021-08-07 12:51:52,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:51:52,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:51:52,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:51:52,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-07 12:51:52,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:51:52,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-07 12:51:52,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:51:52,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:51:52,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:51:52,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:51:52,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 12:51:52,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:51:52,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-07 12:51:52,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:51:52,515 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-08-07 12:51:52,515 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-07 12:51:52,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 12:51:52,515 INFO L82 PathProgramCache]: Analyzing trace with hash 644812042, now seen corresponding path program 1 times [2021-08-07 12:51:52,515 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 12:51:52,515 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016677055] [2021-08-07 12:51:52,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 12:51:52,516 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 12:51:52,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 12:51:52,547 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 12:51:52,547 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 12:51:52,547 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016677055] [2021-08-07 12:51:52,547 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2016677055] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 12:51:52,547 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 12:51:52,547 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-07 12:51:52,547 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381461746] [2021-08-07 12:51:52,548 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-07 12:51:52,548 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 12:51:52,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-07 12:51:52,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-07 12:51:52,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:51:52,548 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 12:51:52,549 INFO L471 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) [2021-08-07 12:51:52,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:51:52,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:51:52,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:51:52,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-07 12:51:52,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:51:52,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-07 12:51:52,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:51:52,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:51:52,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:51:52,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:51:52,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:51:52,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 12:51:52,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:51:52,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:51:52,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:51:52,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:51:52,687 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-08-07 12:51:52,687 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-07 12:51:52,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 12:51:52,687 INFO L82 PathProgramCache]: Analyzing trace with hash -1525761847, now seen corresponding path program 1 times [2021-08-07 12:51:52,687 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 12:51:52,687 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632594294] [2021-08-07 12:51:52,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 12:51:52,687 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 12:51:52,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 12:51:52,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 12:51:52,729 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 12:51:52,729 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632594294] [2021-08-07 12:51:52,729 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632594294] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 12:51:52,729 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 12:51:52,730 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-07 12:51:52,730 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808303199] [2021-08-07 12:51:52,730 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-07 12:51:52,730 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 12:51:52,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-07 12:51:52,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-07 12:51:52,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:51:52,730 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 12:51:52,731 INFO L471 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) [2021-08-07 12:51:52,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:51:52,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:51:52,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:51:52,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-07 12:51:52,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:51:52,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:51:52,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:51:52,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:51:52,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:51:52,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:51:52,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:51:52,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:51:52,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-07 12:51:52,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:51:52,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:51:52,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:51:52,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:51:52,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:51:52,927 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-08-07 12:51:52,927 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-07 12:51:52,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 12:51:52,927 INFO L82 PathProgramCache]: Analyzing trace with hash 806907880, now seen corresponding path program 1 times [2021-08-07 12:51:52,927 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 12:51:52,928 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122007142] [2021-08-07 12:51:52,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 12:51:52,928 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 12:51:52,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 12:51:52,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 12:51:52,956 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 12:51:52,956 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122007142] [2021-08-07 12:51:52,956 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122007142] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 12:51:52,956 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 12:51:52,956 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-07 12:51:52,957 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710774960] [2021-08-07 12:51:52,957 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-07 12:51:52,957 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 12:51:52,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-07 12:51:52,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-07 12:51:52,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:51:52,958 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 12:51:52,958 INFO L471 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) [2021-08-07 12:51:52,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:51:52,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:51:52,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:51:52,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-07 12:51:52,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:51:52,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:51:52,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:51:52,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:51:52,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:51:52,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:51:53,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 12:51:53,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:51:53,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:51:53,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-07 12:51:53,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 12:51:53,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:51:53,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:51:53,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:51:53,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:51:53,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 12:51:53,089 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-07 12:51:53,089 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-08-07 12:51:53,090 INFO L308 ceAbstractionStarter]: Result for error location thr2Thread1of1ForFork1 was SAFE (3/3) [2021-08-07 12:51:53,091 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-07 12:51:53,091 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-07 12:51:53,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.08 12:51:53 BasicIcfg [2021-08-07 12:51:53,093 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-07 12:51:53,094 INFO L168 Benchmark]: Toolchain (without parser) took 4359.87 ms. Allocated memory was 217.1 MB in the beginning and 276.8 MB in the end (delta: 59.8 MB). Free memory was 179.8 MB in the beginning and 218.6 MB in the end (delta: -38.8 MB). Peak memory consumption was 22.5 MB. Max. memory is 8.0 GB. [2021-08-07 12:51:53,094 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 217.1 MB. Free memory is still 198.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-07 12:51:53,094 INFO L168 Benchmark]: CACSL2BoogieTranslator took 400.18 ms. Allocated memory is still 217.1 MB. Free memory was 179.6 MB in the beginning and 191.5 MB in the end (delta: -11.9 MB). Peak memory consumption was 16.1 MB. Max. memory is 8.0 GB. [2021-08-07 12:51:53,094 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.62 ms. Allocated memory is still 217.1 MB. Free memory was 191.5 MB in the beginning and 189.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-07 12:51:53,094 INFO L168 Benchmark]: Boogie Preprocessor took 22.00 ms. Allocated memory is still 217.1 MB. Free memory was 189.4 MB in the beginning and 187.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-07 12:51:53,094 INFO L168 Benchmark]: RCFGBuilder took 424.70 ms. Allocated memory is still 217.1 MB. Free memory was 187.8 MB in the beginning and 161.0 MB in the end (delta: 26.7 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. [2021-08-07 12:51:53,095 INFO L168 Benchmark]: TraceAbstraction took 3474.32 ms. Allocated memory was 217.1 MB in the beginning and 276.8 MB in the end (delta: 59.8 MB). Free memory was 160.5 MB in the beginning and 218.6 MB in the end (delta: -58.1 MB). Peak memory consumption was 2.7 MB. Max. memory is 8.0 GB. [2021-08-07 12:51:53,095 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 217.1 MB. Free memory is still 198.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 400.18 ms. Allocated memory is still 217.1 MB. Free memory was 179.6 MB in the beginning and 191.5 MB in the end (delta: -11.9 MB). Peak memory consumption was 16.1 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 31.62 ms. Allocated memory is still 217.1 MB. Free memory was 191.5 MB in the beginning and 189.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 22.00 ms. Allocated memory is still 217.1 MB. Free memory was 189.4 MB in the beginning and 187.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 424.70 ms. Allocated memory is still 217.1 MB. Free memory was 187.8 MB in the beginning and 161.0 MB in the end (delta: 26.7 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 3474.32 ms. Allocated memory was 217.1 MB in the beginning and 276.8 MB in the end (delta: 59.8 MB). Free memory was 160.5 MB in the beginning and 218.6 MB in the end (delta: -58.1 MB). Peak memory consumption was 2.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4697, positive: 4548, positive conditional: 0, positive unconditional: 4548, negative: 149, negative conditional: 0, negative unconditional: 149, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4697, positive: 4548, positive conditional: 0, positive unconditional: 4548, negative: 149, negative conditional: 0, negative unconditional: 149, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 4697, positive: 4548, positive conditional: 0, positive unconditional: 4548, negative: 149, negative conditional: 0, negative unconditional: 149, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4697, positive: 4548, positive conditional: 0, positive unconditional: 4548, negative: 149, negative conditional: 0, negative unconditional: 149, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4697, positive: 4548, positive conditional: 0, positive unconditional: 4548, negative: 149, negative conditional: 0, negative unconditional: 149, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4697, positive: 4548, positive conditional: 0, positive unconditional: 4548, negative: 149, negative conditional: 0, negative unconditional: 149, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3713, positive: 3564, positive conditional: 0, positive unconditional: 3564, negative: 149, negative conditional: 0, negative unconditional: 149, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3713, positive: 3563, positive conditional: 0, positive unconditional: 3563, negative: 150, negative conditional: 0, negative unconditional: 150, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 150, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 149, negative conditional: 0, negative unconditional: 149, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 200, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 199, negative conditional: 0, negative unconditional: 199, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4697, positive: 984, positive conditional: 0, positive unconditional: 984, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 3713, unknown conditional: 0, unknown unconditional: 3713] , Statistics on independence cache: Total cache size (in pairs): 3713, Positive cache size: 3564, Positive conditional cache size: 0, Positive unconditional cache size: 3564, Negative cache size: 149, Negative conditional cache size: 0, Negative unconditional cache size: 149, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 314, Number of persistent set computation: 446, Number of trivial persistent sets: 68, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4697, positive: 4548, positive conditional: 0, positive unconditional: 4548, negative: 149, negative conditional: 0, negative unconditional: 149, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4697, positive: 4548, positive conditional: 0, positive unconditional: 4548, negative: 149, negative conditional: 0, negative unconditional: 149, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4697, positive: 4548, positive conditional: 0, positive unconditional: 4548, negative: 149, negative conditional: 0, negative unconditional: 149, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 4697, positive: 4548, positive conditional: 0, positive unconditional: 4548, negative: 149, negative conditional: 0, negative unconditional: 149, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4697, positive: 4548, positive conditional: 0, positive unconditional: 4548, negative: 149, negative conditional: 0, negative unconditional: 149, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4697, positive: 4548, positive conditional: 0, positive unconditional: 4548, negative: 149, negative conditional: 0, negative unconditional: 149, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4697, positive: 4548, positive conditional: 0, positive unconditional: 4548, negative: 149, negative conditional: 0, negative unconditional: 149, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3713, positive: 3564, positive conditional: 0, positive unconditional: 3564, negative: 149, negative conditional: 0, negative unconditional: 149, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3713, positive: 3563, positive conditional: 0, positive unconditional: 3563, negative: 150, negative conditional: 0, negative unconditional: 150, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 150, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 149, negative conditional: 0, negative unconditional: 149, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 200, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 199, negative conditional: 0, negative unconditional: 199, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4697, positive: 984, positive conditional: 0, positive unconditional: 984, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 3713, unknown conditional: 0, unknown unconditional: 3713] , Statistics on independence cache: Total cache size (in pairs): 3713, Positive cache size: 3564, Positive conditional cache size: 0, Positive unconditional cache size: 3564, Negative cache size: 149, Negative conditional cache size: 0, Negative unconditional cache size: 149, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2532, positive: 2515, positive conditional: 0, positive unconditional: 2515, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2532, positive: 2515, positive conditional: 0, positive unconditional: 2515, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2532, positive: 2515, positive conditional: 0, positive unconditional: 2515, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2532, positive: 2515, positive conditional: 0, positive unconditional: 2515, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2532, positive: 2515, positive conditional: 0, positive unconditional: 2515, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2532, positive: 2515, positive conditional: 0, positive unconditional: 2515, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2091, positive: 2074, positive conditional: 0, positive unconditional: 2074, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2091, positive: 2074, positive conditional: 0, positive unconditional: 2074, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 17, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 43, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 43, negative conditional: 0, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2532, positive: 441, positive conditional: 0, positive unconditional: 441, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2091, unknown conditional: 0, unknown unconditional: 2091] , Statistics on independence cache: Total cache size (in pairs): 2091, Positive cache size: 2074, Positive conditional cache size: 0, Positive unconditional cache size: 2074, Negative cache size: 17, Negative conditional cache size: 0, Negative unconditional cache size: 17, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 60, Number of persistent set computation: 180, Number of trivial persistent sets: 180, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2532, positive: 2515, positive conditional: 0, positive unconditional: 2515, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2532, positive: 2515, positive conditional: 0, positive unconditional: 2515, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2532, positive: 2515, positive conditional: 0, positive unconditional: 2515, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2532, positive: 2515, positive conditional: 0, positive unconditional: 2515, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2532, positive: 2515, positive conditional: 0, positive unconditional: 2515, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2532, positive: 2515, positive conditional: 0, positive unconditional: 2515, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2532, positive: 2515, positive conditional: 0, positive unconditional: 2515, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2091, positive: 2074, positive conditional: 0, positive unconditional: 2074, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2091, positive: 2074, positive conditional: 0, positive unconditional: 2074, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 17, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 43, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 43, negative conditional: 0, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2532, positive: 441, positive conditional: 0, positive unconditional: 441, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2091, unknown conditional: 0, unknown unconditional: 2091] , Statistics on independence cache: Total cache size (in pairs): 2091, Positive cache size: 2074, Positive conditional cache size: 0, Positive unconditional cache size: 2074, Negative cache size: 17, Negative conditional cache size: 0, Negative unconditional cache size: 17, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5254, positive: 5100, positive conditional: 0, positive unconditional: 5100, negative: 154, negative conditional: 0, negative unconditional: 154, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5254, positive: 5100, positive conditional: 0, positive unconditional: 5100, negative: 154, negative conditional: 0, negative unconditional: 154, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 5254, positive: 5100, positive conditional: 0, positive unconditional: 5100, negative: 154, negative conditional: 0, negative unconditional: 154, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5254, positive: 5100, positive conditional: 0, positive unconditional: 5100, negative: 154, negative conditional: 0, negative unconditional: 154, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 5254, positive: 5100, positive conditional: 0, positive unconditional: 5100, negative: 154, negative conditional: 0, negative unconditional: 154, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5254, positive: 5100, positive conditional: 0, positive unconditional: 5100, negative: 154, negative conditional: 0, negative unconditional: 154, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3881, positive: 3727, positive conditional: 0, positive unconditional: 3727, negative: 154, negative conditional: 0, negative unconditional: 154, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3881, positive: 3725, positive conditional: 0, positive unconditional: 3725, negative: 156, negative conditional: 0, negative unconditional: 156, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 156, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 154, negative conditional: 0, negative unconditional: 154, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 141, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 140, negative conditional: 0, negative unconditional: 140, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5254, positive: 1373, positive conditional: 0, positive unconditional: 1373, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 3881, unknown conditional: 0, unknown unconditional: 3881] , Statistics on independence cache: Total cache size (in pairs): 3881, Positive cache size: 3727, Positive conditional cache size: 0, Positive unconditional cache size: 3727, Negative cache size: 154, Negative conditional cache size: 0, Negative unconditional cache size: 154, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 186, Number of persistent set computation: 566, Number of trivial persistent sets: 131, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5254, positive: 5100, positive conditional: 0, positive unconditional: 5100, negative: 154, negative conditional: 0, negative unconditional: 154, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5254, positive: 5100, positive conditional: 0, positive unconditional: 5100, negative: 154, negative conditional: 0, negative unconditional: 154, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5254, positive: 5100, positive conditional: 0, positive unconditional: 5100, negative: 154, negative conditional: 0, negative unconditional: 154, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 5254, positive: 5100, positive conditional: 0, positive unconditional: 5100, negative: 154, negative conditional: 0, negative unconditional: 154, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5254, positive: 5100, positive conditional: 0, positive unconditional: 5100, negative: 154, negative conditional: 0, negative unconditional: 154, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 5254, positive: 5100, positive conditional: 0, positive unconditional: 5100, negative: 154, negative conditional: 0, negative unconditional: 154, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5254, positive: 5100, positive conditional: 0, positive unconditional: 5100, negative: 154, negative conditional: 0, negative unconditional: 154, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3881, positive: 3727, positive conditional: 0, positive unconditional: 3727, negative: 154, negative conditional: 0, negative unconditional: 154, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3881, positive: 3725, positive conditional: 0, positive unconditional: 3725, negative: 156, negative conditional: 0, negative unconditional: 156, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 156, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 154, negative conditional: 0, negative unconditional: 154, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 141, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 140, negative conditional: 0, negative unconditional: 140, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5254, positive: 1373, positive conditional: 0, positive unconditional: 1373, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 3881, unknown conditional: 0, unknown unconditional: 3881] , Statistics on independence cache: Total cache size (in pairs): 3881, Positive cache size: 3727, Positive conditional cache size: 0, Positive unconditional cache size: 3727, Negative cache size: 154, Negative conditional cache size: 0, Negative unconditional cache size: 154, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 745]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 802]: 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: thr1Thread1of1ForFork0 with 1 thread instances CFG has 5 procedures, 150 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1989.0ms, OverallIterations: 10, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 17.4ms, PartialOrderReductionTime: 1067.8ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 45, 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: 28.9ms SsaConstructionTime, 136.6ms SatisfiabilityAnalysisTime, 497.1ms InterpolantComputationTime, 474 NumberOfCodeBlocks, 474 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 464 ConstructedInterpolants, 0 QuantifiedInterpolants, 624 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 5/5 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 150 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 85.0ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.5ms, PartialOrderReductionTime: 69.6ms, 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. OverallTime: 1235.4ms, OverallIterations: 10, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.3ms, PartialOrderReductionTime: 851.6ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 51, 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: 10.9ms SsaConstructionTime, 34.6ms SatisfiabilityAnalysisTime, 242.0ms InterpolantComputationTime, 530 NumberOfCodeBlocks, 530 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 520 ConstructedInterpolants, 0 QuantifiedInterpolants, 720 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 1/1 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! [2021-08-07 12:51:53,128 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Ended with exit code 0 [2021-08-07 12:51:53,343 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Forceful destruction successful, exit code 0 [2021-08-07 12:51:53,542 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-08-07 12:51:53,745 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...