/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-FA-NoLbe-Delay.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/queue_ok.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-87fd7473a0bda1db0ad7f77f2116346063730f21-87fd747 [2021-08-21 16:37:18,614 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-21 16:37:18,617 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-21 16:37:18,648 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-21 16:37:18,650 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-21 16:37:18,652 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-21 16:37:18,655 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-21 16:37:18,660 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-21 16:37:18,662 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-21 16:37:18,666 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-21 16:37:18,667 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-21 16:37:18,668 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-21 16:37:18,668 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-21 16:37:18,669 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-21 16:37:18,672 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-21 16:37:18,675 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-21 16:37:18,675 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-21 16:37:18,676 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-21 16:37:18,677 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-21 16:37:18,678 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-21 16:37:18,679 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-21 16:37:18,682 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-21 16:37:18,683 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-21 16:37:18,685 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-21 16:37:18,687 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-08-21 16:37:18,692 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-21 16:37:18,692 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-21 16:37:18,693 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-21 16:37:18,697 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-Delay.epf [2021-08-21 16:37:18,724 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-21 16:37:18,724 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-21 16:37:18,727 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-21 16:37:18,727 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-21 16:37:18,728 INFO L138 SettingsManager]: * Use SBE=true [2021-08-21 16:37:18,728 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-21 16:37:18,728 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-21 16:37:18,728 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-21 16:37:18,728 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-21 16:37:18,728 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-21 16:37:18,729 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-21 16:37:18,729 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-21 16:37:18,729 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-21 16:37:18,729 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-21 16:37:18,729 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-21 16:37:18,729 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-21 16:37:18,729 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-21 16:37:18,729 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-21 16:37:18,730 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-21 16:37:18,730 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-21 16:37:18,730 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-21 16:37:18,730 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-21 16:37:18,730 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-21 16:37:18,730 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-21 16:37:18,730 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-21 16:37:18,730 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-21 16:37:18,730 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-21 16:37:18,730 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-21 16:37:18,731 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-21 16:37:18,731 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-08-21 16:37:18,731 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-21 16:37:19,010 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-21 16:37:19,022 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-21 16:37:19,024 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-21 16:37:19,025 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-21 16:37:19,025 INFO L275 PluginConnector]: CDTParser initialized [2021-08-21 16:37:19,026 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/queue_ok.i [2021-08-21 16:37:19,082 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c44f906ca/9423814b70bb40829b4da709bb82e8b0/FLAG5ce5d1288 [2021-08-21 16:37:19,517 INFO L306 CDTParser]: Found 1 translation units. [2021-08-21 16:37:19,517 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_ok.i [2021-08-21 16:37:19,535 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c44f906ca/9423814b70bb40829b4da709bb82e8b0/FLAG5ce5d1288 [2021-08-21 16:37:19,551 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c44f906ca/9423814b70bb40829b4da709bb82e8b0 [2021-08-21 16:37:19,557 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-21 16:37:19,558 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-21 16:37:19,559 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-21 16:37:19,559 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-21 16:37:19,561 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-21 16:37:19,562 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 04:37:19" (1/1) ... [2021-08-21 16:37:19,562 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fb02fb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:37:19, skipping insertion in model container [2021-08-21 16:37:19,563 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 04:37:19" (1/1) ... [2021-08-21 16:37:19,567 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-21 16:37:19,603 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-21 16:37:19,893 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_ok.i[43266,43279] [2021-08-21 16:37:19,897 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_ok.i[43543,43556] [2021-08-21 16:37:19,901 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-21 16:37:19,907 INFO L203 MainTranslator]: Completed pre-run [2021-08-21 16:37:19,933 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_ok.i[43266,43279] [2021-08-21 16:37:19,935 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_ok.i[43543,43556] [2021-08-21 16:37:19,936 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-21 16:37:19,983 INFO L208 MainTranslator]: Completed translation [2021-08-21 16:37:19,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:37:19 WrapperNode [2021-08-21 16:37:19,983 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-21 16:37:19,984 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-21 16:37:19,984 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-21 16:37:19,984 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-21 16:37:19,988 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:37:19" (1/1) ... [2021-08-21 16:37:20,014 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:37:19" (1/1) ... [2021-08-21 16:37:20,052 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-21 16:37:20,053 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-21 16:37:20,053 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-21 16:37:20,053 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-21 16:37:20,059 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:37:19" (1/1) ... [2021-08-21 16:37:20,059 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:37:19" (1/1) ... [2021-08-21 16:37:20,072 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:37:19" (1/1) ... [2021-08-21 16:37:20,072 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:37:19" (1/1) ... [2021-08-21 16:37:20,078 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:37:19" (1/1) ... [2021-08-21 16:37:20,080 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:37:19" (1/1) ... [2021-08-21 16:37:20,081 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:37:19" (1/1) ... [2021-08-21 16:37:20,084 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-21 16:37:20,084 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-21 16:37:20,084 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-21 16:37:20,089 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-21 16:37:20,108 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:37:19" (1/1) ... [2021-08-21 16:37:20,112 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-21 16:37:20,116 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-21 16:37:20,132 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) [2021-08-21 16:37:20,149 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 [2021-08-21 16:37:20,164 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-08-21 16:37:20,165 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-08-21 16:37:20,165 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-08-21 16:37:20,165 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-08-21 16:37:20,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-21 16:37:20,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-21 16:37:20,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-21 16:37:20,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-21 16:37:20,165 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-08-21 16:37:20,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-21 16:37:20,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-21 16:37:20,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-21 16:37:20,167 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-21 16:37:20,600 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-21 16:37:20,601 INFO L299 CfgBuilder]: Removed 16 assume(true) statements. [2021-08-21 16:37:20,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 04:37:20 BoogieIcfgContainer [2021-08-21 16:37:20,602 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-21 16:37:20,603 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-21 16:37:20,603 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-21 16:37:20,605 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-21 16:37:20,605 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 04:37:19" (1/3) ... [2021-08-21 16:37:20,605 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@235a2e6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 04:37:20, skipping insertion in model container [2021-08-21 16:37:20,606 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:37:19" (2/3) ... [2021-08-21 16:37:20,606 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@235a2e6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 04:37:20, skipping insertion in model container [2021-08-21 16:37:20,606 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 04:37:20" (3/3) ... [2021-08-21 16:37:20,606 INFO L111 eAbstractionObserver]: Analyzing ICFG queue_ok.i [2021-08-21 16:37:20,609 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-21 16:37:20,610 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-21 16:37:20,610 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-08-21 16:37:20,610 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-21 16:37:20,640 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,640 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,640 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,641 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,641 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,641 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,641 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,641 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,641 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,641 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,641 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,641 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,642 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,642 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,642 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,642 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,642 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,642 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,643 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,643 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,643 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,643 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,643 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,643 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,643 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,643 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,643 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,644 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,644 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,644 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,644 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,644 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,644 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,644 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,645 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,645 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,645 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,645 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,645 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,645 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,645 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,645 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,646 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,646 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,646 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,646 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,646 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,646 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,646 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,646 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,647 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,647 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,647 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,647 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,647 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,647 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,647 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,647 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,647 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,648 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,648 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,648 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,648 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,648 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,648 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,648 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,648 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,649 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,649 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,649 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,649 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,649 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,649 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,649 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,649 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,650 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,650 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,650 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,650 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,650 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,650 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,650 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,651 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,651 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,651 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,651 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,651 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,651 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,651 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,651 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,652 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,652 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,652 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,652 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,652 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,652 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,652 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,653 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,653 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,653 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,653 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,653 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,653 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,653 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,653 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,654 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,654 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,654 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,654 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,654 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,654 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,654 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,654 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,654 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,655 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,655 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,655 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,655 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,655 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,655 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,655 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,655 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,655 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,656 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,656 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,656 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,656 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,656 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,656 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,656 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,656 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,656 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,656 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,657 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,657 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,657 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,657 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,657 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,657 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,657 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,657 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,657 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,658 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,658 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,658 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,658 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,658 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,658 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,658 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,658 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,658 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,659 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,659 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,659 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,659 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,659 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,659 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,659 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,659 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,660 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,660 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,660 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,660 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,660 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,660 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,660 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,660 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,660 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,661 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,661 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,661 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,661 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,662 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,662 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,662 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,662 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,662 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,662 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,662 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,662 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,663 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,663 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,663 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,663 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,663 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,663 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,663 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,664 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,664 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,664 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,664 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,664 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,664 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,664 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,664 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,665 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,665 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,665 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,665 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,665 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,665 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,666 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,666 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,666 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,666 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,666 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,666 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,666 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,666 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,666 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,666 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,667 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,667 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,667 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,667 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,667 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,667 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,667 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,667 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,667 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,668 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,668 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,668 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,668 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,668 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,668 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,668 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,668 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,668 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,669 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,669 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,669 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,669 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,669 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,669 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,669 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,669 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,669 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,670 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,670 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,670 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,670 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,670 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,670 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,670 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,670 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,671 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,671 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,671 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,671 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,671 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,671 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,671 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,672 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,672 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,672 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,672 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,672 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,672 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,672 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,672 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,673 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,673 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,673 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,673 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,673 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,673 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,673 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,673 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,673 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,674 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,674 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,674 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,674 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,674 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,674 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,674 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,674 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,675 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,675 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,675 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,675 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,675 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,675 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,675 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,675 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,675 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,675 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,676 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,676 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,676 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,676 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,676 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,676 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,676 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,676 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,676 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,676 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,677 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,677 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,677 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,677 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,677 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,677 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,677 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,677 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,677 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,677 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,678 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,678 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,678 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,678 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,678 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,678 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,678 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,678 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,678 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,679 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,679 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,679 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,679 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,679 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,679 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,679 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,679 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,679 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,680 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,680 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,680 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,680 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,680 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,680 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,680 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,680 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,681 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,681 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,681 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,681 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,681 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,681 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,681 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,681 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,682 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,682 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,682 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,682 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,682 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,682 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,682 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,682 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,682 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,683 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,683 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,683 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,683 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,683 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,683 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,683 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,683 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,684 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,684 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,684 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,684 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,684 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,684 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,685 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,685 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,685 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,685 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,685 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,685 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,685 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,686 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,686 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,686 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,686 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,686 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,686 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,686 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,687 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,687 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,687 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,687 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,687 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,687 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,687 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,687 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,688 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,688 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,688 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,688 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,688 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,689 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,689 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,689 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,689 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,689 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,689 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,689 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,690 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,690 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,690 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,690 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,690 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,690 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,690 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,690 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,691 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,691 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,691 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,691 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,691 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,691 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,691 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,692 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,692 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,692 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,692 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,692 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,692 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,692 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,692 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,693 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,693 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,715 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,715 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,715 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,715 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,715 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,716 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,716 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,716 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,716 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,716 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,716 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,716 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,716 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,716 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,716 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,717 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,717 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,717 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,717 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,717 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,717 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,717 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,717 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,720 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,720 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,720 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,720 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,721 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,721 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,721 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,721 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,721 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,721 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,721 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,721 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,721 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,721 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,722 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,722 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,722 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,722 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,722 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,722 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,722 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,722 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,722 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,722 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,723 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,723 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,723 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,723 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,723 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,723 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,723 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:37:20,727 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-08-21 16:37:20,753 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-21 16:37:20,757 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=FINITE_AUTOMATA, 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 [2021-08-21 16:37:20,757 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-08-21 16:37:21,762 INFO L276 IsEmpty]: Start isEmpty. Operand has 13218 states, 13006 states have (on average 1.362140550515147) internal successors, (17716), 13217 states have internal predecessors, (17716), 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) [2021-08-21 16:37:21,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-08-21 16:37:21,769 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 16:37:21,769 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-21 16:37:21,770 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-08-21 16:37:21,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 16:37:21,774 INFO L82 PathProgramCache]: Analyzing trace with hash -470167512, now seen corresponding path program 1 times [2021-08-21 16:37:21,780 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 16:37:21,781 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109193523] [2021-08-21 16:37:21,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 16:37:21,782 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 16:37:21,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 16:37:22,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 16:37:22,026 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 16:37:22,026 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109193523] [2021-08-21 16:37:22,027 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1109193523] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 16:37:22,027 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 16:37:22,027 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-21 16:37:22,028 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538376593] [2021-08-21 16:37:22,031 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-21 16:37:22,031 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 16:37:22,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-21 16:37:22,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-21 16:37:22,069 INFO L87 Difference]: Start difference. First operand has 13218 states, 13006 states have (on average 1.362140550515147) internal successors, (17716), 13217 states have internal predecessors, (17716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 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) [2021-08-21 16:37:22,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 16:37:22,174 INFO L93 Difference]: Finished difference Result 13019 states and 17135 transitions. [2021-08-21 16:37:22,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 16:37:22,175 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 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) Word has length 48 [2021-08-21 16:37:22,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 16:37:22,231 INFO L225 Difference]: With dead ends: 13019 [2021-08-21 16:37:22,231 INFO L226 Difference]: Without dead ends: 12373 [2021-08-21 16:37:22,232 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-21 16:37:22,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12373 states. [2021-08-21 16:37:22,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12373 to 12373. [2021-08-21 16:37:22,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12373 states, 12369 states have (on average 1.3313121513461073) internal successors, (16467), 12372 states have internal predecessors, (16467), 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) [2021-08-21 16:37:22,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12373 states to 12373 states and 16467 transitions. [2021-08-21 16:37:22,796 INFO L78 Accepts]: Start accepts. Automaton has 12373 states and 16467 transitions. Word has length 48 [2021-08-21 16:37:22,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 16:37:22,798 INFO L470 AbstractCegarLoop]: Abstraction has 12373 states and 16467 transitions. [2021-08-21 16:37:22,798 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 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) [2021-08-21 16:37:22,800 INFO L276 IsEmpty]: Start isEmpty. Operand 12373 states and 16467 transitions. [2021-08-21 16:37:22,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-08-21 16:37:22,824 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 16:37:22,824 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-21 16:37:22,824 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-21 16:37:22,825 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-08-21 16:37:22,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 16:37:22,828 INFO L82 PathProgramCache]: Analyzing trace with hash 611247246, now seen corresponding path program 1 times [2021-08-21 16:37:22,828 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 16:37:22,829 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761972956] [2021-08-21 16:37:22,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 16:37:22,829 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 16:37:22,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 16:37:23,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 16:37:23,246 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 16:37:23,246 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761972956] [2021-08-21 16:37:23,246 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761972956] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 16:37:23,246 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 16:37:23,246 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-08-21 16:37:23,247 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298691769] [2021-08-21 16:37:23,249 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-08-21 16:37:23,249 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 16:37:23,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-08-21 16:37:23,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-08-21 16:37:23,252 INFO L87 Difference]: Start difference. First operand 12373 states and 16467 transitions. Second operand has 12 states, 12 states have (on average 8.833333333333334) internal successors, (106), 12 states have internal predecessors, (106), 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) [2021-08-21 16:37:23,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 16:37:23,650 INFO L93 Difference]: Finished difference Result 12370 states and 16463 transitions. [2021-08-21 16:37:23,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-21 16:37:23,651 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.833333333333334) internal successors, (106), 12 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2021-08-21 16:37:23,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 16:37:23,716 INFO L225 Difference]: With dead ends: 12370 [2021-08-21 16:37:23,717 INFO L226 Difference]: Without dead ends: 12370 [2021-08-21 16:37:23,717 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 255.5ms TimeCoverageRelationStatistics Valid=135, Invalid=285, Unknown=0, NotChecked=0, Total=420 [2021-08-21 16:37:23,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12370 states. [2021-08-21 16:37:23,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12370 to 12370. [2021-08-21 16:37:23,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12370 states, 12366 states have (on average 1.331311661005984) internal successors, (16463), 12369 states have internal predecessors, (16463), 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) [2021-08-21 16:37:23,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12370 states to 12370 states and 16463 transitions. [2021-08-21 16:37:23,980 INFO L78 Accepts]: Start accepts. Automaton has 12370 states and 16463 transitions. Word has length 106 [2021-08-21 16:37:23,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 16:37:23,980 INFO L470 AbstractCegarLoop]: Abstraction has 12370 states and 16463 transitions. [2021-08-21 16:37:23,980 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.833333333333334) internal successors, (106), 12 states have internal predecessors, (106), 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) [2021-08-21 16:37:23,981 INFO L276 IsEmpty]: Start isEmpty. Operand 12370 states and 16463 transitions. [2021-08-21 16:37:23,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-08-21 16:37:23,991 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 16:37:23,992 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-21 16:37:23,992 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-21 16:37:23,992 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-08-21 16:37:23,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 16:37:23,993 INFO L82 PathProgramCache]: Analyzing trace with hash -1622917232, now seen corresponding path program 1 times [2021-08-21 16:37:23,993 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 16:37:23,993 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980689706] [2021-08-21 16:37:23,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 16:37:23,993 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 16:37:24,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 16:37:24,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 16:37:24,042 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 16:37:24,043 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980689706] [2021-08-21 16:37:24,043 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [980689706] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 16:37:24,043 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 16:37:24,043 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-21 16:37:24,043 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022402165] [2021-08-21 16:37:24,043 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-21 16:37:24,043 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 16:37:24,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-21 16:37:24,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-21 16:37:24,044 INFO L87 Difference]: Start difference. First operand 12370 states and 16463 transitions. Second operand has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 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) [2021-08-21 16:37:24,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 16:37:24,054 INFO L93 Difference]: Finished difference Result 1834 states and 2422 transitions. [2021-08-21 16:37:24,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 16:37:24,054 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 107 [2021-08-21 16:37:24,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 16:37:24,058 INFO L225 Difference]: With dead ends: 1834 [2021-08-21 16:37:24,058 INFO L226 Difference]: Without dead ends: 1810 [2021-08-21 16:37:24,058 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-21 16:37:24,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1810 states. [2021-08-21 16:37:24,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1810 to 1810. [2021-08-21 16:37:24,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1810 states, 1806 states have (on average 1.3233665559246954) internal successors, (2390), 1809 states have internal predecessors, (2390), 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) [2021-08-21 16:37:24,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1810 states to 1810 states and 2390 transitions. [2021-08-21 16:37:24,079 INFO L78 Accepts]: Start accepts. Automaton has 1810 states and 2390 transitions. Word has length 107 [2021-08-21 16:37:24,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 16:37:24,079 INFO L470 AbstractCegarLoop]: Abstraction has 1810 states and 2390 transitions. [2021-08-21 16:37:24,079 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 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) [2021-08-21 16:37:24,079 INFO L276 IsEmpty]: Start isEmpty. Operand 1810 states and 2390 transitions. [2021-08-21 16:37:24,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-08-21 16:37:24,082 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 16:37:24,082 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-21 16:37:24,082 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-21 16:37:24,082 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-08-21 16:37:24,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 16:37:24,083 INFO L82 PathProgramCache]: Analyzing trace with hash -1197807463, now seen corresponding path program 1 times [2021-08-21 16:37:24,083 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 16:37:24,083 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793447981] [2021-08-21 16:37:24,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 16:37:24,083 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 16:37:24,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 16:37:24,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 16:37:24,119 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 16:37:24,120 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793447981] [2021-08-21 16:37:24,120 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [793447981] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 16:37:24,120 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 16:37:24,120 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-21 16:37:24,120 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920025327] [2021-08-21 16:37:24,120 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-21 16:37:24,120 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 16:37:24,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-21 16:37:24,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-21 16:37:24,121 INFO L87 Difference]: Start difference. First operand 1810 states and 2390 transitions. Second operand has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 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) [2021-08-21 16:37:24,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 16:37:24,138 INFO L93 Difference]: Finished difference Result 2558 states and 3349 transitions. [2021-08-21 16:37:24,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 16:37:24,138 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2021-08-21 16:37:24,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 16:37:24,144 INFO L225 Difference]: With dead ends: 2558 [2021-08-21 16:37:24,144 INFO L226 Difference]: Without dead ends: 2558 [2021-08-21 16:37:24,145 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-21 16:37:24,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2558 states. [2021-08-21 16:37:24,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2558 to 1822. [2021-08-21 16:37:24,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1822 states, 1818 states have (on average 1.3212321232123212) internal successors, (2402), 1821 states have internal predecessors, (2402), 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) [2021-08-21 16:37:24,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1822 states to 1822 states and 2402 transitions. [2021-08-21 16:37:24,201 INFO L78 Accepts]: Start accepts. Automaton has 1822 states and 2402 transitions. Word has length 117 [2021-08-21 16:37:24,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 16:37:24,202 INFO L470 AbstractCegarLoop]: Abstraction has 1822 states and 2402 transitions. [2021-08-21 16:37:24,202 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 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) [2021-08-21 16:37:24,202 INFO L276 IsEmpty]: Start isEmpty. Operand 1822 states and 2402 transitions. [2021-08-21 16:37:24,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2021-08-21 16:37:24,205 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 16:37:24,205 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-21 16:37:24,205 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-21 16:37:24,205 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-08-21 16:37:24,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 16:37:24,205 INFO L82 PathProgramCache]: Analyzing trace with hash -1074054199, now seen corresponding path program 1 times [2021-08-21 16:37:24,206 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 16:37:24,206 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591808412] [2021-08-21 16:37:24,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 16:37:24,206 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 16:37:24,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 16:37:24,256 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 16:37:24,256 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 16:37:24,256 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591808412] [2021-08-21 16:37:24,256 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591808412] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 16:37:24,256 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1126054649] [2021-08-21 16:37:24,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 16:37:24,256 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 16:37:24,257 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-21 16:37:24,258 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-21 16:37:24,293 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-08-21 16:37:24,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 16:37:24,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-21 16:37:24,388 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-21 16:37:24,544 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-08-21 16:37:24,748 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 16:37:24,749 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1126054649] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 16:37:24,749 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-21 16:37:24,749 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-08-21 16:37:24,749 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918816984] [2021-08-21 16:37:24,749 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-21 16:37:24,749 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 16:37:24,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-21 16:37:24,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-08-21 16:37:24,750 INFO L87 Difference]: Start difference. First operand 1822 states and 2402 transitions. Second operand has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 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) [2021-08-21 16:37:24,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 16:37:24,763 INFO L93 Difference]: Finished difference Result 1246 states and 1471 transitions. [2021-08-21 16:37:24,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 16:37:24,764 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 146 [2021-08-21 16:37:24,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 16:37:24,767 INFO L225 Difference]: With dead ends: 1246 [2021-08-21 16:37:24,767 INFO L226 Difference]: Without dead ends: 1214 [2021-08-21 16:37:24,767 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 11.3ms TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-08-21 16:37:24,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1214 states. [2021-08-21 16:37:24,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1214 to 1214. [2021-08-21 16:37:24,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1214 states, 1210 states have (on average 1.1892561983471075) internal successors, (1439), 1213 states have internal predecessors, (1439), 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) [2021-08-21 16:37:24,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1214 states to 1214 states and 1439 transitions. [2021-08-21 16:37:24,782 INFO L78 Accepts]: Start accepts. Automaton has 1214 states and 1439 transitions. Word has length 146 [2021-08-21 16:37:24,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 16:37:24,782 INFO L470 AbstractCegarLoop]: Abstraction has 1214 states and 1439 transitions. [2021-08-21 16:37:24,782 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 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) [2021-08-21 16:37:24,782 INFO L276 IsEmpty]: Start isEmpty. Operand 1214 states and 1439 transitions. [2021-08-21 16:37:24,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-08-21 16:37:24,784 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 16:37:24,784 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-21 16:37:24,816 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-08-21 16:37:25,002 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 16:37:25,003 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-08-21 16:37:25,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 16:37:25,003 INFO L82 PathProgramCache]: Analyzing trace with hash 100272267, now seen corresponding path program 1 times [2021-08-21 16:37:25,003 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 16:37:25,003 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433547771] [2021-08-21 16:37:25,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 16:37:25,003 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 16:37:25,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 16:37:25,049 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 16:37:25,049 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 16:37:25,049 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433547771] [2021-08-21 16:37:25,050 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [433547771] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 16:37:25,050 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [847684131] [2021-08-21 16:37:25,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 16:37:25,050 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 16:37:25,050 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-21 16:37:25,051 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-21 16:37:25,052 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-08-21 16:37:25,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 16:37:25,203 INFO L263 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-21 16:37:25,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-21 16:37:25,520 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 16:37:25,520 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [847684131] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 16:37:25,520 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-21 16:37:25,521 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-08-21 16:37:25,521 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754484606] [2021-08-21 16:37:25,521 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-21 16:37:25,521 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 16:37:25,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-21 16:37:25,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-08-21 16:37:25,522 INFO L87 Difference]: Start difference. First operand 1214 states and 1439 transitions. Second operand has 7 states, 7 states have (on average 25.714285714285715) internal successors, (180), 7 states have internal predecessors, (180), 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) [2021-08-21 16:37:25,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 16:37:25,556 INFO L93 Difference]: Finished difference Result 2176 states and 2663 transitions. [2021-08-21 16:37:25,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-21 16:37:25,557 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.714285714285715) internal successors, (180), 7 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 147 [2021-08-21 16:37:25,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 16:37:25,560 INFO L225 Difference]: With dead ends: 2176 [2021-08-21 16:37:25,560 INFO L226 Difference]: Without dead ends: 2176 [2021-08-21 16:37:25,561 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 23.1ms TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-08-21 16:37:25,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2176 states. [2021-08-21 16:37:25,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2176 to 1662. [2021-08-21 16:37:25,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1662 states, 1658 states have (on average 1.2171290711700844) internal successors, (2018), 1661 states have internal predecessors, (2018), 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) [2021-08-21 16:37:25,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1662 states to 1662 states and 2018 transitions. [2021-08-21 16:37:25,586 INFO L78 Accepts]: Start accepts. Automaton has 1662 states and 2018 transitions. Word has length 147 [2021-08-21 16:37:25,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 16:37:25,586 INFO L470 AbstractCegarLoop]: Abstraction has 1662 states and 2018 transitions. [2021-08-21 16:37:25,586 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.714285714285715) internal successors, (180), 7 states have internal predecessors, (180), 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) [2021-08-21 16:37:25,587 INFO L276 IsEmpty]: Start isEmpty. Operand 1662 states and 2018 transitions. [2021-08-21 16:37:25,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2021-08-21 16:37:25,590 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 16:37:25,590 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-21 16:37:25,630 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-08-21 16:37:25,804 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-08-21 16:37:25,804 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-08-21 16:37:25,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 16:37:25,805 INFO L82 PathProgramCache]: Analyzing trace with hash -96883499, now seen corresponding path program 2 times [2021-08-21 16:37:25,805 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 16:37:25,805 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300770392] [2021-08-21 16:37:25,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 16:37:25,805 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 16:37:25,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 16:37:25,875 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 16:37:25,876 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 16:37:25,876 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300770392] [2021-08-21 16:37:25,876 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [300770392] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 16:37:25,876 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1176445200] [2021-08-21 16:37:25,876 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-21 16:37:25,876 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 16:37:25,876 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-21 16:37:25,897 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-21 16:37:25,953 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-08-21 16:37:26,185 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-21 16:37:26,185 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-21 16:37:26,188 INFO L263 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-21 16:37:26,190 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-21 16:37:26,589 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 16:37:26,589 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1176445200] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 16:37:26,589 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-21 16:37:26,589 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-08-21 16:37:26,589 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162747811] [2021-08-21 16:37:26,590 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-08-21 16:37:26,590 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 16:37:26,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-21 16:37:26,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-08-21 16:37:26,590 INFO L87 Difference]: Start difference. First operand 1662 states and 2018 transitions. Second operand has 9 states, 9 states have (on average 23.22222222222222) internal successors, (209), 9 states have internal predecessors, (209), 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) [2021-08-21 16:37:26,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 16:37:26,647 INFO L93 Difference]: Finished difference Result 2666 states and 3284 transitions. [2021-08-21 16:37:26,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-21 16:37:26,648 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 23.22222222222222) internal successors, (209), 9 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 176 [2021-08-21 16:37:26,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 16:37:26,652 INFO L225 Difference]: With dead ends: 2666 [2021-08-21 16:37:26,652 INFO L226 Difference]: Without dead ends: 2666 [2021-08-21 16:37:26,652 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 44.2ms TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2021-08-21 16:37:26,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2666 states. [2021-08-21 16:37:26,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2666 to 2152. [2021-08-21 16:37:26,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2152 states, 2148 states have (on average 1.2285847299813781) internal successors, (2639), 2151 states have internal predecessors, (2639), 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) [2021-08-21 16:37:26,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2152 states to 2152 states and 2639 transitions. [2021-08-21 16:37:26,685 INFO L78 Accepts]: Start accepts. Automaton has 2152 states and 2639 transitions. Word has length 176 [2021-08-21 16:37:26,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 16:37:26,686 INFO L470 AbstractCegarLoop]: Abstraction has 2152 states and 2639 transitions. [2021-08-21 16:37:26,686 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 23.22222222222222) internal successors, (209), 9 states have internal predecessors, (209), 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) [2021-08-21 16:37:26,686 INFO L276 IsEmpty]: Start isEmpty. Operand 2152 states and 2639 transitions. [2021-08-21 16:37:26,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-08-21 16:37:26,690 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 16:37:26,690 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-21 16:37:26,710 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-08-21 16:37:26,909 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 16:37:26,910 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-08-21 16:37:26,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 16:37:26,910 INFO L82 PathProgramCache]: Analyzing trace with hash -1841945397, now seen corresponding path program 3 times [2021-08-21 16:37:26,911 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 16:37:26,911 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965980294] [2021-08-21 16:37:26,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 16:37:26,911 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 16:37:26,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 16:37:26,998 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 16:37:26,999 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 16:37:26,999 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965980294] [2021-08-21 16:37:26,999 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965980294] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 16:37:26,999 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1851605903] [2021-08-21 16:37:26,999 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-21 16:37:26,999 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 16:37:26,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-21 16:37:27,021 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-21 16:37:27,073 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-08-21 16:37:27,449 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-08-21 16:37:27,449 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-21 16:37:27,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 34 conjunts are in the unsatisfiable core [2021-08-21 16:37:27,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-21 16:37:27,485 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-08-21 16:37:27,509 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-08-21 16:37:27,510 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-08-21 16:37:27,911 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-08-21 16:37:27,969 INFO L354 Elim1Store]: treesize reduction 39, result has 18.8 percent of original size [2021-08-21 16:37:27,970 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 28 [2021-08-21 16:37:28,118 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-21 16:37:28,125 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-08-21 16:37:28,125 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 27 [2021-08-21 16:37:28,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-21 16:37:28,168 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2021-08-21 16:37:28,198 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2021-08-21 16:37:28,323 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 44 proven. 41 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-08-21 16:37:28,323 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1851605903] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 16:37:28,323 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-21 16:37:28,323 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 12] total 19 [2021-08-21 16:37:28,323 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727703247] [2021-08-21 16:37:28,324 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-08-21 16:37:28,324 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 16:37:28,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-21 16:37:28,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2021-08-21 16:37:28,325 INFO L87 Difference]: Start difference. First operand 2152 states and 2639 transitions. Second operand has 19 states, 19 states have (on average 18.0) internal successors, (342), 19 states have internal predecessors, (342), 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) [2021-08-21 16:37:29,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 16:37:29,498 INFO L93 Difference]: Finished difference Result 5446 states and 6735 transitions. [2021-08-21 16:37:29,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-08-21 16:37:29,498 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 18.0) internal successors, (342), 19 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 205 [2021-08-21 16:37:29,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 16:37:29,506 INFO L225 Difference]: With dead ends: 5446 [2021-08-21 16:37:29,507 INFO L226 Difference]: Without dead ends: 5446 [2021-08-21 16:37:29,508 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 259 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1193 ImplicationChecksByTransitivity, 870.1ms TimeCoverageRelationStatistics Valid=979, Invalid=3053, Unknown=0, NotChecked=0, Total=4032 [2021-08-21 16:37:29,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5446 states. [2021-08-21 16:37:29,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5446 to 3860. [2021-08-21 16:37:29,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3860 states, 3856 states have (on average 1.2398858921161826) internal successors, (4781), 3859 states have internal predecessors, (4781), 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) [2021-08-21 16:37:29,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3860 states to 3860 states and 4781 transitions. [2021-08-21 16:37:29,564 INFO L78 Accepts]: Start accepts. Automaton has 3860 states and 4781 transitions. Word has length 205 [2021-08-21 16:37:29,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 16:37:29,565 INFO L470 AbstractCegarLoop]: Abstraction has 3860 states and 4781 transitions. [2021-08-21 16:37:29,565 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 18.0) internal successors, (342), 19 states have internal predecessors, (342), 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) [2021-08-21 16:37:29,565 INFO L276 IsEmpty]: Start isEmpty. Operand 3860 states and 4781 transitions. [2021-08-21 16:37:29,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2021-08-21 16:37:29,571 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 16:37:29,571 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-21 16:37:29,607 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-08-21 16:37:29,808 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 16:37:29,808 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-08-21 16:37:29,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 16:37:29,809 INFO L82 PathProgramCache]: Analyzing trace with hash 2046286262, now seen corresponding path program 1 times [2021-08-21 16:37:29,809 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 16:37:29,809 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958978584] [2021-08-21 16:37:29,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 16:37:29,809 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 16:37:29,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 16:37:29,920 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 16:37:29,920 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 16:37:29,920 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958978584] [2021-08-21 16:37:29,920 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958978584] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 16:37:29,920 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1185035191] [2021-08-21 16:37:29,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 16:37:29,920 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 16:37:29,920 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-21 16:37:29,921 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-21 16:37:29,922 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-08-21 16:37:30,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 16:37:30,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 487 conjuncts, 10 conjunts are in the unsatisfiable core [2021-08-21 16:37:30,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-21 16:37:30,875 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 16:37:30,875 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1185035191] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 16:37:30,875 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-21 16:37:30,875 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 13 [2021-08-21 16:37:30,876 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799578170] [2021-08-21 16:37:30,876 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-08-21 16:37:30,876 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 16:37:30,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-08-21 16:37:30,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-08-21 16:37:30,877 INFO L87 Difference]: Start difference. First operand 3860 states and 4781 transitions. Second operand has 13 states, 13 states have (on average 20.53846153846154) internal successors, (267), 13 states have internal predecessors, (267), 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) [2021-08-21 16:37:30,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 16:37:30,971 INFO L93 Difference]: Finished difference Result 5634 states and 6999 transitions. [2021-08-21 16:37:30,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-21 16:37:30,972 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 20.53846153846154) internal successors, (267), 13 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 238 [2021-08-21 16:37:30,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 16:37:30,979 INFO L225 Difference]: With dead ends: 5634 [2021-08-21 16:37:30,979 INFO L226 Difference]: Without dead ends: 5634 [2021-08-21 16:37:30,980 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 237 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 91.8ms TimeCoverageRelationStatistics Valid=139, Invalid=281, Unknown=0, NotChecked=0, Total=420 [2021-08-21 16:37:30,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5634 states. [2021-08-21 16:37:31,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5634 to 4728. [2021-08-21 16:37:31,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4728 states, 4724 states have (on average 1.2428027095681626) internal successors, (5871), 4727 states have internal predecessors, (5871), 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) [2021-08-21 16:37:31,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4728 states to 4728 states and 5871 transitions. [2021-08-21 16:37:31,034 INFO L78 Accepts]: Start accepts. Automaton has 4728 states and 5871 transitions. Word has length 238 [2021-08-21 16:37:31,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 16:37:31,035 INFO L470 AbstractCegarLoop]: Abstraction has 4728 states and 5871 transitions. [2021-08-21 16:37:31,035 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 20.53846153846154) internal successors, (267), 13 states have internal predecessors, (267), 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) [2021-08-21 16:37:31,035 INFO L276 IsEmpty]: Start isEmpty. Operand 4728 states and 5871 transitions. [2021-08-21 16:37:31,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2021-08-21 16:37:31,043 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 16:37:31,043 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-21 16:37:31,080 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-08-21 16:37:31,261 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 16:37:31,261 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-08-21 16:37:31,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 16:37:31,261 INFO L82 PathProgramCache]: Analyzing trace with hash -2057278527, now seen corresponding path program 2 times [2021-08-21 16:37:31,261 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 16:37:31,261 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71182306] [2021-08-21 16:37:31,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 16:37:31,262 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 16:37:31,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 16:37:31,387 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 0 proven. 287 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 16:37:31,387 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 16:37:31,387 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71182306] [2021-08-21 16:37:31,387 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [71182306] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 16:37:31,387 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1696806162] [2021-08-21 16:37:31,387 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-21 16:37:31,387 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 16:37:31,387 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-21 16:37:31,390 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-21 16:37:31,391 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-08-21 16:37:31,848 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-21 16:37:31,849 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-21 16:37:31,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 542 conjuncts, 12 conjunts are in the unsatisfiable core [2021-08-21 16:37:31,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-21 16:37:32,427 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 0 proven. 287 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 16:37:32,427 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1696806162] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 16:37:32,427 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-21 16:37:32,427 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 15 [2021-08-21 16:37:32,427 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488067863] [2021-08-21 16:37:32,428 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-08-21 16:37:32,428 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 16:37:32,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-08-21 16:37:32,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2021-08-21 16:37:32,428 INFO L87 Difference]: Start difference. First operand 4728 states and 5871 transitions. Second operand has 15 states, 15 states have (on average 20.266666666666666) internal successors, (304), 15 states have internal predecessors, (304), 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) [2021-08-21 16:37:32,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 16:37:32,546 INFO L93 Difference]: Finished difference Result 6502 states and 8089 transitions. [2021-08-21 16:37:32,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-21 16:37:32,547 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 20.266666666666666) internal successors, (304), 15 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 271 [2021-08-21 16:37:32,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 16:37:32,555 INFO L225 Difference]: With dead ends: 6502 [2021-08-21 16:37:32,555 INFO L226 Difference]: Without dead ends: 6502 [2021-08-21 16:37:32,556 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 270 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 118.7ms TimeCoverageRelationStatistics Valid=196, Invalid=404, Unknown=0, NotChecked=0, Total=600 [2021-08-21 16:37:32,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6502 states. [2021-08-21 16:37:32,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6502 to 5596. [2021-08-21 16:37:32,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5596 states, 5592 states have (on average 1.2448140200286124) internal successors, (6961), 5595 states have internal predecessors, (6961), 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) [2021-08-21 16:37:32,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5596 states to 5596 states and 6961 transitions. [2021-08-21 16:37:32,617 INFO L78 Accepts]: Start accepts. Automaton has 5596 states and 6961 transitions. Word has length 271 [2021-08-21 16:37:32,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 16:37:32,617 INFO L470 AbstractCegarLoop]: Abstraction has 5596 states and 6961 transitions. [2021-08-21 16:37:32,617 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 20.266666666666666) internal successors, (304), 15 states have internal predecessors, (304), 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) [2021-08-21 16:37:32,618 INFO L276 IsEmpty]: Start isEmpty. Operand 5596 states and 6961 transitions. [2021-08-21 16:37:32,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2021-08-21 16:37:32,626 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 16:37:32,626 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-21 16:37:32,663 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-08-21 16:37:32,864 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 16:37:32,864 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-08-21 16:37:32,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 16:37:32,864 INFO L82 PathProgramCache]: Analyzing trace with hash -626113359, now seen corresponding path program 3 times [2021-08-21 16:37:32,864 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 16:37:32,864 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415977833] [2021-08-21 16:37:32,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 16:37:32,865 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 16:37:32,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 16:37:33,031 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 0 proven. 429 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 16:37:33,032 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 16:37:33,032 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415977833] [2021-08-21 16:37:33,032 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1415977833] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 16:37:33,032 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [14579751] [2021-08-21 16:37:33,032 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-21 16:37:33,032 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 16:37:33,032 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-21 16:37:33,033 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-21 16:37:33,034 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-08-21 16:37:33,799 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-08-21 16:37:33,799 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-21 16:37:33,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 421 conjuncts, 71 conjunts are in the unsatisfiable core [2021-08-21 16:37:33,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-21 16:37:33,842 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-08-21 16:37:33,879 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-08-21 16:37:33,879 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-08-21 16:37:35,281 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-08-21 16:37:35,376 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2021-08-21 16:37:35,720 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-21 16:37:35,727 INFO L354 Elim1Store]: treesize reduction 23, result has 28.1 percent of original size [2021-08-21 16:37:35,728 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 27 [2021-08-21 16:37:35,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-21 16:37:35,814 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2021-08-21 16:37:36,037 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 18 [2021-08-21 16:37:36,160 INFO L354 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2021-08-21 16:37:36,161 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 26 [2021-08-21 16:37:36,422 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-21 16:37:36,429 INFO L354 Elim1Store]: treesize reduction 23, result has 28.1 percent of original size [2021-08-21 16:37:36,429 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 27 [2021-08-21 16:37:36,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-21 16:37:36,494 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2021-08-21 16:37:36,542 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2021-08-21 16:37:36,663 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 219 proven. 112 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2021-08-21 16:37:36,664 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [14579751] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 16:37:36,664 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-21 16:37:36,664 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 20] total 33 [2021-08-21 16:37:36,664 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193838562] [2021-08-21 16:37:36,665 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2021-08-21 16:37:36,665 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 16:37:36,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-08-21 16:37:36,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=913, Unknown=0, NotChecked=0, Total=1056 [2021-08-21 16:37:36,666 INFO L87 Difference]: Start difference. First operand 5596 states and 6961 transitions. Second operand has 33 states, 33 states have (on average 14.454545454545455) internal successors, (477), 33 states have internal predecessors, (477), 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) [2021-08-21 16:37:43,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 16:37:43,569 INFO L93 Difference]: Finished difference Result 11624 states and 14517 transitions. [2021-08-21 16:37:43,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2021-08-21 16:37:43,570 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 14.454545454545455) internal successors, (477), 33 states have internal predecessors, (477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 300 [2021-08-21 16:37:43,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 16:37:43,590 INFO L225 Difference]: With dead ends: 11624 [2021-08-21 16:37:43,590 INFO L226 Difference]: Without dead ends: 11624 [2021-08-21 16:37:43,595 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 447 GetRequests, 284 SyntacticMatches, 0 SemanticMatches, 163 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10326 ImplicationChecksByTransitivity, 6226.8ms TimeCoverageRelationStatistics Valid=5516, Invalid=21544, Unknown=0, NotChecked=0, Total=27060 [2021-08-21 16:37:43,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11624 states. [2021-08-21 16:37:43,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11624 to 8949. [2021-08-21 16:37:43,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8949 states, 8945 states have (on average 1.2508664058133034) internal successors, (11189), 8948 states have internal predecessors, (11189), 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) [2021-08-21 16:37:43,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8949 states to 8949 states and 11189 transitions. [2021-08-21 16:37:43,691 INFO L78 Accepts]: Start accepts. Automaton has 8949 states and 11189 transitions. Word has length 300 [2021-08-21 16:37:43,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 16:37:43,692 INFO L470 AbstractCegarLoop]: Abstraction has 8949 states and 11189 transitions. [2021-08-21 16:37:43,692 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 14.454545454545455) internal successors, (477), 33 states have internal predecessors, (477), 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) [2021-08-21 16:37:43,692 INFO L276 IsEmpty]: Start isEmpty. Operand 8949 states and 11189 transitions. [2021-08-21 16:37:43,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2021-08-21 16:37:43,708 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 16:37:43,708 INFO L512 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-21 16:37:43,727 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-08-21 16:37:43,927 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 16:37:43,927 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-08-21 16:37:43,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 16:37:43,928 INFO L82 PathProgramCache]: Analyzing trace with hash -977138869, now seen corresponding path program 4 times [2021-08-21 16:37:43,928 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 16:37:43,928 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746415478] [2021-08-21 16:37:43,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 16:37:43,928 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 16:37:43,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 16:37:44,124 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 0 proven. 616 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 16:37:44,124 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 16:37:44,124 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746415478] [2021-08-21 16:37:44,124 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [746415478] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 16:37:44,125 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1817055664] [2021-08-21 16:37:44,125 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-08-21 16:37:44,125 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 16:37:44,125 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-21 16:37:44,125 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-21 16:37:44,126 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-08-21 16:37:45,259 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-21 16:37:45,259 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-21 16:37:45,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 652 conjuncts, 16 conjunts are in the unsatisfiable core [2021-08-21 16:37:45,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-21 16:37:46,014 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 0 proven. 616 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 16:37:46,015 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1817055664] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 16:37:46,015 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-21 16:37:46,015 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 19 [2021-08-21 16:37:46,015 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933499388] [2021-08-21 16:37:46,015 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-08-21 16:37:46,015 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 16:37:46,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-21 16:37:46,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=243, Unknown=0, NotChecked=0, Total=342 [2021-08-21 16:37:46,016 INFO L87 Difference]: Start difference. First operand 8949 states and 11189 transitions. Second operand has 19 states, 19 states have (on average 19.473684210526315) internal successors, (370), 19 states have internal predecessors, (370), 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) [2021-08-21 16:37:46,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 16:37:46,257 INFO L93 Difference]: Finished difference Result 11667 states and 14585 transitions. [2021-08-21 16:37:46,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-21 16:37:46,258 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 19.473684210526315) internal successors, (370), 19 states have internal predecessors, (370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 337 [2021-08-21 16:37:46,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 16:37:46,271 INFO L225 Difference]: With dead ends: 11667 [2021-08-21 16:37:46,271 INFO L226 Difference]: Without dead ends: 11667 [2021-08-21 16:37:46,271 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 367 GetRequests, 336 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 191 ImplicationChecksByTransitivity, 199.1ms TimeCoverageRelationStatistics Valid=340, Invalid=716, Unknown=0, NotChecked=0, Total=1056 [2021-08-21 16:37:46,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11667 states. [2021-08-21 16:37:46,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11667 to 10279. [2021-08-21 16:37:46,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10279 states, 10275 states have (on average 1.2513868613138686) internal successors, (12858), 10278 states have internal predecessors, (12858), 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) [2021-08-21 16:37:46,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10279 states to 10279 states and 12858 transitions. [2021-08-21 16:37:46,378 INFO L78 Accepts]: Start accepts. Automaton has 10279 states and 12858 transitions. Word has length 337 [2021-08-21 16:37:46,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 16:37:46,378 INFO L470 AbstractCegarLoop]: Abstraction has 10279 states and 12858 transitions. [2021-08-21 16:37:46,378 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 19.473684210526315) internal successors, (370), 19 states have internal predecessors, (370), 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) [2021-08-21 16:37:46,378 INFO L276 IsEmpty]: Start isEmpty. Operand 10279 states and 12858 transitions. [2021-08-21 16:37:46,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2021-08-21 16:37:46,395 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 16:37:46,395 INFO L512 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-21 16:37:46,417 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-08-21 16:37:46,615 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-08-21 16:37:46,615 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-08-21 16:37:46,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 16:37:46,616 INFO L82 PathProgramCache]: Analyzing trace with hash 1503520827, now seen corresponding path program 5 times [2021-08-21 16:37:46,616 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 16:37:46,616 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439592216] [2021-08-21 16:37:46,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 16:37:46,616 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 16:37:46,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 16:37:46,844 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 0 proven. 812 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 16:37:46,844 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 16:37:46,844 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439592216] [2021-08-21 16:37:46,844 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439592216] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 16:37:46,844 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1548781636] [2021-08-21 16:37:46,845 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-08-21 16:37:46,845 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 16:37:46,845 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-21 16:37:46,845 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-21 16:37:46,846 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-08-21 16:37:48,289 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2021-08-21 16:37:48,289 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-21 16:37:48,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 138 conjunts are in the unsatisfiable core [2021-08-21 16:37:48,300 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-21 16:37:48,623 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-08-21 16:37:48,662 INFO L354 Elim1Store]: treesize reduction 25, result has 47.9 percent of original size [2021-08-21 16:37:48,662 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 38 [2021-08-21 16:37:49,084 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-21 16:37:49,097 INFO L354 Elim1Store]: treesize reduction 21, result has 47.5 percent of original size [2021-08-21 16:37:49,097 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 60 treesize of output 63 [2021-08-21 16:37:49,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-21 16:37:49,235 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 50 [2021-08-21 16:37:49,531 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 41 [2021-08-21 16:37:49,751 INFO L354 Elim1Store]: treesize reduction 25, result has 47.9 percent of original size [2021-08-21 16:37:49,752 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 64 [2021-08-21 16:37:50,241 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-21 16:37:50,251 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-08-21 16:37:50,251 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 57 treesize of output 59 [2021-08-21 16:37:50,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-21 16:37:50,366 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 50 [2021-08-21 16:37:50,701 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 41 [2021-08-21 16:37:50,854 INFO L354 Elim1Store]: treesize reduction 25, result has 47.9 percent of original size [2021-08-21 16:37:50,854 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 64 [2021-08-21 16:37:51,358 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-21 16:37:51,369 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-08-21 16:37:51,369 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 57 treesize of output 59 [2021-08-21 16:37:51,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-21 16:37:51,468 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 50 [2021-08-21 16:37:51,721 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 13 [2021-08-21 16:37:51,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-21 16:37:51,831 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2021-08-21 16:37:52,385 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-21 16:37:52,394 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-08-21 16:37:52,394 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 27 [2021-08-21 16:37:52,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-21 16:37:52,491 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2021-08-21 16:37:52,807 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2021-08-21 16:37:52,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-21 16:37:52,955 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2021-08-21 16:37:53,403 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-21 16:37:53,409 INFO L354 Elim1Store]: treesize reduction 23, result has 28.1 percent of original size [2021-08-21 16:37:53,409 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 27 [2021-08-21 16:37:53,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-21 16:37:53,511 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2021-08-21 16:37:53,836 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2021-08-21 16:37:53,995 INFO L354 Elim1Store]: treesize reduction 45, result has 16.7 percent of original size [2021-08-21 16:37:53,995 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 46 [2021-08-21 16:37:54,209 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-08-21 16:37:54,210 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 27 [2021-08-21 16:37:54,225 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-08-21 16:37:54,225 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 24 [2021-08-21 16:37:54,233 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2021-08-21 16:37:54,347 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 541 proven. 263 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-08-21 16:37:54,348 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1548781636] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 16:37:54,348 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-21 16:37:54,348 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 52] total 69 [2021-08-21 16:37:54,348 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779292289] [2021-08-21 16:37:54,348 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 69 states [2021-08-21 16:37:54,348 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 16:37:54,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2021-08-21 16:37:54,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=472, Invalid=4220, Unknown=0, NotChecked=0, Total=4692 [2021-08-21 16:37:54,350 INFO L87 Difference]: Start difference. First operand 10279 states and 12858 transitions. Second operand has 69 states, 69 states have (on average 8.884057971014492) internal successors, (613), 69 states have internal predecessors, (613), 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) [2021-08-21 16:38:22,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 16:38:22,556 INFO L93 Difference]: Finished difference Result 30278 states and 37967 transitions. [2021-08-21 16:38:22,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 450 states. [2021-08-21 16:38:22,556 INFO L78 Accepts]: Start accepts. Automaton has has 69 states, 69 states have (on average 8.884057971014492) internal successors, (613), 69 states have internal predecessors, (613), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 366 [2021-08-21 16:38:22,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 16:38:22,590 INFO L225 Difference]: With dead ends: 30278 [2021-08-21 16:38:22,590 INFO L226 Difference]: Without dead ends: 30278 [2021-08-21 16:38:22,605 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1011 GetRequests, 503 SyntacticMatches, 0 SemanticMatches, 508 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117180 ImplicationChecksByTransitivity, 25600.7ms TimeCoverageRelationStatistics Valid=23830, Invalid=235760, Unknown=0, NotChecked=0, Total=259590 [2021-08-21 16:38:22,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30278 states. [2021-08-21 16:38:22,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30278 to 22651. [2021-08-21 16:38:22,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22651 states, 22647 states have (on average 1.2625071753433126) internal successors, (28592), 22650 states have internal predecessors, (28592), 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) [2021-08-21 16:38:22,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22651 states to 22651 states and 28592 transitions. [2021-08-21 16:38:22,890 INFO L78 Accepts]: Start accepts. Automaton has 22651 states and 28592 transitions. Word has length 366 [2021-08-21 16:38:22,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 16:38:22,891 INFO L470 AbstractCegarLoop]: Abstraction has 22651 states and 28592 transitions. [2021-08-21 16:38:22,892 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 69 states, 69 states have (on average 8.884057971014492) internal successors, (613), 69 states have internal predecessors, (613), 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) [2021-08-21 16:38:22,892 INFO L276 IsEmpty]: Start isEmpty. Operand 22651 states and 28592 transitions. [2021-08-21 16:38:22,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 400 [2021-08-21 16:38:22,923 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 16:38:22,923 INFO L512 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-21 16:38:22,957 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-08-21 16:38:23,136 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-08-21 16:38:23,137 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-08-21 16:38:23,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 16:38:23,137 INFO L82 PathProgramCache]: Analyzing trace with hash -1454094816, now seen corresponding path program 6 times [2021-08-21 16:38:23,138 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 16:38:23,138 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763881610] [2021-08-21 16:38:23,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 16:38:23,138 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 16:38:23,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 16:38:23,386 INFO L134 CoverageAnalysis]: Checked inductivity of 1053 backedges. 0 proven. 1053 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 16:38:23,387 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 16:38:23,387 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763881610] [2021-08-21 16:38:23,387 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [763881610] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 16:38:23,387 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1840914844] [2021-08-21 16:38:23,387 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-08-21 16:38:23,387 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 16:38:23,387 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-21 16:38:23,388 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-21 16:38:23,389 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-08-21 16:38:24,970 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-08-21 16:38:24,970 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-21 16:38:24,973 INFO L263 TraceCheckSpWp]: Trace formula consists of 432 conjuncts, 64 conjunts are in the unsatisfiable core [2021-08-21 16:38:24,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-21 16:38:25,008 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-08-21 16:38:25,041 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-08-21 16:38:25,041 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2021-08-21 16:38:25,117 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-08-21 16:38:25,117 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2021-08-21 16:38:25,170 INFO L354 Elim1Store]: treesize reduction 12, result has 52.0 percent of original size [2021-08-21 16:38:25,170 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 25 [2021-08-21 16:38:25,393 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-08-21 16:38:25,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-21 16:38:25,453 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2021-08-21 16:38:26,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-21 16:38:26,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-21 16:38:26,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-21 16:38:26,279 INFO L354 Elim1Store]: treesize reduction 90, result has 23.7 percent of original size [2021-08-21 16:38:26,279 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 56 [2021-08-21 16:38:26,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-21 16:38:26,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-21 16:38:26,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-21 16:38:26,926 INFO L354 Elim1Store]: treesize reduction 84, result has 57.4 percent of original size [2021-08-21 16:38:26,926 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 55 treesize of output 136 [2021-08-21 16:38:27,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-21 16:38:27,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-21 16:38:27,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-21 16:38:27,409 INFO L354 Elim1Store]: treesize reduction 156, result has 29.4 percent of original size [2021-08-21 16:38:27,410 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 161 treesize of output 167 [2021-08-21 16:38:28,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-21 16:38:28,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-21 16:38:28,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-21 16:38:28,420 INFO L354 Elim1Store]: treesize reduction 150, result has 15.7 percent of original size [2021-08-21 16:38:28,421 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 80 treesize of output 73 [2021-08-21 16:38:29,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-21 16:38:29,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-21 16:38:29,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-21 16:38:29,752 INFO L354 Elim1Store]: treesize reduction 186, result has 21.5 percent of original size [2021-08-21 16:38:29,753 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 80 treesize of output 102 [2021-08-21 16:38:30,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-21 16:38:30,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-21 16:38:30,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-21 16:38:30,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-21 16:38:30,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-21 16:38:30,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-21 16:38:30,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-21 16:38:30,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-21 16:38:30,398 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-21 16:38:30,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-21 16:38:30,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-21 16:38:30,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-21 16:38:30,441 INFO L354 Elim1Store]: treesize reduction 183, result has 23.1 percent of original size [2021-08-21 16:38:30,441 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 21 case distinctions, treesize of input 83 treesize of output 91 [2021-08-21 16:38:30,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-21 16:38:30,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-21 16:38:30,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-21 16:38:30,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-21 16:38:30,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-21 16:38:30,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-21 16:38:30,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-21 16:38:30,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-21 16:38:30,634 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-21 16:38:30,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-21 16:38:30,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-21 16:38:30,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-21 16:38:30,685 INFO L354 Elim1Store]: treesize reduction 189, result has 20.6 percent of original size [2021-08-21 16:38:30,685 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 21 case distinctions, treesize of input 83 treesize of output 85 [2021-08-21 16:38:30,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-21 16:38:30,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-21 16:38:30,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-21 16:38:30,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-21 16:38:30,829 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-21 16:38:30,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-21 16:38:30,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-21 16:38:30,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-21 16:38:30,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-21 16:38:30,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-21 16:38:30,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-21 16:38:30,834 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-21 16:38:30,834 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 74 treesize of output 81 [2021-08-21 16:38:30,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-21 16:38:30,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-21 16:38:30,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-21 16:38:30,918 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-21 16:38:30,920 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 14 [2021-08-21 16:38:31,438 INFO L134 CoverageAnalysis]: Checked inductivity of 1053 backedges. 338 proven. 19 refuted. 0 times theorem prover too weak. 696 trivial. 0 not checked. [2021-08-21 16:38:31,438 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1840914844] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 16:38:31,438 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-21 16:38:31,438 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 30] total 49 [2021-08-21 16:38:31,439 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89901985] [2021-08-21 16:38:31,439 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2021-08-21 16:38:31,439 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 16:38:31,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-08-21 16:38:31,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=219, Invalid=2132, Unknown=1, NotChecked=0, Total=2352 [2021-08-21 16:38:31,440 INFO L87 Difference]: Start difference. First operand 22651 states and 28592 transitions. Second operand has 49 states, 49 states have (on average 10.959183673469388) internal successors, (537), 49 states have internal predecessors, (537), 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) [2021-08-21 16:38:40,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 16:38:40,602 INFO L93 Difference]: Finished difference Result 29453 states and 37111 transitions. [2021-08-21 16:38:40,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-08-21 16:38:40,602 INFO L78 Accepts]: Start accepts. Automaton has has 49 states, 49 states have (on average 10.959183673469388) internal successors, (537), 49 states have internal predecessors, (537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 399 [2021-08-21 16:38:40,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 16:38:40,640 INFO L225 Difference]: With dead ends: 29453 [2021-08-21 16:38:40,640 INFO L226 Difference]: Without dead ends: 29453 [2021-08-21 16:38:40,642 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 481 GetRequests, 374 SyntacticMatches, 0 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2978 ImplicationChecksByTransitivity, 8675.3ms TimeCoverageRelationStatistics Valid=2136, Invalid=9634, Unknown=2, NotChecked=0, Total=11772 [2021-08-21 16:38:40,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29453 states. [2021-08-21 16:38:40,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29453 to 25622. [2021-08-21 16:38:40,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25622 states, 25618 states have (on average 1.261534858302756) internal successors, (32318), 25621 states have internal predecessors, (32318), 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) [2021-08-21 16:38:41,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25622 states to 25622 states and 32318 transitions. [2021-08-21 16:38:41,022 INFO L78 Accepts]: Start accepts. Automaton has 25622 states and 32318 transitions. Word has length 399 [2021-08-21 16:38:41,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 16:38:41,023 INFO L470 AbstractCegarLoop]: Abstraction has 25622 states and 32318 transitions. [2021-08-21 16:38:41,023 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 10.959183673469388) internal successors, (537), 49 states have internal predecessors, (537), 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) [2021-08-21 16:38:41,023 INFO L276 IsEmpty]: Start isEmpty. Operand 25622 states and 32318 transitions. [2021-08-21 16:38:41,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 433 [2021-08-21 16:38:41,053 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 16:38:41,053 INFO L512 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-21 16:38:41,076 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-08-21 16:38:41,273 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-08-21 16:38:41,274 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-08-21 16:38:41,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 16:38:41,274 INFO L82 PathProgramCache]: Analyzing trace with hash -377071477, now seen corresponding path program 7 times [2021-08-21 16:38:41,274 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 16:38:41,274 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802011569] [2021-08-21 16:38:41,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 16:38:41,274 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 16:38:41,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 16:38:41,550 INFO L134 CoverageAnalysis]: Checked inductivity of 1327 backedges. 0 proven. 1327 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 16:38:41,550 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 16:38:41,550 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802011569] [2021-08-21 16:38:41,550 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1802011569] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 16:38:41,550 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [955226012] [2021-08-21 16:38:41,550 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-08-21 16:38:41,550 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 16:38:41,550 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-21 16:38:41,551 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-21 16:38:41,552 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-08-21 16:38:43,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 16:38:43,341 INFO L263 TraceCheckSpWp]: Trace formula consists of 812 conjuncts, 22 conjunts are in the unsatisfiable core [2021-08-21 16:38:43,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-21 16:38:44,377 INFO L134 CoverageAnalysis]: Checked inductivity of 1327 backedges. 0 proven. 1327 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 16:38:44,377 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [955226012] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 16:38:44,377 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-21 16:38:44,377 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 25 [2021-08-21 16:38:44,377 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695916644] [2021-08-21 16:38:44,378 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2021-08-21 16:38:44,378 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 16:38:44,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-08-21 16:38:44,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=168, Invalid=432, Unknown=0, NotChecked=0, Total=600 [2021-08-21 16:38:44,379 INFO L87 Difference]: Start difference. First operand 25622 states and 32318 transitions. Second operand has 25 states, 25 states have (on average 18.6) internal successors, (465), 25 states have internal predecessors, (465), 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) [2021-08-21 16:38:44,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 16:38:44,735 INFO L93 Difference]: Finished difference Result 32972 states and 41544 transitions. [2021-08-21 16:38:44,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-08-21 16:38:44,736 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 18.6) internal successors, (465), 25 states have internal predecessors, (465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 432 [2021-08-21 16:38:44,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 16:38:44,774 INFO L225 Difference]: With dead ends: 32972 [2021-08-21 16:38:44,774 INFO L226 Difference]: Without dead ends: 32972 [2021-08-21 16:38:44,774 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 474 GetRequests, 431 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 368 ImplicationChecksByTransitivity, 367.5ms TimeCoverageRelationStatistics Valid=631, Invalid=1349, Unknown=0, NotChecked=0, Total=1980 [2021-08-21 16:38:44,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32972 states. [2021-08-21 16:38:45,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32972 to 29219. [2021-08-21 16:38:45,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29219 states, 29215 states have (on average 1.2614410405613554) internal successors, (36853), 29218 states have internal predecessors, (36853), 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) [2021-08-21 16:38:45,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29219 states to 29219 states and 36853 transitions. [2021-08-21 16:38:45,121 INFO L78 Accepts]: Start accepts. Automaton has 29219 states and 36853 transitions. Word has length 432 [2021-08-21 16:38:45,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 16:38:45,122 INFO L470 AbstractCegarLoop]: Abstraction has 29219 states and 36853 transitions. [2021-08-21 16:38:45,122 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 18.6) internal successors, (465), 25 states have internal predecessors, (465), 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) [2021-08-21 16:38:45,122 INFO L276 IsEmpty]: Start isEmpty. Operand 29219 states and 36853 transitions. [2021-08-21 16:38:45,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 466 [2021-08-21 16:38:45,154 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 16:38:45,155 INFO L512 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-21 16:38:45,176 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-08-21 16:38:45,375 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-08-21 16:38:45,376 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-08-21 16:38:45,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 16:38:45,376 INFO L82 PathProgramCache]: Analyzing trace with hash 1424560890, now seen corresponding path program 8 times [2021-08-21 16:38:45,377 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 16:38:45,377 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693769349] [2021-08-21 16:38:45,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 16:38:45,377 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 16:38:45,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 16:38:45,736 INFO L134 CoverageAnalysis]: Checked inductivity of 1634 backedges. 0 proven. 1634 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 16:38:45,737 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 16:38:45,737 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693769349] [2021-08-21 16:38:45,737 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693769349] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 16:38:45,737 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [618936869] [2021-08-21 16:38:45,737 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-21 16:38:45,737 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 16:38:45,737 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-21 16:38:45,739 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-21 16:38:45,739 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-08-21 16:38:47,682 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-21 16:38:47,683 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-21 16:38:47,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 867 conjuncts, 24 conjunts are in the unsatisfiable core [2021-08-21 16:38:47,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-21 16:38:48,810 INFO L134 CoverageAnalysis]: Checked inductivity of 1634 backedges. 0 proven. 1634 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 16:38:48,810 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [618936869] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 16:38:48,810 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-21 16:38:48,810 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 27 [2021-08-21 16:38:48,810 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320478396] [2021-08-21 16:38:48,811 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2021-08-21 16:38:48,811 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 16:38:48,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-08-21 16:38:48,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=195, Invalid=507, Unknown=0, NotChecked=0, Total=702 [2021-08-21 16:38:48,811 INFO L87 Difference]: Start difference. First operand 29219 states and 36853 transitions. Second operand has 27 states, 27 states have (on average 18.444444444444443) internal successors, (498), 27 states have internal predecessors, (498), 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) [2021-08-21 16:38:49,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 16:38:49,206 INFO L93 Difference]: Finished difference Result 36569 states and 46079 transitions. [2021-08-21 16:38:49,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-08-21 16:38:49,206 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 18.444444444444443) internal successors, (498), 27 states have internal predecessors, (498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 465 [2021-08-21 16:38:49,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 16:38:49,248 INFO L225 Difference]: With dead ends: 36569 [2021-08-21 16:38:49,248 INFO L226 Difference]: Without dead ends: 36569 [2021-08-21 16:38:49,249 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 511 GetRequests, 464 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 439 ImplicationChecksByTransitivity, 422.2ms TimeCoverageRelationStatistics Valid=748, Invalid=1604, Unknown=0, NotChecked=0, Total=2352 [2021-08-21 16:38:49,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36569 states. [2021-08-21 16:38:49,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36569 to 32816. [2021-08-21 16:38:49,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32816 states, 32812 states have (on average 1.2613677922711204) internal successors, (41388), 32815 states have internal predecessors, (41388), 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) [2021-08-21 16:38:49,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32816 states to 32816 states and 41388 transitions. [2021-08-21 16:38:49,636 INFO L78 Accepts]: Start accepts. Automaton has 32816 states and 41388 transitions. Word has length 465 [2021-08-21 16:38:49,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 16:38:49,636 INFO L470 AbstractCegarLoop]: Abstraction has 32816 states and 41388 transitions. [2021-08-21 16:38:49,637 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 18.444444444444443) internal successors, (498), 27 states have internal predecessors, (498), 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) [2021-08-21 16:38:49,637 INFO L276 IsEmpty]: Start isEmpty. Operand 32816 states and 41388 transitions. [2021-08-21 16:38:49,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 499 [2021-08-21 16:38:49,797 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 16:38:49,797 INFO L512 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 8, 8, 8, 8, 8, 8, 8, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-21 16:38:49,819 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-08-21 16:38:50,019 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-08-21 16:38:50,019 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-08-21 16:38:50,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 16:38:50,020 INFO L82 PathProgramCache]: Analyzing trace with hash -217341333, now seen corresponding path program 9 times [2021-08-21 16:38:50,020 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 16:38:50,020 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288503273] [2021-08-21 16:38:50,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 16:38:50,020 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 16:38:50,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 16:38:50,377 INFO L134 CoverageAnalysis]: Checked inductivity of 1974 backedges. 0 proven. 1974 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 16:38:50,377 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 16:38:50,377 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288503273] [2021-08-21 16:38:50,377 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [288503273] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 16:38:50,377 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [612458765] [2021-08-21 16:38:50,377 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-21 16:38:50,377 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 16:38:50,378 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-21 16:38:50,393 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-21 16:38:50,445 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-08-21 16:39:41,318 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2021-08-21 16:39:41,319 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-21 16:39:41,379 INFO L263 TraceCheckSpWp]: Trace formula consists of 696 conjuncts, 134 conjunts are in the unsatisfiable core [2021-08-21 16:39:41,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-21 16:39:41,422 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-08-21 16:39:41,468 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-08-21 16:39:41,468 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-08-21 16:39:43,203 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-08-21 16:39:43,267 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2021-08-21 16:39:43,510 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-21 16:39:43,516 INFO L354 Elim1Store]: treesize reduction 23, result has 28.1 percent of original size [2021-08-21 16:39:43,516 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 27 [2021-08-21 16:39:43,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-21 16:39:43,596 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2021-08-21 16:39:43,829 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2021-08-21 16:39:43,930 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2021-08-21 16:39:44,204 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-21 16:39:44,210 INFO L354 Elim1Store]: treesize reduction 23, result has 28.1 percent of original size [2021-08-21 16:39:44,211 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 27 [2021-08-21 16:39:44,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-21 16:39:44,304 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2021-08-21 16:39:44,584 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2021-08-21 16:39:44,713 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2021-08-21 16:39:45,067 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-21 16:39:45,074 INFO L354 Elim1Store]: treesize reduction 23, result has 28.1 percent of original size [2021-08-21 16:39:45,074 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 27 [2021-08-21 16:39:45,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-21 16:39:45,148 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2021-08-21 16:39:45,424 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2021-08-21 16:39:45,552 INFO L354 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2021-08-21 16:39:45,553 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 26 [2021-08-21 16:39:45,808 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-21 16:39:45,815 INFO L354 Elim1Store]: treesize reduction 23, result has 28.1 percent of original size [2021-08-21 16:39:45,815 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 27 [2021-08-21 16:39:45,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-21 16:39:45,861 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2021-08-21 16:39:45,892 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2021-08-21 16:39:46,162 INFO L134 CoverageAnalysis]: Checked inductivity of 1974 backedges. 1299 proven. 309 refuted. 0 times theorem prover too weak. 366 trivial. 0 not checked. [2021-08-21 16:39:46,162 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [612458765] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 16:39:46,162 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-21 16:39:46,162 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 33] total 58 [2021-08-21 16:39:46,162 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534618154] [2021-08-21 16:39:46,163 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2021-08-21 16:39:46,164 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 16:39:46,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2021-08-21 16:39:46,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=334, Invalid=2972, Unknown=0, NotChecked=0, Total=3306 [2021-08-21 16:39:46,164 INFO L87 Difference]: Start difference. First operand 32816 states and 41388 transitions. Second operand has 58 states, 58 states have (on average 13.206896551724139) internal successors, (766), 58 states have internal predecessors, (766), 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) [2021-08-21 16:40:04,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 16:40:04,517 INFO L93 Difference]: Finished difference Result 30648 states and 38372 transitions. [2021-08-21 16:40:04,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 410 states. [2021-08-21 16:40:04,517 INFO L78 Accepts]: Start accepts. Automaton has has 58 states, 58 states have (on average 13.206896551724139) internal successors, (766), 58 states have internal predecessors, (766), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 498 [2021-08-21 16:40:04,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 16:40:04,560 INFO L225 Difference]: With dead ends: 30648 [2021-08-21 16:40:04,560 INFO L226 Difference]: Without dead ends: 30648 [2021-08-21 16:40:04,574 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 932 GetRequests, 469 SyntacticMatches, 0 SemanticMatches, 463 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95663 ImplicationChecksByTransitivity, 16171.1ms TimeCoverageRelationStatistics Valid=19894, Invalid=195866, Unknown=0, NotChecked=0, Total=215760 [2021-08-21 16:40:04,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30648 states. [2021-08-21 16:40:04,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30648 to 25968. [2021-08-21 16:40:04,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25968 states, 25964 states have (on average 1.254737328608843) internal successors, (32578), 25967 states have internal predecessors, (32578), 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) [2021-08-21 16:40:04,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25968 states to 25968 states and 32578 transitions. [2021-08-21 16:40:04,933 INFO L78 Accepts]: Start accepts. Automaton has 25968 states and 32578 transitions. Word has length 498 [2021-08-21 16:40:04,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 16:40:04,933 INFO L470 AbstractCegarLoop]: Abstraction has 25968 states and 32578 transitions. [2021-08-21 16:40:04,933 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 58 states, 58 states have (on average 13.206896551724139) internal successors, (766), 58 states have internal predecessors, (766), 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) [2021-08-21 16:40:04,933 INFO L276 IsEmpty]: Start isEmpty. Operand 25968 states and 32578 transitions. [2021-08-21 16:40:04,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 532 [2021-08-21 16:40:04,967 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 16:40:04,968 INFO L512 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 9, 9, 9, 9, 9, 9, 9, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-21 16:40:05,009 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-08-21 16:40:05,192 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-08-21 16:40:05,193 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-08-21 16:40:05,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 16:40:05,194 INFO L82 PathProgramCache]: Analyzing trace with hash -814064528, now seen corresponding path program 10 times [2021-08-21 16:40:05,194 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 16:40:05,194 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362731120] [2021-08-21 16:40:05,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 16:40:05,194 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 16:40:05,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 16:40:05,790 INFO L134 CoverageAnalysis]: Checked inductivity of 2347 backedges. 0 proven. 2347 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 16:40:05,791 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 16:40:05,791 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362731120] [2021-08-21 16:40:05,791 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362731120] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 16:40:05,791 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [666363485] [2021-08-21 16:40:05,791 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-08-21 16:40:05,791 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 16:40:05,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-21 16:40:05,793 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-21 16:40:05,793 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-08-21 16:40:11,920 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-21 16:40:11,920 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-21 16:40:11,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 977 conjuncts, 28 conjunts are in the unsatisfiable core [2021-08-21 16:40:11,932 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-21 16:40:13,410 INFO L134 CoverageAnalysis]: Checked inductivity of 2347 backedges. 0 proven. 2347 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 16:40:13,410 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [666363485] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 16:40:13,410 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-21 16:40:13,410 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29] total 31 [2021-08-21 16:40:13,411 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362791631] [2021-08-21 16:40:13,411 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2021-08-21 16:40:13,411 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 16:40:13,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-08-21 16:40:13,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=255, Invalid=675, Unknown=0, NotChecked=0, Total=930 [2021-08-21 16:40:13,412 INFO L87 Difference]: Start difference. First operand 25968 states and 32578 transitions. Second operand has 31 states, 31 states have (on average 18.193548387096776) internal successors, (564), 31 states have internal predecessors, (564), 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) [2021-08-21 16:40:13,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 16:40:13,925 INFO L93 Difference]: Finished difference Result 30574 states and 38330 transitions. [2021-08-21 16:40:13,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-08-21 16:40:13,925 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 18.193548387096776) internal successors, (564), 31 states have internal predecessors, (564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 531 [2021-08-21 16:40:13,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 16:40:13,964 INFO L225 Difference]: With dead ends: 30574 [2021-08-21 16:40:13,964 INFO L226 Difference]: Without dead ends: 30574 [2021-08-21 16:40:13,965 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 585 GetRequests, 530 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 599 ImplicationChecksByTransitivity, 758.8ms TimeCoverageRelationStatistics Valid=1012, Invalid=2180, Unknown=0, NotChecked=0, Total=3192 [2021-08-21 16:40:13,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30574 states. [2021-08-21 16:40:14,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30574 to 28222. [2021-08-21 16:40:14,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28222 states, 28218 states have (on average 1.2546955843787653) internal successors, (35405), 28221 states have internal predecessors, (35405), 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) [2021-08-21 16:40:14,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28222 states to 28222 states and 35405 transitions. [2021-08-21 16:40:14,278 INFO L78 Accepts]: Start accepts. Automaton has 28222 states and 35405 transitions. Word has length 531 [2021-08-21 16:40:14,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 16:40:14,279 INFO L470 AbstractCegarLoop]: Abstraction has 28222 states and 35405 transitions. [2021-08-21 16:40:14,279 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 18.193548387096776) internal successors, (564), 31 states have internal predecessors, (564), 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) [2021-08-21 16:40:14,279 INFO L276 IsEmpty]: Start isEmpty. Operand 28222 states and 35405 transitions. [2021-08-21 16:40:14,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 565 [2021-08-21 16:40:14,310 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 16:40:14,311 INFO L512 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 10, 10, 10, 10, 10, 10, 10, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-21 16:40:14,325 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2021-08-21 16:40:14,525 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 16:40:14,526 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-08-21 16:40:14,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 16:40:14,526 INFO L82 PathProgramCache]: Analyzing trace with hash 170647477, now seen corresponding path program 11 times [2021-08-21 16:40:14,526 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 16:40:14,526 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741622556] [2021-08-21 16:40:14,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 16:40:14,526 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 16:40:14,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 16:40:14,964 INFO L134 CoverageAnalysis]: Checked inductivity of 2753 backedges. 0 proven. 2753 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 16:40:14,964 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 16:40:14,964 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741622556] [2021-08-21 16:40:14,964 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [741622556] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 16:40:14,964 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1136968531] [2021-08-21 16:40:14,964 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-08-21 16:40:14,964 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 16:40:14,964 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-21 16:40:14,981 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-21 16:40:15,005 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-08-21 16:40:46,513 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) [2021-08-21 16:40:46,513 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-21 16:40:46,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 713 conjuncts, 238 conjunts are in the unsatisfiable core [2021-08-21 16:40:46,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-21 16:40:46,853 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2021-08-21 16:40:47,021 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-08-21 16:40:47,063 INFO L354 Elim1Store]: treesize reduction 25, result has 47.9 percent of original size [2021-08-21 16:40:47,063 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 38 [2021-08-21 16:40:47,495 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-21 16:40:47,504 INFO L354 Elim1Store]: treesize reduction 21, result has 47.5 percent of original size [2021-08-21 16:40:47,505 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 48 treesize of output 51 [2021-08-21 16:40:47,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-21 16:40:47,631 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 38 [2021-08-21 16:40:47,994 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 33 [2021-08-21 16:40:48,122 INFO L354 Elim1Store]: treesize reduction 25, result has 47.9 percent of original size [2021-08-21 16:40:48,122 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 56 [2021-08-21 16:40:48,823 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-21 16:40:48,833 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-08-21 16:40:48,834 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 70 treesize of output 66 [2021-08-21 16:40:48,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-21 16:40:48,972 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 57 [2021-08-21 16:40:49,486 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 52 [2021-08-21 16:40:49,731 INFO L354 Elim1Store]: treesize reduction 25, result has 47.9 percent of original size [2021-08-21 16:40:49,732 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 74 treesize of output 75 [2021-08-21 16:40:50,752 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-21 16:40:50,761 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-08-21 16:40:50,761 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 95 treesize of output 85 [2021-08-21 16:40:50,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-21 16:40:50,945 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 76 [2021-08-21 16:40:51,653 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 71 [2021-08-21 16:40:52,000 INFO L354 Elim1Store]: treesize reduction 25, result has 47.9 percent of original size [2021-08-21 16:40:52,000 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 99 treesize of output 94 [2021-08-21 16:40:52,813 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-21 16:40:52,824 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-08-21 16:40:52,824 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 57 treesize of output 59 [2021-08-21 16:40:52,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-21 16:40:52,929 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 50 [2021-08-21 16:40:53,438 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 45 [2021-08-21 16:40:53,655 INFO L354 Elim1Store]: treesize reduction 25, result has 47.9 percent of original size [2021-08-21 16:40:53,655 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 61 treesize of output 68 [2021-08-21 16:40:54,437 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-21 16:40:54,447 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-08-21 16:40:54,447 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 57 treesize of output 59 [2021-08-21 16:40:54,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-21 16:40:54,551 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 50 [2021-08-21 16:40:54,845 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 13 [2021-08-21 16:40:54,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-21 16:40:54,980 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2021-08-21 16:40:55,607 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-21 16:40:55,615 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-08-21 16:40:55,615 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 27 [2021-08-21 16:40:55,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-21 16:40:55,703 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2021-08-21 16:40:56,170 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 18 [2021-08-21 16:40:56,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-21 16:40:56,339 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2021-08-21 16:40:57,038 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-21 16:40:57,045 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-08-21 16:40:57,046 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 27 [2021-08-21 16:40:57,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-21 16:40:57,137 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2021-08-21 16:40:57,627 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 18 [2021-08-21 16:40:57,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-21 16:40:57,812 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2021-08-21 16:40:58,538 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-21 16:40:58,545 INFO L354 Elim1Store]: treesize reduction 23, result has 28.1 percent of original size [2021-08-21 16:40:58,545 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 27 [2021-08-21 16:40:58,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-21 16:40:58,615 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2021-08-21 16:40:59,062 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 18 [2021-08-21 16:40:59,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-21 16:40:59,225 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2021-08-21 16:40:59,916 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-21 16:40:59,924 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-08-21 16:40:59,924 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 27 [2021-08-21 16:41:00,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-21 16:41:00,020 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2021-08-21 16:41:00,322 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 18 [2021-08-21 16:41:00,474 INFO L354 Elim1Store]: treesize reduction 45, result has 16.7 percent of original size [2021-08-21 16:41:00,475 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 46 [2021-08-21 16:41:00,722 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-08-21 16:41:00,722 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 27 [2021-08-21 16:41:00,737 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-08-21 16:41:00,738 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 24 [2021-08-21 16:41:00,745 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2021-08-21 16:41:00,910 INFO L134 CoverageAnalysis]: Checked inductivity of 2753 backedges. 1538 proven. 1179 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-08-21 16:41:00,911 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1136968531] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 16:41:00,911 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-21 16:41:00,911 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 100] total 129 [2021-08-21 16:41:00,911 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283116782] [2021-08-21 16:41:00,912 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 129 states [2021-08-21 16:41:00,912 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 16:41:00,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 129 interpolants. [2021-08-21 16:41:00,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1062, Invalid=15450, Unknown=0, NotChecked=0, Total=16512 [2021-08-21 16:41:00,914 INFO L87 Difference]: Start difference. First operand 28222 states and 35405 transitions. Second operand has 129 states, 129 states have (on average 7.666666666666667) internal successors, (989), 129 states have internal predecessors, (989), 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) [2021-08-21 16:43:20,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 16:43:20,539 INFO L93 Difference]: Finished difference Result 72486 states and 90833 transitions. [2021-08-21 16:43:20,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 1398 states. [2021-08-21 16:43:20,540 INFO L78 Accepts]: Start accepts. Automaton has has 129 states, 129 states have (on average 7.666666666666667) internal successors, (989), 129 states have internal predecessors, (989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 564 [2021-08-21 16:43:20,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 16:43:20,678 INFO L225 Difference]: With dead ends: 72486 [2021-08-21 16:43:20,678 INFO L226 Difference]: Without dead ends: 72486 [2021-08-21 16:43:20,798 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2676 GetRequests, 1162 SyntacticMatches, 0 SemanticMatches, 1514 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1097553 ImplicationChecksByTransitivity, 130540.5ms TimeCoverageRelationStatistics Valid=119443, Invalid=2177297, Unknown=0, NotChecked=0, Total=2296740 [2021-08-21 16:43:20,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72486 states. [2021-08-21 16:43:21,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72486 to 55283. [2021-08-21 16:43:21,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55283 states, 55279 states have (on average 1.2602434921036922) internal successors, (69665), 55282 states have internal predecessors, (69665), 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) [2021-08-21 16:43:21,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55283 states to 55283 states and 69665 transitions. [2021-08-21 16:43:21,768 INFO L78 Accepts]: Start accepts. Automaton has 55283 states and 69665 transitions. Word has length 564 [2021-08-21 16:43:21,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 16:43:21,781 INFO L470 AbstractCegarLoop]: Abstraction has 55283 states and 69665 transitions. [2021-08-21 16:43:21,781 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 129 states, 129 states have (on average 7.666666666666667) internal successors, (989), 129 states have internal predecessors, (989), 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) [2021-08-21 16:43:21,781 INFO L276 IsEmpty]: Start isEmpty. Operand 55283 states and 69665 transitions. [2021-08-21 16:43:21,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 598 [2021-08-21 16:43:21,884 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 16:43:21,885 INFO L512 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 11, 11, 11, 11, 11, 11, 11, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-21 16:43:21,928 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2021-08-21 16:43:22,100 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 16:43:22,101 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-08-21 16:43:22,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 16:43:22,101 INFO L82 PathProgramCache]: Analyzing trace with hash 952631034, now seen corresponding path program 12 times [2021-08-21 16:43:22,101 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 16:43:22,102 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537458487] [2021-08-21 16:43:22,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 16:43:22,102 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 16:43:22,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 16:43:23,099 INFO L134 CoverageAnalysis]: Checked inductivity of 3192 backedges. 0 proven. 3192 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 16:43:23,099 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 16:43:23,099 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537458487] [2021-08-21 16:43:23,099 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537458487] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 16:43:23,099 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1209566534] [2021-08-21 16:43:23,100 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-08-21 16:43:23,100 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 16:43:23,100 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-21 16:43:23,101 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-21 16:43:23,102 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2021-08-21 16:43:27,195 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-08-21 16:43:27,195 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-21 16:43:27,200 INFO L263 TraceCheckSpWp]: Trace formula consists of 542 conjuncts, 88 conjunts are in the unsatisfiable core [2021-08-21 16:43:27,206 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-21 16:43:27,258 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-08-21 16:43:27,295 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-08-21 16:43:27,296 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2021-08-21 16:43:27,387 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-08-21 16:43:27,387 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2021-08-21 16:43:27,449 INFO L354 Elim1Store]: treesize reduction 28, result has 31.7 percent of original size [2021-08-21 16:43:27,449 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 29 treesize of output 33 [2021-08-21 16:43:28,642 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-08-21 16:43:28,738 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2021-08-21 16:43:29,085 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-21 16:43:29,092 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-08-21 16:43:29,092 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 31 [2021-08-21 16:43:29,210 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-08-21 16:43:29,210 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 27 [2021-08-21 16:43:29,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-21 16:43:29,301 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2021-08-21 16:43:29,338 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2021-08-21 16:43:30,157 INFO L134 CoverageAnalysis]: Checked inductivity of 3192 backedges. 1003 proven. 18 refuted. 0 times theorem prover too weak. 2171 trivial. 0 not checked. [2021-08-21 16:43:30,157 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1209566534] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 16:43:30,157 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-21 16:43:30,157 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 17] total 48 [2021-08-21 16:43:30,157 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623676499] [2021-08-21 16:43:30,158 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2021-08-21 16:43:30,158 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 16:43:30,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2021-08-21 16:43:30,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=340, Invalid=1916, Unknown=0, NotChecked=0, Total=2256 [2021-08-21 16:43:30,159 INFO L87 Difference]: Start difference. First operand 55283 states and 69665 transitions. Second operand has 48 states, 48 states have (on average 15.916666666666666) internal successors, (764), 48 states have internal predecessors, (764), 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) [2021-08-21 16:43:40,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 16:43:40,250 INFO L93 Difference]: Finished difference Result 76914 states and 96777 transitions. [2021-08-21 16:43:40,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 168 states. [2021-08-21 16:43:40,251 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 48 states have (on average 15.916666666666666) internal successors, (764), 48 states have internal predecessors, (764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 597 [2021-08-21 16:43:40,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 16:43:40,352 INFO L225 Difference]: With dead ends: 76914 [2021-08-21 16:43:40,352 INFO L226 Difference]: Without dead ends: 76914 [2021-08-21 16:43:40,354 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 793 GetRequests, 584 SyntacticMatches, 0 SemanticMatches, 209 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15874 ImplicationChecksByTransitivity, 9440.3ms TimeCoverageRelationStatistics Valid=10231, Invalid=34079, Unknown=0, NotChecked=0, Total=44310 [2021-08-21 16:43:40,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76914 states. [2021-08-21 16:43:41,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76914 to 66201. [2021-08-21 16:43:41,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66201 states, 66197 states have (on average 1.256008580449265) internal successors, (83144), 66200 states have internal predecessors, (83144), 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) [2021-08-21 16:43:41,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66201 states to 66201 states and 83144 transitions. [2021-08-21 16:43:41,274 INFO L78 Accepts]: Start accepts. Automaton has 66201 states and 83144 transitions. Word has length 597 [2021-08-21 16:43:41,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 16:43:41,274 INFO L470 AbstractCegarLoop]: Abstraction has 66201 states and 83144 transitions. [2021-08-21 16:43:41,275 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 15.916666666666666) internal successors, (764), 48 states have internal predecessors, (764), 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) [2021-08-21 16:43:41,275 INFO L276 IsEmpty]: Start isEmpty. Operand 66201 states and 83144 transitions. [2021-08-21 16:43:41,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 631 [2021-08-21 16:43:41,355 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 16:43:41,356 INFO L512 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 12, 12, 12, 12, 12, 12, 12, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-21 16:43:41,387 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2021-08-21 16:43:41,568 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 16:43:41,569 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-08-21 16:43:41,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 16:43:41,569 INFO L82 PathProgramCache]: Analyzing trace with hash -732966507, now seen corresponding path program 13 times [2021-08-21 16:43:41,570 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 16:43:41,570 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364281342] [2021-08-21 16:43:41,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 16:43:41,570 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 16:43:41,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 16:43:42,102 INFO L134 CoverageAnalysis]: Checked inductivity of 3664 backedges. 0 proven. 3664 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 16:43:42,102 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 16:43:42,102 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364281342] [2021-08-21 16:43:42,102 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1364281342] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 16:43:42,102 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [669852541] [2021-08-21 16:43:42,102 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-08-21 16:43:42,102 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 16:43:42,102 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-21 16:43:42,103 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-21 16:43:42,104 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2021-08-21 16:43:46,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 16:43:46,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 1142 conjuncts, 34 conjunts are in the unsatisfiable core [2021-08-21 16:43:46,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-21 16:43:47,925 INFO L134 CoverageAnalysis]: Checked inductivity of 3664 backedges. 0 proven. 3664 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 16:43:47,926 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [669852541] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 16:43:47,926 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-21 16:43:47,926 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 35] total 37 [2021-08-21 16:43:47,927 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295280993] [2021-08-21 16:43:47,928 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2021-08-21 16:43:47,928 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 16:43:47,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-08-21 16:43:47,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=360, Invalid=972, Unknown=0, NotChecked=0, Total=1332 [2021-08-21 16:43:47,928 INFO L87 Difference]: Start difference. First operand 66201 states and 83144 transitions. Second operand has 37 states, 37 states have (on average 17.91891891891892) internal successors, (663), 37 states have internal predecessors, (663), 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) [2021-08-21 16:43:48,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 16:43:48,689 INFO L93 Difference]: Finished difference Result 78016 states and 97915 transitions. [2021-08-21 16:43:48,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-08-21 16:43:48,689 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 17.91891891891892) internal successors, (663), 37 states have internal predecessors, (663), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 630 [2021-08-21 16:43:48,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 16:43:48,788 INFO L225 Difference]: With dead ends: 78016 [2021-08-21 16:43:48,788 INFO L226 Difference]: Without dead ends: 78016 [2021-08-21 16:43:48,789 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 696 GetRequests, 629 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 884 ImplicationChecksByTransitivity, 829.2ms TimeCoverageRelationStatistics Valid=1483, Invalid=3209, Unknown=0, NotChecked=0, Total=4692 [2021-08-21 16:43:48,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78016 states. [2021-08-21 16:43:50,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78016 to 71984. [2021-08-21 16:43:50,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71984 states, 71980 states have (on average 1.255973881633787) internal successors, (90405), 71983 states have internal predecessors, (90405), 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) [2021-08-21 16:43:50,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71984 states to 71984 states and 90405 transitions. [2021-08-21 16:43:50,292 INFO L78 Accepts]: Start accepts. Automaton has 71984 states and 90405 transitions. Word has length 630 [2021-08-21 16:43:50,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 16:43:50,292 INFO L470 AbstractCegarLoop]: Abstraction has 71984 states and 90405 transitions. [2021-08-21 16:43:50,296 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 17.91891891891892) internal successors, (663), 37 states have internal predecessors, (663), 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) [2021-08-21 16:43:50,296 INFO L276 IsEmpty]: Start isEmpty. Operand 71984 states and 90405 transitions. [2021-08-21 16:43:50,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 664 [2021-08-21 16:43:50,799 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 16:43:50,799 INFO L512 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 13, 13, 13, 13, 13, 13, 13, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-21 16:43:50,877 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2021-08-21 16:43:51,028 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 16:43:51,029 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-08-21 16:43:51,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 16:43:51,030 INFO L82 PathProgramCache]: Analyzing trace with hash 238052144, now seen corresponding path program 14 times [2021-08-21 16:43:51,030 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 16:43:51,030 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055220777] [2021-08-21 16:43:51,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 16:43:51,030 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 16:43:51,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 16:43:51,883 INFO L134 CoverageAnalysis]: Checked inductivity of 4169 backedges. 0 proven. 4169 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 16:43:51,884 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 16:43:51,884 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055220777] [2021-08-21 16:43:51,884 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055220777] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 16:43:51,884 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [371739213] [2021-08-21 16:43:51,884 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-21 16:43:51,884 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 16:43:51,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-21 16:43:51,885 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-21 16:43:51,886 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2021-08-21 16:43:55,750 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-21 16:43:55,751 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-21 16:43:55,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 1197 conjuncts, 36 conjunts are in the unsatisfiable core [2021-08-21 16:43:55,759 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-21 16:43:57,291 INFO L134 CoverageAnalysis]: Checked inductivity of 4169 backedges. 0 proven. 4169 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 16:43:57,292 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [371739213] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 16:43:57,292 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-21 16:43:57,292 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 37] total 39 [2021-08-21 16:43:57,292 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244675891] [2021-08-21 16:43:57,293 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2021-08-21 16:43:57,293 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 16:43:57,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-08-21 16:43:57,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=399, Invalid=1083, Unknown=0, NotChecked=0, Total=1482 [2021-08-21 16:43:57,293 INFO L87 Difference]: Start difference. First operand 71984 states and 90405 transitions. Second operand has 39 states, 39 states have (on average 17.846153846153847) internal successors, (696), 39 states have internal predecessors, (696), 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) [2021-08-21 16:43:58,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 16:43:58,267 INFO L93 Difference]: Finished difference Result 83799 states and 105176 transitions. [2021-08-21 16:43:58,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-08-21 16:43:58,268 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 39 states have (on average 17.846153846153847) internal successors, (696), 39 states have internal predecessors, (696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 663 [2021-08-21 16:43:58,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 16:43:58,391 INFO L225 Difference]: With dead ends: 83799 [2021-08-21 16:43:58,391 INFO L226 Difference]: Without dead ends: 83799 [2021-08-21 16:43:58,391 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 733 GetRequests, 662 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 991 ImplicationChecksByTransitivity, 1310.0ms TimeCoverageRelationStatistics Valid=1660, Invalid=3596, Unknown=0, NotChecked=0, Total=5256 [2021-08-21 16:43:58,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83799 states. [2021-08-21 16:43:59,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83799 to 77767. [2021-08-21 16:43:59,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77767 states, 77763 states have (on average 1.2559443437110194) internal successors, (97666), 77766 states have internal predecessors, (97666), 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) [2021-08-21 16:43:59,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77767 states to 77767 states and 97666 transitions. [2021-08-21 16:43:59,770 INFO L78 Accepts]: Start accepts. Automaton has 77767 states and 97666 transitions. Word has length 663 [2021-08-21 16:43:59,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 16:43:59,770 INFO L470 AbstractCegarLoop]: Abstraction has 77767 states and 97666 transitions. [2021-08-21 16:43:59,770 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 17.846153846153847) internal successors, (696), 39 states have internal predecessors, (696), 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) [2021-08-21 16:43:59,770 INFO L276 IsEmpty]: Start isEmpty. Operand 77767 states and 97666 transitions. [2021-08-21 16:44:00,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 697 [2021-08-21 16:44:00,154 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 16:44:00,154 INFO L512 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 14, 14, 14, 14, 14, 14, 14, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-21 16:44:00,184 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2021-08-21 16:44:00,368 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 16:44:00,369 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-08-21 16:44:00,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 16:44:00,369 INFO L82 PathProgramCache]: Analyzing trace with hash -1868451595, now seen corresponding path program 15 times [2021-08-21 16:44:00,369 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 16:44:00,370 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973043429] [2021-08-21 16:44:00,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 16:44:00,370 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 16:44:00,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 16:44:01,231 INFO L134 CoverageAnalysis]: Checked inductivity of 4707 backedges. 0 proven. 4707 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 16:44:01,231 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 16:44:01,231 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973043429] [2021-08-21 16:44:01,231 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1973043429] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-21 16:44:01,231 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1672122216] [2021-08-21 16:44:01,232 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-21 16:44:01,232 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 16:44:01,232 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-21 16:44:01,232 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-21 16:44:01,264 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process Received shutdown request... [2021-08-21 16:51:41,471 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-08-21 16:51:41,480 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-08-21 16:51:42,528 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 [2021-08-21 16:51:42,672 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forcibly destroying the process [2021-08-21 16:51:42,709 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-08-21 16:51:42,709 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-08-21 16:51:42,709 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39] total 39 [2021-08-21 16:51:42,709 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112952161] [2021-08-21 16:51:42,709 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2021-08-21 16:51:42,709 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 16:51:42,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-08-21 16:51:42,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=399, Invalid=1083, Unknown=0, NotChecked=0, Total=1482 [2021-08-21 16:51:42,710 INFO L87 Difference]: Start difference. First operand 77767 states and 97666 transitions. Second operand has 39 states, 39 states have (on average 17.846153846153847) internal successors, (696), 39 states have internal predecessors, (696), 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) [2021-08-21 16:51:42,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-21 16:51:42,712 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location t2Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-21 16:51:42,749 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 137 [2021-08-21 16:51:42,749 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-21 16:51:42,750 WARN L594 AbstractCegarLoop]: Verification canceled: while BasicCegarLoop was constructing difference of abstraction (77767states) and FLOYD_HOARE automaton (currently 2 states, 39 states before enhancement),while ReachableStatesComputation was computing reachable states (1 states constructed, input type IntersectNwa). [2021-08-21 16:51:42,752 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-21 16:51:42,752 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-21 16:51:42,752 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-21 16:51:42,752 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location t2Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-21 16:51:42,755 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-21 16:51:42,755 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-21 16:51:42,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 04:51:42 BasicIcfg [2021-08-21 16:51:42,756 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-21 16:51:42,759 INFO L168 Benchmark]: Toolchain (without parser) took 863198.45 ms. Allocated memory was 183.5 MB in the beginning and 5.9 GB in the end (delta: 5.7 GB). Free memory was 146.5 MB in the beginning and 4.7 GB in the end (delta: -4.6 GB). Peak memory consumption was 1.1 GB. Max. memory is 8.0 GB. [2021-08-21 16:51:42,759 INFO L168 Benchmark]: CDTParser took 0.48 ms. Allocated memory is still 183.5 MB. Free memory was 165.4 MB in the beginning and 165.3 MB in the end (delta: 147.8 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-08-21 16:51:42,759 INFO L168 Benchmark]: CACSL2BoogieTranslator took 424.19 ms. Allocated memory is still 183.5 MB. Free memory was 146.4 MB in the beginning and 146.8 MB in the end (delta: -446.2 kB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-08-21 16:51:42,759 INFO L168 Benchmark]: Boogie Procedure Inliner took 68.68 ms. Allocated memory is still 183.5 MB. Free memory was 146.8 MB in the beginning and 144.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-21 16:51:42,759 INFO L168 Benchmark]: Boogie Preprocessor took 30.70 ms. Allocated memory is still 183.5 MB. Free memory was 144.2 MB in the beginning and 142.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-21 16:51:42,759 INFO L168 Benchmark]: RCFGBuilder took 518.06 ms. Allocated memory is still 183.5 MB. Free memory was 142.1 MB in the beginning and 99.1 MB in the end (delta: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 8.0 GB. [2021-08-21 16:51:42,763 INFO L168 Benchmark]: TraceAbstraction took 862152.95 ms. Allocated memory was 183.5 MB in the beginning and 5.9 GB in the end (delta: 5.7 GB). Free memory was 98.6 MB in the beginning and 4.7 GB in the end (delta: -4.6 GB). Peak memory consumption was 1.0 GB. Max. memory is 8.0 GB. [2021-08-21 16:51:42,764 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48 ms. Allocated memory is still 183.5 MB. Free memory was 165.4 MB in the beginning and 165.3 MB in the end (delta: 147.8 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 424.19 ms. Allocated memory is still 183.5 MB. Free memory was 146.4 MB in the beginning and 146.8 MB in the end (delta: -446.2 kB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 68.68 ms. Allocated memory is still 183.5 MB. Free memory was 146.8 MB in the beginning and 144.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 30.70 ms. Allocated memory is still 183.5 MB. Free memory was 144.2 MB in the beginning and 142.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 518.06 ms. Allocated memory is still 183.5 MB. Free memory was 142.1 MB in the beginning and 99.1 MB in the end (delta: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 862152.95 ms. Allocated memory was 183.5 MB in the beginning and 5.9 GB in the end (delta: 5.7 GB). Free memory was 98.6 MB in the beginning and 4.7 GB in the end (delta: -4.6 GB). Peak memory consumption was 1.0 GB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 28944, positive: 26696, positive conditional: 26696, positive unconditional: 0, negative: 2248, negative conditional: 2248, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 27346, positive: 26696, positive conditional: 0, positive unconditional: 26696, negative: 650, negative conditional: 0, negative unconditional: 650, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4479, positive: 4391, positive conditional: 0, positive unconditional: 4391, negative: 88, negative conditional: 0, negative unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4479, positive: 4389, positive conditional: 0, positive unconditional: 4389, negative: 90, negative conditional: 0, negative unconditional: 90, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 90, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 88, negative conditional: 0, negative unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 200, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 187, negative conditional: 0, negative unconditional: 187, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 27346, positive: 22305, positive conditional: 0, positive unconditional: 22305, negative: 562, negative conditional: 0, negative unconditional: 562, unknown: 4479, unknown conditional: 0, unknown unconditional: 4479] , Statistics on independence cache: Total cache size (in pairs): 4479, Positive cache size: 4391, Positive conditional cache size: 0, Positive unconditional cache size: 4391, Negative cache size: 88, Negative conditional cache size: 0, Negative unconditional cache size: 88, Independence queries for same thread: 1598 - 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 - TimeoutResultAtElement [Line: 1033]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while BasicCegarLoop was constructing difference of abstraction (77767states) and FLOYD_HOARE automaton (currently 2 states, 39 states before enhancement),while ReachableStatesComputation was computing reachable states (1 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 1049]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while BasicCegarLoop was constructing difference of abstraction (77767states) and FLOYD_HOARE automaton (currently 2 states, 39 states before enhancement),while ReachableStatesComputation was computing reachable states (1 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 1053]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was constructing difference of abstraction (77767states) and FLOYD_HOARE automaton (currently 2 states, 39 states before enhancement),while ReachableStatesComputation was computing reachable states (1 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 1052]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was constructing difference of abstraction (77767states) and FLOYD_HOARE automaton (currently 2 states, 39 states before enhancement),while ReachableStatesComputation was computing reachable states (1 states constructed, input type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 324 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 862001.5ms, OverallIterations: 23, TraceHistogramMax: 18, EmptinessCheckTime: 1538.6ms, AutomataDifference: 218570.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 968.1ms, PartialOrderReductionTime: 953.9ms, HoareTripleCheckerStatistics: 4923 SDtfs, 86275 SDslu, 72234 SDs, 0 SdLazy, 32969 SolverSat, 10582 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 19474.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11071 GetRequests, 7609 SyntacticMatches, 0 SemanticMatches, 3462 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1344780 ImplicationChecksByTransitivity, 202431.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=77767occurred in iteration=22, InterpolantAutomatonStates: 2986, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 8179.9ms AutomataMinimizationTime, 22 MinimizatonAttempts, 75201 StatesRemovedByMinimization, 18 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 767.6ms SsaConstructionTime, 84667.3ms SatisfiabilityAnalysisTime, 54557.6ms InterpolantComputationTime, 15004 NumberOfCodeBlocks, 13967 NumberOfCodeBlocksAsserted, 87 NumberOfCheckSat, 14963 ConstructedInterpolants, 6 QuantifiedInterpolants, 69102 SizeOfPredicates, 556 NumberOfNonLiveVariables, 11329 ConjunctsInSsa, 961 ConjunctsInUnsatCore, 41 InterpolantComputations, 5 PerfectInterpolantSequences, 8363/53811 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown