/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-lit/sssc12_variant.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a [2022-02-18 18:48:59,683 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-18 18:48:59,685 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-18 18:48:59,714 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-18 18:48:59,743 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-18 18:48:59,743 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-18 18:48:59,744 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-18 18:48:59,745 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe.epf [2022-02-18 18:48:59,763 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-18 18:48:59,764 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-18 18:48:59,764 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-18 18:48:59,764 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-18 18:48:59,765 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-18 18:48:59,765 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-18 18:48:59,766 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-18 18:48:59,766 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-18 18:48:59,766 INFO L138 SettingsManager]: * Use SBE=true [2022-02-18 18:48:59,766 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-18 18:48:59,766 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-18 18:48:59,766 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-18 18:48:59,767 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-18 18:48:59,767 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-18 18:48:59,767 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-18 18:48:59,767 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-18 18:48:59,767 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-18 18:48:59,767 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-18 18:48:59,767 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-18 18:48:59,768 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-18 18:48:59,768 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-18 18:48:59,768 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-18 18:48:59,768 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-18 18:48:59,768 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-18 18:48:59,768 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-18 18:48:59,768 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-18 18:48:59,769 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-18 18:48:59,769 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-18 18:48:59,769 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-18 18:48:59,769 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-18 18:48:59,769 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-18 18:48:59,769 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-18 18:48:59,769 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-18 18:48:59,769 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-18 18:48:59,770 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-18 18:48:59,770 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-02-18 18:48:59,770 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-18 18:48:59,988 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-18 18:49:00,006 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-18 18:49:00,008 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-18 18:49:00,009 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-18 18:49:00,013 INFO L275 PluginConnector]: CDTParser initialized [2022-02-18 18:49:00,014 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-lit/sssc12_variant.i [2022-02-18 18:49:00,086 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08fddbe87/66382875919f44008a5e70b8174dbfcd/FLAG62ea44223 [2022-02-18 18:49:00,612 INFO L306 CDTParser]: Found 1 translation units. [2022-02-18 18:49:00,613 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-lit/sssc12_variant.i [2022-02-18 18:49:00,636 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08fddbe87/66382875919f44008a5e70b8174dbfcd/FLAG62ea44223 [2022-02-18 18:49:00,901 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08fddbe87/66382875919f44008a5e70b8174dbfcd [2022-02-18 18:49:00,904 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-18 18:49:00,905 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-18 18:49:00,906 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-18 18:49:00,906 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-18 18:49:00,910 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-18 18:49:00,919 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 06:49:00" (1/1) ... [2022-02-18 18:49:00,920 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11ae3913 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 06:49:00, skipping insertion in model container [2022-02-18 18:49:00,921 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 06:49:00" (1/1) ... [2022-02-18 18:49:00,927 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-18 18:49:00,983 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-18 18:49:01,344 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-lit/sssc12_variant.i[46865,46878] [2022-02-18 18:49:01,370 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-18 18:49:01,378 INFO L203 MainTranslator]: Completed pre-run [2022-02-18 18:49:01,411 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-lit/sssc12_variant.i[46865,46878] [2022-02-18 18:49:01,416 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-18 18:49:01,467 INFO L208 MainTranslator]: Completed translation [2022-02-18 18:49:01,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 06:49:01 WrapperNode [2022-02-18 18:49:01,468 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-18 18:49:01,469 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-18 18:49:01,469 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-18 18:49:01,469 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-18 18:49:01,476 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 06:49:01" (1/1) ... [2022-02-18 18:49:01,504 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 06:49:01" (1/1) ... [2022-02-18 18:49:01,539 INFO L137 Inliner]: procedures = 275, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 87 [2022-02-18 18:49:01,539 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-18 18:49:01,540 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-18 18:49:01,540 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-18 18:49:01,540 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-18 18:49:01,546 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 06:49:01" (1/1) ... [2022-02-18 18:49:01,547 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 06:49:01" (1/1) ... [2022-02-18 18:49:01,561 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 06:49:01" (1/1) ... [2022-02-18 18:49:01,561 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 06:49:01" (1/1) ... [2022-02-18 18:49:01,566 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 06:49:01" (1/1) ... [2022-02-18 18:49:01,569 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 06:49:01" (1/1) ... [2022-02-18 18:49:01,570 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 06:49:01" (1/1) ... [2022-02-18 18:49:01,589 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-18 18:49:01,590 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-18 18:49:01,590 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-18 18:49:01,590 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-18 18:49:01,593 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 06:49:01" (1/1) ... [2022-02-18 18:49:01,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-18 18:49:01,608 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 18:49:01,620 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) [2022-02-18 18:49:01,647 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 [2022-02-18 18:49:01,662 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-02-18 18:49:01,662 INFO L130 BoogieDeclarations]: Found specification of procedure thr [2022-02-18 18:49:01,662 INFO L138 BoogieDeclarations]: Found implementation of procedure thr [2022-02-18 18:49:01,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-18 18:49:01,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-18 18:49:01,663 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-02-18 18:49:01,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-18 18:49:01,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-18 18:49:01,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-02-18 18:49:01,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-18 18:49:01,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-18 18:49:01,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-18 18:49:01,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-18 18:49:01,665 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-18 18:49:01,818 INFO L234 CfgBuilder]: Building ICFG [2022-02-18 18:49:01,820 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-18 18:49:01,984 INFO L275 CfgBuilder]: Performing block encoding [2022-02-18 18:49:02,013 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-18 18:49:02,013 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-02-18 18:49:02,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 06:49:02 BoogieIcfgContainer [2022-02-18 18:49:02,016 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-18 18:49:02,017 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-18 18:49:02,018 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-18 18:49:02,021 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-18 18:49:02,021 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.02 06:49:00" (1/3) ... [2022-02-18 18:49:02,022 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@372a516d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 06:49:02, skipping insertion in model container [2022-02-18 18:49:02,022 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 06:49:01" (2/3) ... [2022-02-18 18:49:02,023 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@372a516d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 06:49:02, skipping insertion in model container [2022-02-18 18:49:02,023 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 06:49:02" (3/3) ... [2022-02-18 18:49:02,024 INFO L111 eAbstractionObserver]: Analyzing ICFG sssc12_variant.i [2022-02-18 18:49:02,029 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-18 18:49:02,030 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-18 18:49:02,030 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-18 18:49:02,030 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-18 18:49:02,077 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:02,077 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:02,077 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:02,077 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:02,078 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:02,078 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:02,078 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:02,078 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:02,078 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:02,078 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:02,079 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:02,079 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:02,079 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:02,079 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:02,079 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:02,079 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:02,080 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:02,080 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:02,080 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:02,080 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:02,081 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:02,081 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:02,082 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:02,082 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:02,082 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:02,082 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:02,082 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:02,083 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:02,083 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:02,083 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:02,083 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:02,083 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:02,084 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:02,084 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:02,084 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:02,084 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:02,084 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:02,085 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:02,085 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:02,085 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:02,085 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:02,085 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:02,085 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:02,086 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:02,086 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:02,087 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:02,087 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:02,088 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:02,088 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:02,088 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:02,089 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:02,089 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:02,089 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:02,089 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:02,089 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:02,089 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:02,090 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:02,090 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:02,090 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:02,090 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:02,090 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:02,090 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:02,090 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:02,091 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:02,091 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:02,091 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:02,091 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:02,091 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:02,092 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:02,092 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:02,095 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:02,095 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:02,096 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:02,096 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:02,096 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:02,096 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:02,096 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:02,097 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:02,097 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:02,097 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:02,097 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:02,098 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-02-18 18:49:02,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-18 18:49:02,139 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 18:49:02,143 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-18 18:49:02,148 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-02-18 18:49:02,173 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-18 18:49:02,178 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, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, 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, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-02-18 18:49:02,178 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-02-18 18:49:02,240 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-18 18:49:02,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 18:49:02,250 INFO L85 PathProgramCache]: Analyzing trace with hash -557869801, now seen corresponding path program 1 times [2022-02-18 18:49:02,260 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 18:49:02,261 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343100662] [2022-02-18 18:49:02,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 18:49:02,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 18:49:02,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 18:49:02,513 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-18 18:49:02,514 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 18:49:02,514 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343100662] [2022-02-18 18:49:02,515 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343100662] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 18:49:02,516 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 18:49:02,516 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-18 18:49:02,518 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463824653] [2022-02-18 18:49:02,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 18:49:02,523 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-18 18:49:02,523 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 18:49:02,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-18 18:49:02,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-18 18:49:02,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:49:02,556 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 18:49:02,557 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 37.0) internal successors, (74), 2 states have internal predecessors, (74), 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) [2022-02-18 18:49:02,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:49:02,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:49:02,588 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-18 18:49:02,588 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-18 18:49:02,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 18:49:02,589 INFO L85 PathProgramCache]: Analyzing trace with hash 1882743449, now seen corresponding path program 1 times [2022-02-18 18:49:02,590 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 18:49:02,590 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486951088] [2022-02-18 18:49:02,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 18:49:02,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 18:49:02,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 18:49:02,791 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-02-18 18:49:02,791 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 18:49:02,792 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486951088] [2022-02-18 18:49:02,792 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [486951088] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 18:49:02,792 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 18:49:02,792 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-18 18:49:02,792 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949952173] [2022-02-18 18:49:02,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 18:49:02,794 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-18 18:49:02,794 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 18:49:02,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-18 18:49:02,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-02-18 18:49:02,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:49:02,795 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 18:49:02,795 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 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) [2022-02-18 18:49:02,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:49:02,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:49:02,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:49:02,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-18 18:49:02,895 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-18 18:49:02,895 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-18 18:49:02,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 18:49:02,896 INFO L85 PathProgramCache]: Analyzing trace with hash 1249057103, now seen corresponding path program 1 times [2022-02-18 18:49:02,896 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 18:49:02,896 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232820334] [2022-02-18 18:49:02,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 18:49:02,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 18:49:02,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 18:49:03,053 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-02-18 18:49:03,053 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 18:49:03,053 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232820334] [2022-02-18 18:49:03,053 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232820334] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 18:49:03,054 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 18:49:03,054 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-18 18:49:03,054 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010206797] [2022-02-18 18:49:03,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 18:49:03,055 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-18 18:49:03,055 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 18:49:03,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-18 18:49:03,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-18 18:49:03,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:49:03,056 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 18:49:03,056 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 18:49:03,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:49:03,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-18 18:49:03,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:49:03,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:49:03,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-18 18:49:03,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:49:03,181 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-18 18:49:03,182 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-18 18:49:03,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 18:49:03,182 INFO L85 PathProgramCache]: Analyzing trace with hash -41667774, now seen corresponding path program 1 times [2022-02-18 18:49:03,183 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 18:49:03,183 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680348717] [2022-02-18 18:49:03,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 18:49:03,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 18:49:03,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 18:49:03,320 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-02-18 18:49:03,320 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 18:49:03,320 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680348717] [2022-02-18 18:49:03,320 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [680348717] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 18:49:03,321 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [544958422] [2022-02-18 18:49:03,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 18:49:03,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 18:49:03,321 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 18:49:03,324 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) [2022-02-18 18:49:03,326 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-18 18:49:03,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 18:49:03,486 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 4 conjunts are in the unsatisfiable core [2022-02-18 18:49:03,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 18:49:03,756 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-02-18 18:49:03,757 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 18:49:03,900 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-02-18 18:49:03,902 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [544958422] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 18:49:03,902 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 18:49:03,903 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2022-02-18 18:49:03,903 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805067734] [2022-02-18 18:49:03,903 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 18:49:03,906 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-18 18:49:03,906 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 18:49:03,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-18 18:49:03,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2022-02-18 18:49:03,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:49:03,908 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 18:49:03,908 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 12.545454545454545) internal successors, (138), 11 states have internal predecessors, (138), 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) [2022-02-18 18:49:03,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:49:03,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-18 18:49:03,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:49:03,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:49:04,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:49:04,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-18 18:49:04,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:49:04,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-18 18:49:04,120 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-02-18 18:49:04,311 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,SelfDestructingSolverStorable3 [2022-02-18 18:49:04,312 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-18 18:49:04,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 18:49:04,312 INFO L85 PathProgramCache]: Analyzing trace with hash -733715395, now seen corresponding path program 2 times [2022-02-18 18:49:04,313 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 18:49:04,313 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440989774] [2022-02-18 18:49:04,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 18:49:04,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 18:49:04,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 18:49:04,542 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 1 proven. 76 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-02-18 18:49:04,543 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 18:49:04,543 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440989774] [2022-02-18 18:49:04,543 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440989774] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 18:49:04,543 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1255617949] [2022-02-18 18:49:04,544 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-18 18:49:04,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 18:49:04,544 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 18:49:04,545 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) [2022-02-18 18:49:04,547 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-18 18:49:04,656 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-18 18:49:04,657 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-18 18:49:04,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 7 conjunts are in the unsatisfiable core [2022-02-18 18:49:04,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 18:49:04,881 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 1 proven. 76 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-02-18 18:49:04,882 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 18:49:05,098 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 1 proven. 76 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-02-18 18:49:05,099 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1255617949] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 18:49:05,099 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 18:49:05,099 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 17 [2022-02-18 18:49:05,100 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930629790] [2022-02-18 18:49:05,100 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 18:49:05,101 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-18 18:49:05,101 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 18:49:05,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-18 18:49:05,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2022-02-18 18:49:05,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:49:05,103 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 18:49:05,104 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.352941176470589) internal successors, (210), 17 states have internal predecessors, (210), 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) [2022-02-18 18:49:05,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:49:05,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-18 18:49:05,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:49:05,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-18 18:49:05,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:49:05,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:49:05,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-18 18:49:05,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:49:05,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-18 18:49:05,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-18 18:49:05,294 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-18 18:49:05,489 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 18:49:05,490 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-18 18:49:05,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 18:49:05,490 INFO L85 PathProgramCache]: Analyzing trace with hash -2097897037, now seen corresponding path program 3 times [2022-02-18 18:49:05,490 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 18:49:05,491 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321536498] [2022-02-18 18:49:05,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 18:49:05,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 18:49:05,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-18 18:49:05,547 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-18 18:49:05,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-18 18:49:05,643 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-18 18:49:05,643 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-18 18:49:05,644 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 3 remaining) [2022-02-18 18:49:05,648 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2022-02-18 18:49:05,648 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2022-02-18 18:49:05,648 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-02-18 18:49:05,654 INFO L732 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1] [2022-02-18 18:49:05,655 WARN L235 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2022-02-18 18:49:05,655 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2022-02-18 18:49:05,664 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,664 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,664 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,665 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,665 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,665 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,665 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,665 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,665 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,665 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,666 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,666 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,666 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,666 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,666 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,666 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,666 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,666 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,667 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,667 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,667 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,667 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,667 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,668 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,668 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,668 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,668 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,668 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,668 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,669 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,669 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,669 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,669 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,669 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,669 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,669 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,669 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,670 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,670 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,670 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,670 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,670 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,670 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,670 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,670 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,671 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,671 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,671 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,671 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,671 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,671 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,672 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,672 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,672 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,672 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,672 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,672 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,672 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,673 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,673 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,673 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,673 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,673 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,673 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,673 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,673 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,674 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,674 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,674 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,674 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,674 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,674 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,675 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,675 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,675 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,675 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,675 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,675 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,675 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,675 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,675 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,676 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,676 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,676 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,676 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,676 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,676 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,676 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,676 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,676 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,677 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,677 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,677 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,677 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,677 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,678 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,678 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,678 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,678 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,678 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,678 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,678 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,679 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,679 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,679 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,679 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,679 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,679 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,679 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,679 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,679 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,680 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,680 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,680 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,680 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,680 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,680 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,681 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,681 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,681 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,681 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,681 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,681 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,681 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,681 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,682 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,682 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,682 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,682 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,682 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,682 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,682 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,682 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,682 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,682 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,683 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,683 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,683 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,683 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,683 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,683 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,684 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,684 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,684 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,684 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,684 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,684 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,684 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,684 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,684 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,684 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,685 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,685 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,685 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,685 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,685 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,685 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,686 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,686 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,686 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,686 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,686 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:05,686 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-02-18 18:49:05,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-18 18:49:05,688 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 18:49:05,689 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-18 18:49:05,690 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Waiting until timeout for monitored process [2022-02-18 18:49:05,692 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-18 18:49:05,693 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, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, 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, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-02-18 18:49:05,693 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-02-18 18:49:05,702 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-18 18:49:05,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 18:49:05,703 INFO L85 PathProgramCache]: Analyzing trace with hash 2073364607, now seen corresponding path program 1 times [2022-02-18 18:49:05,703 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 18:49:05,703 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711975817] [2022-02-18 18:49:05,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 18:49:05,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 18:49:05,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 18:49:05,722 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-18 18:49:05,722 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 18:49:05,722 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711975817] [2022-02-18 18:49:05,723 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1711975817] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 18:49:05,723 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 18:49:05,723 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-18 18:49:05,723 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155111548] [2022-02-18 18:49:05,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 18:49:05,723 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-18 18:49:05,723 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 18:49:05,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-18 18:49:05,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-18 18:49:05,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:49:05,724 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 18:49:05,724 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 37.0) internal successors, (74), 2 states have internal predecessors, (74), 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) [2022-02-18 18:49:05,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:49:05,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:49:05,739 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-02-18 18:49:05,739 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-18 18:49:05,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 18:49:05,739 INFO L85 PathProgramCache]: Analyzing trace with hash -376279116, now seen corresponding path program 1 times [2022-02-18 18:49:05,739 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 18:49:05,740 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62184239] [2022-02-18 18:49:05,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 18:49:05,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 18:49:05,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 18:49:05,778 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-02-18 18:49:05,778 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 18:49:05,778 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62184239] [2022-02-18 18:49:05,778 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [62184239] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 18:49:05,778 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 18:49:05,779 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-18 18:49:05,779 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416353335] [2022-02-18 18:49:05,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 18:49:05,779 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-18 18:49:05,779 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 18:49:05,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-18 18:49:05,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-18 18:49:05,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:49:05,780 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 18:49:05,780 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 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) [2022-02-18 18:49:05,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:49:05,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:49:05,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:49:05,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:49:05,814 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-02-18 18:49:05,815 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-18 18:49:05,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 18:49:05,815 INFO L85 PathProgramCache]: Analyzing trace with hash -1985919002, now seen corresponding path program 1 times [2022-02-18 18:49:05,815 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 18:49:05,815 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78729558] [2022-02-18 18:49:05,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 18:49:05,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 18:49:05,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 18:49:05,866 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-02-18 18:49:05,866 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 18:49:05,866 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78729558] [2022-02-18 18:49:05,867 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [78729558] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 18:49:05,867 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 18:49:05,867 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-18 18:49:05,867 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904483807] [2022-02-18 18:49:05,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 18:49:05,867 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-18 18:49:05,868 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 18:49:05,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-18 18:49:05,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-18 18:49:05,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:49:05,868 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 18:49:05,868 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 6 states have internal predecessors, (85), 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) [2022-02-18 18:49:05,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:49:05,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:49:05,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:49:05,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:49:05,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:49:05,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:49:05,957 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-02-18 18:49:05,957 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-18 18:49:05,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 18:49:05,958 INFO L85 PathProgramCache]: Analyzing trace with hash 286182301, now seen corresponding path program 1 times [2022-02-18 18:49:05,958 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 18:49:05,958 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795062910] [2022-02-18 18:49:05,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 18:49:05,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 18:49:05,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 18:49:06,013 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-02-18 18:49:06,013 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 18:49:06,014 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795062910] [2022-02-18 18:49:06,014 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795062910] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 18:49:06,014 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 18:49:06,014 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-18 18:49:06,014 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167411257] [2022-02-18 18:49:06,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 18:49:06,014 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-18 18:49:06,014 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 18:49:06,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-18 18:49:06,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-02-18 18:49:06,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:49:06,015 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 18:49:06,015 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.4) internal successors, (97), 5 states have internal predecessors, (97), 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) [2022-02-18 18:49:06,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:49:06,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:49:06,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:49:06,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:49:06,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:49:06,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:49:06,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:49:06,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-18 18:49:06,057 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-02-18 18:49:06,058 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-18 18:49:06,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 18:49:06,058 INFO L85 PathProgramCache]: Analyzing trace with hash -221492817, now seen corresponding path program 1 times [2022-02-18 18:49:06,058 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 18:49:06,058 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031827614] [2022-02-18 18:49:06,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 18:49:06,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 18:49:06,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 18:49:06,106 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-02-18 18:49:06,107 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 18:49:06,107 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031827614] [2022-02-18 18:49:06,107 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1031827614] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 18:49:06,107 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 18:49:06,107 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-18 18:49:06,107 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711450356] [2022-02-18 18:49:06,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 18:49:06,108 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-18 18:49:06,108 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 18:49:06,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-18 18:49:06,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-18 18:49:06,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:49:06,109 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 18:49:06,109 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 18:49:06,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:49:06,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:49:06,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:49:06,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-18 18:49:06,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:49:06,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:49:06,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:49:06,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:49:06,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-18 18:49:06,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:49:06,206 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-02-18 18:49:06,206 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-18 18:49:06,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 18:49:06,207 INFO L85 PathProgramCache]: Analyzing trace with hash -1311680556, now seen corresponding path program 1 times [2022-02-18 18:49:06,207 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 18:49:06,207 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309591963] [2022-02-18 18:49:06,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 18:49:06,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 18:49:06,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 18:49:06,288 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-02-18 18:49:06,288 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 18:49:06,288 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309591963] [2022-02-18 18:49:06,288 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1309591963] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 18:49:06,288 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1829282498] [2022-02-18 18:49:06,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 18:49:06,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 18:49:06,289 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 18:49:06,291 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) [2022-02-18 18:49:06,317 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-18 18:49:06,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 18:49:06,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 4 conjunts are in the unsatisfiable core [2022-02-18 18:49:06,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 18:49:06,553 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-02-18 18:49:06,554 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 18:49:06,721 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-02-18 18:49:06,721 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1829282498] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 18:49:06,721 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 18:49:06,721 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2022-02-18 18:49:06,721 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285913406] [2022-02-18 18:49:06,722 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 18:49:06,722 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-18 18:49:06,722 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 18:49:06,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-18 18:49:06,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2022-02-18 18:49:06,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:49:06,724 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 18:49:06,724 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 15.909090909090908) internal successors, (175), 11 states have internal predecessors, (175), 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) [2022-02-18 18:49:06,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:49:06,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:49:06,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:49:06,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-18 18:49:06,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:49:06,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:49:06,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:49:06,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:49:06,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:49:06,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-18 18:49:06,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:49:06,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-18 18:49:06,862 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-18 18:49:07,059 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-02-18 18:49:07,060 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-18 18:49:07,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 18:49:07,060 INFO L85 PathProgramCache]: Analyzing trace with hash -654156423, now seen corresponding path program 2 times [2022-02-18 18:49:07,060 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 18:49:07,060 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140695456] [2022-02-18 18:49:07,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 18:49:07,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 18:49:07,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 18:49:07,192 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 12 proven. 76 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-02-18 18:49:07,192 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 18:49:07,192 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140695456] [2022-02-18 18:49:07,192 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [140695456] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 18:49:07,192 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [14082892] [2022-02-18 18:49:07,192 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-18 18:49:07,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 18:49:07,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 18:49:07,194 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) [2022-02-18 18:49:07,213 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-18 18:49:07,319 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-18 18:49:07,319 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-18 18:49:07,321 INFO L263 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 4 conjunts are in the unsatisfiable core [2022-02-18 18:49:07,324 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 18:49:07,529 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2022-02-18 18:49:07,529 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 18:49:07,723 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2022-02-18 18:49:07,723 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [14082892] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 18:49:07,723 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 18:49:07,724 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 15 [2022-02-18 18:49:07,724 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744814423] [2022-02-18 18:49:07,724 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 18:49:07,725 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-02-18 18:49:07,725 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 18:49:07,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-02-18 18:49:07,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2022-02-18 18:49:07,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:49:07,725 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 18:49:07,726 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 16.2) internal successors, (243), 15 states have internal predecessors, (243), 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) [2022-02-18 18:49:07,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:49:07,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:49:07,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:49:07,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-18 18:49:07,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:49:07,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-18 18:49:07,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:49:07,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:49:07,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:49:07,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:49:07,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-18 18:49:07,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:49:07,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-18 18:49:07,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-18 18:49:07,914 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-02-18 18:49:08,111 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 18:49:08,112 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-18 18:49:08,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 18:49:08,112 INFO L85 PathProgramCache]: Analyzing trace with hash -2076162837, now seen corresponding path program 3 times [2022-02-18 18:49:08,112 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 18:49:08,112 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681635993] [2022-02-18 18:49:08,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 18:49:08,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 18:49:08,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 18:49:08,230 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 2 proven. 76 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2022-02-18 18:49:08,231 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 18:49:08,231 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681635993] [2022-02-18 18:49:08,231 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681635993] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 18:49:08,231 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1651544771] [2022-02-18 18:49:08,231 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-18 18:49:08,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 18:49:08,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 18:49:08,233 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) [2022-02-18 18:49:08,234 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-02-18 18:49:08,420 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-02-18 18:49:08,420 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-18 18:49:08,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 7 conjunts are in the unsatisfiable core [2022-02-18 18:49:08,425 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 18:49:08,749 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 2 proven. 76 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2022-02-18 18:49:08,749 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 18:49:09,124 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 2 proven. 76 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2022-02-18 18:49:09,124 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1651544771] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 18:49:09,124 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 18:49:09,124 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 14 [2022-02-18 18:49:09,124 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300743121] [2022-02-18 18:49:09,125 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 18:49:09,125 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-02-18 18:49:09,125 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 18:49:09,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-02-18 18:49:09,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2022-02-18 18:49:09,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:49:09,126 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 18:49:09,126 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 13.857142857142858) internal successors, (194), 14 states have internal predecessors, (194), 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) [2022-02-18 18:49:09,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:49:09,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:49:09,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:49:09,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-18 18:49:09,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:49:09,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-18 18:49:09,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-18 18:49:09,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:49:09,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:49:09,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:49:09,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:49:09,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-18 18:49:09,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:49:09,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-18 18:49:09,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-18 18:49:09,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-18 18:49:09,273 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-02-18 18:49:09,472 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 18:49:09,472 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-18 18:49:09,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 18:49:09,473 INFO L85 PathProgramCache]: Analyzing trace with hash -1546171679, now seen corresponding path program 4 times [2022-02-18 18:49:09,473 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 18:49:09,473 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136034777] [2022-02-18 18:49:09,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 18:49:09,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 18:49:09,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 18:49:09,627 INFO L134 CoverageAnalysis]: Checked inductivity of 692 backedges. 12 proven. 125 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2022-02-18 18:49:09,627 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 18:49:09,628 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136034777] [2022-02-18 18:49:09,628 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2136034777] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 18:49:09,628 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [284676026] [2022-02-18 18:49:09,628 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-18 18:49:09,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 18:49:09,628 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 18:49:09,629 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) [2022-02-18 18:49:09,631 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-02-18 18:49:09,770 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-18 18:49:09,770 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-18 18:49:09,773 INFO L263 TraceCheckSpWp]: Trace formula consists of 550 conjuncts, 8 conjunts are in the unsatisfiable core [2022-02-18 18:49:09,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 18:49:10,222 INFO L134 CoverageAnalysis]: Checked inductivity of 692 backedges. 12 proven. 125 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2022-02-18 18:49:10,222 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 18:49:10,774 INFO L134 CoverageAnalysis]: Checked inductivity of 692 backedges. 12 proven. 125 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2022-02-18 18:49:10,775 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [284676026] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 18:49:10,775 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 18:49:10,775 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 17 [2022-02-18 18:49:10,775 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065711209] [2022-02-18 18:49:10,776 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 18:49:10,776 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-18 18:49:10,776 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 18:49:10,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-18 18:49:10,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2022-02-18 18:49:10,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:49:10,777 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 18:49:10,777 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 15.235294117647058) internal successors, (259), 17 states have internal predecessors, (259), 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) [2022-02-18 18:49:10,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:49:10,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:49:10,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:49:10,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-18 18:49:10,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:49:10,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-18 18:49:10,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-18 18:49:10,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-18 18:49:10,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:49:10,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:49:10,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:49:10,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:49:10,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-18 18:49:10,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:49:10,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-18 18:49:10,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-18 18:49:10,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-18 18:49:10,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-18 18:49:10,964 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-02-18 18:49:11,151 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,SelfDestructingSolverStorable14 [2022-02-18 18:49:11,152 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-18 18:49:11,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 18:49:11,152 INFO L85 PathProgramCache]: Analyzing trace with hash 1976598516, now seen corresponding path program 5 times [2022-02-18 18:49:11,152 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 18:49:11,152 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100507553] [2022-02-18 18:49:11,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 18:49:11,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 18:49:11,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-18 18:49:11,224 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-18 18:49:11,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-18 18:49:11,356 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-18 18:49:11,356 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-18 18:49:11,356 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 4 remaining) [2022-02-18 18:49:11,356 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 4 remaining) [2022-02-18 18:49:11,356 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 4 remaining) [2022-02-18 18:49:11,357 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2022-02-18 18:49:11,357 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-02-18 18:49:11,358 INFO L732 BasicCegarLoop]: Path program histogram: [5, 1, 1, 1, 1, 1] [2022-02-18 18:49:11,358 WARN L235 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2022-02-18 18:49:11,358 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2022-02-18 18:49:11,369 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,370 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,370 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,370 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,370 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,370 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,370 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,370 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,370 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,370 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,370 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,370 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,371 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,371 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,371 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,371 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,371 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,371 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,371 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,371 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,372 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,372 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,372 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,372 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,372 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,372 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,373 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,373 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,373 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,373 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,373 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,374 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,374 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,374 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,374 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,374 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,374 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,374 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,374 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,374 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,378 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,378 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,378 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,378 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,378 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,379 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,379 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,379 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,379 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,379 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,379 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,379 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,379 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,379 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,380 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,380 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,381 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,381 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,381 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,381 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,381 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,381 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,381 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,381 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,381 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,381 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,381 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,381 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,381 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,382 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,383 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,383 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,383 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,383 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,383 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,383 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,383 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,383 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,384 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,384 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,384 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,384 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,384 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,384 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,384 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,384 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,385 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,385 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,385 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,385 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,385 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,385 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,385 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,386 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,386 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,386 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,387 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,387 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,387 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,387 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,387 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,387 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,387 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,387 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,387 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,387 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,387 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,387 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,388 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,388 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,388 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,388 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,388 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,388 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,388 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,388 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,388 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,388 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,388 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,389 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,389 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,389 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,389 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,389 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,389 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,389 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,389 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,389 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,389 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,389 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,389 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,389 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,390 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,390 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,390 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,390 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,390 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,390 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,390 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,390 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,390 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,390 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,391 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,391 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,391 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,391 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,391 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,391 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,391 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,391 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,391 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,391 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,391 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,391 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,391 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,392 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,392 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,392 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,392 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,392 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,392 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,392 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,392 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,392 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,392 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,392 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,393 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,393 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,393 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,393 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,393 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,393 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,393 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,393 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,393 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,393 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,393 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,393 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,393 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,394 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,394 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,394 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,394 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,394 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,394 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,394 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,394 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,394 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,394 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,394 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,395 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,395 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,395 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,395 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,395 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,395 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,395 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,395 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,395 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,395 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,395 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,395 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,395 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,396 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,396 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,396 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,396 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,396 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,396 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,396 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,396 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,397 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,397 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,397 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,397 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,397 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,397 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,397 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,397 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,397 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,397 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,398 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,398 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,398 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,398 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,398 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,398 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,398 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,398 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,398 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,398 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,398 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,399 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,399 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,399 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,399 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,400 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,400 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,400 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,400 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,400 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,400 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,400 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:49:11,400 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-02-18 18:49:11,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-18 18:49:11,402 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 18:49:11,403 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-18 18:49:11,404 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (10)] Waiting until timeout for monitored process [2022-02-18 18:49:11,406 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-18 18:49:11,407 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, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, 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, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-02-18 18:49:11,407 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-02-18 18:49:11,413 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-02-18 18:49:11,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 18:49:11,413 INFO L85 PathProgramCache]: Analyzing trace with hash -1601928513, now seen corresponding path program 1 times [2022-02-18 18:49:11,413 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 18:49:11,413 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666615189] [2022-02-18 18:49:11,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 18:49:11,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 18:49:11,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 18:49:11,428 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-18 18:49:11,429 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 18:49:11,429 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666615189] [2022-02-18 18:49:11,429 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666615189] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 18:49:11,429 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 18:49:11,429 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-18 18:49:11,429 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556844761] [2022-02-18 18:49:11,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 18:49:11,429 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-18 18:49:11,430 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 18:49:11,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-18 18:49:11,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-18 18:49:11,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:49:11,430 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 18:49:11,430 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 37.0) internal successors, (74), 2 states have internal predecessors, (74), 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) [2022-02-18 18:49:11,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:49:11,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:49:11,446 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-02-18 18:49:11,446 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-02-18 18:49:11,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 18:49:11,447 INFO L85 PathProgramCache]: Analyzing trace with hash 1467357784, now seen corresponding path program 1 times [2022-02-18 18:49:11,447 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 18:49:11,447 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523565095] [2022-02-18 18:49:11,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 18:49:11,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 18:49:11,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 18:49:11,514 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-02-18 18:49:11,514 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 18:49:11,514 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523565095] [2022-02-18 18:49:11,514 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1523565095] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 18:49:11,515 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 18:49:11,515 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-18 18:49:11,515 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696540600] [2022-02-18 18:49:11,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 18:49:11,515 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-18 18:49:11,515 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 18:49:11,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-18 18:49:11,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-18 18:49:11,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:49:11,516 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 18:49:11,516 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.5) internal successors, (98), 4 states have internal predecessors, (98), 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) [2022-02-18 18:49:11,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:49:11,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:49:11,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:49:11,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:49:11,561 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-02-18 18:49:11,561 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-02-18 18:49:11,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 18:49:11,562 INFO L85 PathProgramCache]: Analyzing trace with hash -448912950, now seen corresponding path program 1 times [2022-02-18 18:49:11,562 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 18:49:11,562 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958946105] [2022-02-18 18:49:11,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 18:49:11,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 18:49:11,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 18:49:11,615 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-02-18 18:49:11,615 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 18:49:11,615 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958946105] [2022-02-18 18:49:11,616 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958946105] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 18:49:11,616 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 18:49:11,616 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-18 18:49:11,616 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470147058] [2022-02-18 18:49:11,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 18:49:11,616 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-18 18:49:11,616 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 18:49:11,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-18 18:49:11,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-18 18:49:11,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:49:11,617 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 18:49:11,618 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.333333333333332) internal successors, (104), 6 states have internal predecessors, (104), 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) [2022-02-18 18:49:11,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:49:11,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:49:11,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:49:11,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:49:11,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:49:11,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:49:11,699 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-02-18 18:49:11,699 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-02-18 18:49:11,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 18:49:11,699 INFO L85 PathProgramCache]: Analyzing trace with hash -367762239, now seen corresponding path program 1 times [2022-02-18 18:49:11,699 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 18:49:11,699 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25739082] [2022-02-18 18:49:11,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 18:49:11,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 18:49:11,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 18:49:11,787 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-02-18 18:49:11,788 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 18:49:11,788 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25739082] [2022-02-18 18:49:11,788 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25739082] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 18:49:11,788 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 18:49:11,788 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-18 18:49:11,788 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627271184] [2022-02-18 18:49:11,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 18:49:11,789 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-18 18:49:11,789 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 18:49:11,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-18 18:49:11,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-18 18:49:11,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:49:11,790 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 18:49:11,790 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.0) internal successors, (116), 4 states have internal predecessors, (116), 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) [2022-02-18 18:49:11,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:49:11,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:49:11,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:49:11,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:49:11,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:49:11,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:49:11,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:49:11,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:49:11,831 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-02-18 18:49:11,832 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-02-18 18:49:11,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 18:49:11,833 INFO L85 PathProgramCache]: Analyzing trace with hash -859552752, now seen corresponding path program 1 times [2022-02-18 18:49:11,833 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 18:49:11,833 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372937940] [2022-02-18 18:49:11,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 18:49:11,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 18:49:11,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 18:49:11,885 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-02-18 18:49:11,885 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 18:49:11,885 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372937940] [2022-02-18 18:49:11,885 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1372937940] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 18:49:11,885 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 18:49:11,886 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-18 18:49:11,886 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148308673] [2022-02-18 18:49:11,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 18:49:11,887 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-18 18:49:11,887 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 18:49:11,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-18 18:49:11,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-18 18:49:11,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:49:11,887 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 18:49:11,887 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 6 states have internal predecessors, (85), 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) [2022-02-18 18:49:11,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:49:11,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:49:11,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:49:11,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:49:11,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:49:11,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:49:11,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:49:11,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:49:11,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:49:11,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:49:11,991 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-02-18 18:49:11,991 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-02-18 18:49:11,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 18:49:11,992 INFO L85 PathProgramCache]: Analyzing trace with hash -1697622536, now seen corresponding path program 1 times [2022-02-18 18:49:11,992 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 18:49:11,992 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468810999] [2022-02-18 18:49:11,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 18:49:11,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 18:49:12,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 18:49:12,040 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-02-18 18:49:12,040 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 18:49:12,040 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468810999] [2022-02-18 18:49:12,040 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [468810999] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 18:49:12,040 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2138014477] [2022-02-18 18:49:12,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 18:49:12,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 18:49:12,040 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 18:49:12,042 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) [2022-02-18 18:49:12,044 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-02-18 18:49:12,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 18:49:12,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 3 conjunts are in the unsatisfiable core [2022-02-18 18:49:12,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 18:49:12,369 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-02-18 18:49:12,370 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-18 18:49:12,370 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2138014477] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 18:49:12,370 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-18 18:49:12,370 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2022-02-18 18:49:12,370 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194573691] [2022-02-18 18:49:12,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 18:49:12,371 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-18 18:49:12,371 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 18:49:12,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-18 18:49:12,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-02-18 18:49:12,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:49:12,372 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 18:49:12,372 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.0) internal successors, (128), 4 states have internal predecessors, (128), 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) [2022-02-18 18:49:12,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:49:12,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:49:12,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:49:12,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:49:12,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:49:12,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:49:12,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:49:12,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:49:12,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:49:12,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:49:12,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:49:12,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:49:12,434 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-02-18 18:49:12,627 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,SelfDestructingSolverStorable21 [2022-02-18 18:49:12,628 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-02-18 18:49:12,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 18:49:12,628 INFO L85 PathProgramCache]: Analyzing trace with hash -501870681, now seen corresponding path program 1 times [2022-02-18 18:49:12,628 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 18:49:12,628 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825040711] [2022-02-18 18:49:12,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 18:49:12,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 18:49:12,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 18:49:12,673 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-02-18 18:49:12,673 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 18:49:12,673 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825040711] [2022-02-18 18:49:12,673 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1825040711] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 18:49:12,673 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 18:49:12,673 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-18 18:49:12,673 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119242863] [2022-02-18 18:49:12,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 18:49:12,675 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-18 18:49:12,675 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 18:49:12,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-18 18:49:12,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-18 18:49:12,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:49:12,676 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 18:49:12,676 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 18:49:12,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:49:12,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:49:12,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:49:12,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:49:12,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:49:12,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:49:12,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:49:12,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:49:12,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:49:12,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:49:12,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:49:12,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:49:12,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:49:12,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:49:12,791 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-02-18 18:49:12,791 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-02-18 18:49:12,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 18:49:12,792 INFO L85 PathProgramCache]: Analyzing trace with hash 1176816289, now seen corresponding path program 1 times [2022-02-18 18:49:12,792 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 18:49:12,792 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734278405] [2022-02-18 18:49:12,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 18:49:12,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 18:49:12,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 18:49:12,838 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-02-18 18:49:12,839 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 18:49:12,839 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734278405] [2022-02-18 18:49:12,839 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1734278405] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 18:49:12,839 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [57282071] [2022-02-18 18:49:12,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 18:49:12,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 18:49:12,840 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 18:49:12,841 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) [2022-02-18 18:49:12,842 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-02-18 18:49:12,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 18:49:12,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 4 conjunts are in the unsatisfiable core [2022-02-18 18:49:12,977 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 18:49:13,163 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 23 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-02-18 18:49:13,163 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 18:49:13,366 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 23 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-02-18 18:49:13,366 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [57282071] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 18:49:13,366 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 18:49:13,366 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2022-02-18 18:49:13,366 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205050689] [2022-02-18 18:49:13,367 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 18:49:13,367 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-18 18:49:13,367 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 18:49:13,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-18 18:49:13,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-02-18 18:49:13,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:49:13,368 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 18:49:13,368 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 19.0) internal successors, (209), 11 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) [2022-02-18 18:49:13,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:49:13,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:49:13,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:49:13,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:49:13,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:49:13,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:49:13,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:49:13,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:49:13,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:49:13,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:49:13,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:49:13,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:49:13,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:49:13,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:49:13,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:49:13,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 18:49:13,543 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-02-18 18:49:13,743 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,SelfDestructingSolverStorable23 [2022-02-18 18:49:13,743 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-02-18 18:49:13,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 18:49:13,744 INFO L85 PathProgramCache]: Analyzing trace with hash -1357223853, now seen corresponding path program 2 times [2022-02-18 18:49:13,744 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 18:49:13,744 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788336899] [2022-02-18 18:49:13,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 18:49:13,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 18:49:13,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 18:49:13,833 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 20 proven. 14 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-02-18 18:49:13,834 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 18:49:13,834 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788336899] [2022-02-18 18:49:13,834 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1788336899] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 18:49:13,834 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [367836606] [2022-02-18 18:49:13,834 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-18 18:49:13,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 18:49:13,834 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 18:49:13,835 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) [2022-02-18 18:49:13,837 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-02-18 18:49:13,988 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-18 18:49:13,988 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-18 18:49:13,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 7 conjunts are in the unsatisfiable core [2022-02-18 18:49:13,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 18:49:14,306 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 23 proven. 76 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-02-18 18:49:14,307 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 18:49:14,660 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 23 proven. 76 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-02-18 18:49:14,660 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [367836606] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 18:49:14,660 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 18:49:14,660 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8, 8] total 18 [2022-02-18 18:49:14,660 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290384114] [2022-02-18 18:49:14,660 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 18:49:14,661 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-02-18 18:49:14,661 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 18:49:14,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-02-18 18:49:14,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2022-02-18 18:49:14,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:49:14,661 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 18:49:14,662 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 16.27777777777778) internal successors, (293), 18 states have internal predecessors, (293), 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) [2022-02-18 18:49:14,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:49:14,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:49:14,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:49:14,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:49:14,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:49:14,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:49:14,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:49:14,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-18 18:49:14,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:49:14,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:49:14,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:49:14,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:49:14,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:49:14,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:49:14,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:49:14,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:49:14,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 18:49:14,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-18 18:49:14,949 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-02-18 18:49:15,123 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,SelfDestructingSolverStorable24 [2022-02-18 18:49:15,124 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-02-18 18:49:15,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 18:49:15,124 INFO L85 PathProgramCache]: Analyzing trace with hash -696114688, now seen corresponding path program 3 times [2022-02-18 18:49:15,124 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 18:49:15,124 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346057660] [2022-02-18 18:49:15,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 18:49:15,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 18:49:15,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 18:49:15,239 INFO L134 CoverageAnalysis]: Checked inductivity of 626 backedges. 20 proven. 39 refuted. 0 times theorem prover too weak. 567 trivial. 0 not checked. [2022-02-18 18:49:15,240 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 18:49:15,240 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346057660] [2022-02-18 18:49:15,240 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1346057660] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 18:49:15,240 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [844262565] [2022-02-18 18:49:15,240 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-18 18:49:15,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 18:49:15,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 18:49:15,241 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) [2022-02-18 18:49:15,243 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-02-18 18:49:15,380 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-02-18 18:49:15,381 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-18 18:49:15,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 4 conjunts are in the unsatisfiable core [2022-02-18 18:49:15,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 18:49:15,788 INFO L134 CoverageAnalysis]: Checked inductivity of 626 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 622 trivial. 0 not checked. [2022-02-18 18:49:15,788 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 18:49:16,111 INFO L134 CoverageAnalysis]: Checked inductivity of 626 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 622 trivial. 0 not checked. [2022-02-18 18:49:16,111 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [844262565] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 18:49:16,111 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 18:49:16,112 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 13 [2022-02-18 18:49:16,112 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422528168] [2022-02-18 18:49:16,112 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 18:49:16,113 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-02-18 18:49:16,113 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 18:49:16,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-02-18 18:49:16,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-02-18 18:49:16,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:49:16,113 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 18:49:16,114 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 17.923076923076923) internal successors, (233), 13 states have internal predecessors, (233), 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) [2022-02-18 18:49:16,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:49:16,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:49:16,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:49:16,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:49:16,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:49:16,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:49:16,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:49:16,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-18 18:49:16,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-18 18:49:16,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:49:16,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:49:16,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:49:16,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:49:16,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:49:16,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:49:16,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:49:16,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:49:16,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 18:49:16,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-18 18:49:16,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-18 18:49:16,332 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2022-02-18 18:49:16,519 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,SelfDestructingSolverStorable25 [2022-02-18 18:49:16,519 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-02-18 18:49:16,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 18:49:16,520 INFO L85 PathProgramCache]: Analyzing trace with hash -2030385166, now seen corresponding path program 4 times [2022-02-18 18:49:16,520 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 18:49:16,520 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088596954] [2022-02-18 18:49:16,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 18:49:16,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 18:49:16,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 18:49:16,644 INFO L134 CoverageAnalysis]: Checked inductivity of 738 backedges. 3 proven. 76 refuted. 0 times theorem prover too weak. 659 trivial. 0 not checked. [2022-02-18 18:49:16,644 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 18:49:16,644 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088596954] [2022-02-18 18:49:16,644 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2088596954] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 18:49:16,644 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [48346944] [2022-02-18 18:49:16,644 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-18 18:49:16,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 18:49:16,645 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 18:49:16,646 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) [2022-02-18 18:49:16,647 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-02-18 18:49:16,840 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-18 18:49:16,841 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-18 18:49:16,843 INFO L263 TraceCheckSpWp]: Trace formula consists of 676 conjuncts, 7 conjunts are in the unsatisfiable core [2022-02-18 18:49:16,847 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 18:49:17,337 INFO L134 CoverageAnalysis]: Checked inductivity of 738 backedges. 20 proven. 76 refuted. 0 times theorem prover too weak. 642 trivial. 0 not checked. [2022-02-18 18:49:17,337 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 18:49:17,800 INFO L134 CoverageAnalysis]: Checked inductivity of 738 backedges. 20 proven. 76 refuted. 0 times theorem prover too weak. 642 trivial. 0 not checked. [2022-02-18 18:49:17,801 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [48346944] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 18:49:17,801 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 18:49:17,801 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 20 [2022-02-18 18:49:17,801 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987596033] [2022-02-18 18:49:17,801 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 18:49:17,802 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-02-18 18:49:17,802 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 18:49:17,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-02-18 18:49:17,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=287, Unknown=0, NotChecked=0, Total=380 [2022-02-18 18:49:17,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:49:17,803 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 18:49:17,803 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 15.85) internal successors, (317), 20 states have internal predecessors, (317), 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) [2022-02-18 18:49:17,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:49:17,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:49:17,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:49:17,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:49:17,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:49:17,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:49:17,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:49:17,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-18 18:49:17,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-18 18:49:17,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-18 18:49:17,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:49:18,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:49:18,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:49:18,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:49:18,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:49:18,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:49:18,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:49:18,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:49:18,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 18:49:18,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-18 18:49:18,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-18 18:49:18,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-18 18:49:18,053 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-02-18 18:49:18,247 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 18:49:18,247 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-02-18 18:49:18,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 18:49:18,248 INFO L85 PathProgramCache]: Analyzing trace with hash 2095977253, now seen corresponding path program 5 times [2022-02-18 18:49:18,248 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 18:49:18,248 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335300529] [2022-02-18 18:49:18,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 18:49:18,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 18:49:18,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 18:49:18,428 INFO L134 CoverageAnalysis]: Checked inductivity of 1261 backedges. 3 proven. 125 refuted. 0 times theorem prover too weak. 1133 trivial. 0 not checked. [2022-02-18 18:49:18,428 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 18:49:18,428 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335300529] [2022-02-18 18:49:18,428 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [335300529] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 18:49:18,428 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [245336223] [2022-02-18 18:49:18,428 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-18 18:49:18,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 18:49:18,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 18:49:18,430 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) [2022-02-18 18:49:18,431 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-02-18 18:50:58,754 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) [2022-02-18 18:50:58,755 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-18 18:50:58,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 834 conjuncts, 8 conjunts are in the unsatisfiable core [2022-02-18 18:50:58,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 18:50:59,360 INFO L134 CoverageAnalysis]: Checked inductivity of 1261 backedges. 3 proven. 125 refuted. 0 times theorem prover too weak. 1133 trivial. 0 not checked. [2022-02-18 18:50:59,360 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 18:50:59,813 INFO L134 CoverageAnalysis]: Checked inductivity of 1261 backedges. 3 proven. 125 refuted. 0 times theorem prover too weak. 1133 trivial. 0 not checked. [2022-02-18 18:50:59,813 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [245336223] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 18:50:59,813 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 18:50:59,813 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 14 [2022-02-18 18:50:59,813 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947836888] [2022-02-18 18:50:59,814 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 18:50:59,814 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-02-18 18:50:59,814 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 18:50:59,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-02-18 18:50:59,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2022-02-18 18:50:59,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:50:59,815 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 18:50:59,815 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 16.928571428571427) internal successors, (237), 14 states have internal predecessors, (237), 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) [2022-02-18 18:50:59,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:50:59,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:50:59,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:50:59,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:50:59,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:50:59,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:50:59,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:50:59,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-18 18:50:59,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-18 18:50:59,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-18 18:50:59,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-18 18:50:59,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:50:59,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:50:59,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:50:59,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:50:59,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:50:59,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:50:59,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:50:59,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:50:59,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 18:50:59,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-18 18:50:59,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-18 18:50:59,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-18 18:50:59,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-18 18:51:00,006 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-02-18 18:51:00,151 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2022-02-18 18:51:00,152 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-02-18 18:51:00,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 18:51:00,152 INFO L85 PathProgramCache]: Analyzing trace with hash -506448206, now seen corresponding path program 6 times [2022-02-18 18:51:00,152 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 18:51:00,152 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827085920] [2022-02-18 18:51:00,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 18:51:00,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 18:51:00,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-18 18:51:00,224 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-18 18:51:00,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-18 18:51:00,414 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-18 18:51:00,414 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-18 18:51:00,414 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 5 remaining) [2022-02-18 18:51:00,414 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 5 remaining) [2022-02-18 18:51:00,414 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 5 remaining) [2022-02-18 18:51:00,436 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 5 remaining) [2022-02-18 18:51:00,437 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 5 remaining) [2022-02-18 18:51:00,437 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-02-18 18:51:00,438 INFO L732 BasicCegarLoop]: Path program histogram: [6, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 18:51:00,438 WARN L235 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2022-02-18 18:51:00,438 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2022-02-18 18:51:00,449 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,450 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,450 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,450 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,450 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,450 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,450 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,450 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,450 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,450 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,450 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,450 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,450 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,450 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,450 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,450 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,450 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,450 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,451 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,451 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,451 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,451 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,451 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,451 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,451 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,451 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,452 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,452 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,452 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,452 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,452 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,452 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,452 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,452 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,452 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,452 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,452 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,452 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,453 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,453 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,453 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,453 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,453 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,453 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,453 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,453 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,453 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,453 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,454 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,454 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,454 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,454 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,454 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,454 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,454 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,454 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,454 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,454 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,454 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,454 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,454 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,455 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,455 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,455 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,455 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,455 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,455 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,455 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,455 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,455 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,455 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,456 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,456 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,456 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,456 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,456 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,456 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,456 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,456 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,456 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,456 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,456 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,456 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,456 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,456 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,456 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,457 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,457 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,457 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,457 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,457 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,457 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,457 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,457 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,457 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,457 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,458 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,458 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,458 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,458 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,458 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,458 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,458 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,458 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,458 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,458 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,458 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,458 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,458 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,459 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,459 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,459 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,459 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,459 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,459 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,459 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,459 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,459 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,459 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,460 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,460 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,460 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,460 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,460 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,460 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,460 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,460 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,460 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,460 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,460 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,460 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,460 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,461 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,461 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,461 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,461 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,461 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,461 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,461 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,461 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,461 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,461 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,461 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,461 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,462 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,462 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,462 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,462 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,462 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,462 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,462 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,462 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,462 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,462 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,462 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,462 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,462 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,463 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,463 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,463 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,463 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,463 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,463 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,463 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,463 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,463 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,464 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,464 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,464 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,464 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,464 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,464 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,464 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,464 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,464 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,464 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,464 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,465 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,465 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,465 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,465 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,465 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,465 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,465 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,465 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,465 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,466 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,466 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,466 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,466 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,466 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,466 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,466 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,466 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,466 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,466 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,466 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,466 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,467 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,467 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,467 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,467 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,467 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,467 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,467 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,467 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,467 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,467 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,467 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,467 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,468 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,468 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,468 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,468 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,468 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,468 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,468 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,468 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,468 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,468 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,468 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,469 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,469 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,469 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,469 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,469 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,469 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,469 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,469 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,469 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,469 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,469 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,470 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,470 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,470 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,470 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,470 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,470 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,470 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,470 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,470 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,470 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,470 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,471 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,471 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,471 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,471 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,471 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,471 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,471 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,471 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,471 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,471 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,471 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,471 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,472 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,472 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,472 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,472 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,472 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,472 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,472 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,472 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,472 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,472 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,472 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,472 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,472 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,473 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,473 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,473 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,473 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,473 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,473 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,473 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,473 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,473 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,473 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,473 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,473 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,474 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,474 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,474 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,474 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,474 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,474 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,474 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,474 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,474 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,474 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,474 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,475 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,475 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,475 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,475 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,475 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,475 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,475 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,475 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,476 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,476 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,476 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,476 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,476 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,476 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,476 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,476 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,476 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,477 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,477 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,477 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,477 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,477 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,477 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,477 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,477 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,477 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,478 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,478 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,478 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,478 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,478 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,478 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,478 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 18:51:00,478 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-02-18 18:51:00,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-18 18:51:00,479 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 18:51:00,484 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-18 18:51:00,486 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (17)] Waiting until timeout for monitored process [2022-02-18 18:51:00,491 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-18 18:51:00,492 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, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, 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, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-02-18 18:51:00,492 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-02-18 18:51:00,498 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-02-18 18:51:00,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 18:51:00,498 INFO L85 PathProgramCache]: Analyzing trace with hash -1164156349, now seen corresponding path program 1 times [2022-02-18 18:51:00,498 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 18:51:00,498 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858762354] [2022-02-18 18:51:00,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 18:51:00,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 18:51:00,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 18:51:00,518 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-18 18:51:00,518 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 18:51:00,518 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858762354] [2022-02-18 18:51:00,518 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [858762354] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 18:51:00,518 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 18:51:00,518 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-18 18:51:00,518 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987864891] [2022-02-18 18:51:00,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 18:51:00,519 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-18 18:51:00,519 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 18:51:00,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-18 18:51:00,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-18 18:51:00,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:51:00,519 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 18:51:00,520 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 37.0) internal successors, (74), 2 states have internal predecessors, (74), 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) [2022-02-18 18:51:00,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:51:00,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:51:00,540 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-02-18 18:51:00,540 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-02-18 18:51:00,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 18:51:00,541 INFO L85 PathProgramCache]: Analyzing trace with hash 80772068, now seen corresponding path program 1 times [2022-02-18 18:51:00,541 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 18:51:00,541 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2233520] [2022-02-18 18:51:00,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 18:51:00,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 18:51:00,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 18:51:00,578 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2022-02-18 18:51:00,578 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 18:51:00,579 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2233520] [2022-02-18 18:51:00,579 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2233520] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 18:51:00,579 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 18:51:00,579 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-18 18:51:00,579 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114108213] [2022-02-18 18:51:00,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 18:51:00,579 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-18 18:51:00,579 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 18:51:00,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-18 18:51:00,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-18 18:51:00,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:51:00,580 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 18:51:00,580 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.25) internal successors, (117), 4 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) [2022-02-18 18:51:00,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:51:00,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:51:00,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:51:00,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:51:00,625 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-02-18 18:51:00,625 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-02-18 18:51:00,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 18:51:00,625 INFO L85 PathProgramCache]: Analyzing trace with hash 531627290, now seen corresponding path program 1 times [2022-02-18 18:51:00,625 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 18:51:00,626 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027589396] [2022-02-18 18:51:00,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 18:51:00,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 18:51:00,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 18:51:00,674 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2022-02-18 18:51:00,674 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 18:51:00,674 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027589396] [2022-02-18 18:51:00,674 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027589396] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 18:51:00,674 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 18:51:00,674 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-18 18:51:00,674 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812554622] [2022-02-18 18:51:00,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 18:51:00,675 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-18 18:51:00,675 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 18:51:00,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-18 18:51:00,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-18 18:51:00,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:51:00,676 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 18:51:00,676 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 20.5) internal successors, (123), 6 states have internal predecessors, (123), 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) [2022-02-18 18:51:00,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:51:00,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:51:00,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:51:00,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:51:00,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:51:00,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:51:00,752 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-02-18 18:51:00,752 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-02-18 18:51:00,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 18:51:00,753 INFO L85 PathProgramCache]: Analyzing trace with hash 641991053, now seen corresponding path program 1 times [2022-02-18 18:51:00,753 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 18:51:00,753 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97468502] [2022-02-18 18:51:00,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 18:51:00,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 18:51:00,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 18:51:00,790 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2022-02-18 18:51:00,790 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 18:51:00,790 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97468502] [2022-02-18 18:51:00,790 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [97468502] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 18:51:00,790 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 18:51:00,790 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-18 18:51:00,791 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507695677] [2022-02-18 18:51:00,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 18:51:00,791 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-18 18:51:00,791 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 18:51:00,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-18 18:51:00,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-18 18:51:00,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:51:00,792 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 18:51:00,792 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.75) internal successors, (135), 4 states have internal predecessors, (135), 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) [2022-02-18 18:51:00,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:51:00,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:51:00,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:51:00,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:51:00,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:51:00,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:51:00,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:51:00,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:51:00,838 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-02-18 18:51:00,840 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-02-18 18:51:00,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 18:51:00,840 INFO L85 PathProgramCache]: Analyzing trace with hash 1316230090, now seen corresponding path program 1 times [2022-02-18 18:51:00,840 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 18:51:00,840 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366806135] [2022-02-18 18:51:00,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 18:51:00,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 18:51:00,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 18:51:00,885 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-02-18 18:51:00,885 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 18:51:00,885 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366806135] [2022-02-18 18:51:00,885 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1366806135] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 18:51:00,885 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 18:51:00,885 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-18 18:51:00,885 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192397018] [2022-02-18 18:51:00,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 18:51:00,886 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-18 18:51:00,886 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 18:51:00,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-18 18:51:00,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-18 18:51:00,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:51:00,886 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 18:51:00,886 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.333333333333332) internal successors, (104), 6 states have internal predecessors, (104), 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) [2022-02-18 18:51:00,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:51:00,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:51:00,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:51:00,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:51:00,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:51:00,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:51:00,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:51:00,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:51:00,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:51:00,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:51:00,995 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-02-18 18:51:00,995 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-02-18 18:51:00,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 18:51:00,995 INFO L85 PathProgramCache]: Analyzing trace with hash 940254340, now seen corresponding path program 1 times [2022-02-18 18:51:00,995 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 18:51:00,995 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596934925] [2022-02-18 18:51:00,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 18:51:00,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 18:51:01,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 18:51:01,041 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 28 proven. 1 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2022-02-18 18:51:01,041 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 18:51:01,041 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596934925] [2022-02-18 18:51:01,041 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1596934925] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 18:51:01,041 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1723070731] [2022-02-18 18:51:01,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 18:51:01,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 18:51:01,042 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 18:51:01,043 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) [2022-02-18 18:51:01,045 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-02-18 18:51:01,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 18:51:01,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 3 conjunts are in the unsatisfiable core [2022-02-18 18:51:01,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 18:51:01,436 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-02-18 18:51:01,436 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-18 18:51:01,436 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1723070731] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 18:51:01,437 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-18 18:51:01,437 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2022-02-18 18:51:01,437 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479217562] [2022-02-18 18:51:01,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 18:51:01,438 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-18 18:51:01,438 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 18:51:01,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-18 18:51:01,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-02-18 18:51:01,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:51:01,439 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 18:51:01,439 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 36.75) internal successors, (147), 4 states have internal predecessors, (147), 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) [2022-02-18 18:51:01,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:51:01,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:51:01,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:51:01,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:51:01,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:51:01,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:51:01,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:51:01,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:51:01,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:51:01,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:51:01,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:51:01,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:51:01,494 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2022-02-18 18:51:01,687 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 18:51:01,687 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-02-18 18:51:01,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 18:51:01,688 INFO L85 PathProgramCache]: Analyzing trace with hash -2057385565, now seen corresponding path program 1 times [2022-02-18 18:51:01,688 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 18:51:01,688 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827809378] [2022-02-18 18:51:01,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 18:51:01,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 18:51:01,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 18:51:01,732 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-02-18 18:51:01,733 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 18:51:01,733 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827809378] [2022-02-18 18:51:01,733 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827809378] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 18:51:01,733 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 18:51:01,733 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-18 18:51:01,733 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823308321] [2022-02-18 18:51:01,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 18:51:01,734 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-18 18:51:01,734 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 18:51:01,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-18 18:51:01,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-18 18:51:01,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:51:01,735 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 18:51:01,735 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 18:51:01,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:51:01,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:51:01,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:51:01,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:51:01,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:51:01,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:51:01,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:51:01,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:51:01,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:51:01,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:51:01,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:51:01,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:51:01,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:51:01,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:51:01,843 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-02-18 18:51:01,843 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-02-18 18:51:01,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 18:51:01,844 INFO L85 PathProgramCache]: Analyzing trace with hash -649976645, now seen corresponding path program 1 times [2022-02-18 18:51:01,844 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 18:51:01,844 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877918595] [2022-02-18 18:51:01,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 18:51:01,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 18:51:01,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 18:51:01,889 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 28 proven. 1 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-02-18 18:51:01,889 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 18:51:01,889 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877918595] [2022-02-18 18:51:01,889 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1877918595] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 18:51:01,889 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [928067547] [2022-02-18 18:51:01,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 18:51:01,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 18:51:01,890 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 18:51:01,891 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) [2022-02-18 18:51:01,911 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2022-02-18 18:51:02,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 18:51:02,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 4 conjunts are in the unsatisfiable core [2022-02-18 18:51:02,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 18:51:02,361 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 34 proven. 1 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-02-18 18:51:02,361 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 18:51:02,593 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 34 proven. 1 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-02-18 18:51:02,593 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [928067547] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 18:51:02,593 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 18:51:02,593 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2022-02-18 18:51:02,593 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2861282] [2022-02-18 18:51:02,593 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 18:51:02,594 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-18 18:51:02,594 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 18:51:02,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-18 18:51:02,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-02-18 18:51:02,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:51:02,595 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 18:51:02,595 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 22.454545454545453) internal successors, (247), 11 states have internal predecessors, (247), 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) [2022-02-18 18:51:02,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:51:02,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:51:02,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:51:02,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:51:02,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:51:02,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:51:02,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:51:02,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:51:02,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:51:02,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:51:02,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:51:02,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:51:02,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:51:02,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:51:02,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:51:02,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 18:51:02,767 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2022-02-18 18:51:02,962 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 18:51:02,962 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-02-18 18:51:02,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 18:51:02,963 INFO L85 PathProgramCache]: Analyzing trace with hash 513541335, now seen corresponding path program 2 times [2022-02-18 18:51:02,963 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 18:51:02,963 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692303452] [2022-02-18 18:51:02,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 18:51:02,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 18:51:02,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 18:51:03,026 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 28 proven. 14 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2022-02-18 18:51:03,027 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 18:51:03,027 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692303452] [2022-02-18 18:51:03,027 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1692303452] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 18:51:03,027 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [814417869] [2022-02-18 18:51:03,027 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-18 18:51:03,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 18:51:03,027 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 18:51:03,029 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) [2022-02-18 18:51:03,045 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2022-02-18 18:51:03,233 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-18 18:51:03,234 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-18 18:51:03,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 498 conjuncts, 7 conjunts are in the unsatisfiable core [2022-02-18 18:51:03,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 18:51:03,625 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 34 proven. 76 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-02-18 18:51:03,625 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 18:51:03,996 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 34 proven. 76 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-02-18 18:51:03,996 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [814417869] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 18:51:03,997 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 18:51:03,997 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8, 8] total 18 [2022-02-18 18:51:03,997 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386032786] [2022-02-18 18:51:03,997 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 18:51:03,998 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-02-18 18:51:03,998 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 18:51:03,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-02-18 18:51:03,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2022-02-18 18:51:03,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:51:03,998 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 18:51:03,999 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 18.38888888888889) internal successors, (331), 18 states have internal predecessors, (331), 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) [2022-02-18 18:51:03,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:51:03,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:51:03,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:51:03,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:51:03,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:51:03,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:51:03,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:51:03,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-18 18:51:03,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:51:04,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:51:04,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:51:04,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:51:04,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:51:04,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:51:04,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:51:04,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:51:04,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 18:51:04,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-18 18:51:04,283 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2022-02-18 18:51:04,469 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 18:51:04,469 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-02-18 18:51:04,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 18:51:04,469 INFO L85 PathProgramCache]: Analyzing trace with hash 1010090648, now seen corresponding path program 3 times [2022-02-18 18:51:04,469 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 18:51:04,469 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701769436] [2022-02-18 18:51:04,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 18:51:04,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 18:51:04,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 18:51:04,539 INFO L134 CoverageAnalysis]: Checked inductivity of 652 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 614 trivial. 0 not checked. [2022-02-18 18:51:04,539 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 18:51:04,539 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701769436] [2022-02-18 18:51:04,540 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1701769436] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 18:51:04,540 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 18:51:04,540 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-18 18:51:04,540 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886495638] [2022-02-18 18:51:04,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 18:51:04,541 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-18 18:51:04,541 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 18:51:04,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-18 18:51:04,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-18 18:51:04,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:51:04,541 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 18:51:04,542 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 39.75) internal successors, (159), 4 states have internal predecessors, (159), 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) [2022-02-18 18:51:04,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:51:04,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:51:04,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:51:04,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:51:04,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:51:04,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:51:04,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:51:04,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-18 18:51:04,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-18 18:51:04,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:51:04,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:51:04,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:51:04,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:51:04,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:51:04,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:51:04,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:51:04,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:51:04,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 18:51:04,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-18 18:51:04,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:51:04,585 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-02-18 18:51:04,586 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-02-18 18:51:04,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 18:51:04,586 INFO L85 PathProgramCache]: Analyzing trace with hash -544468551, now seen corresponding path program 1 times [2022-02-18 18:51:04,586 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 18:51:04,586 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001450115] [2022-02-18 18:51:04,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 18:51:04,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 18:51:04,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 18:51:04,697 INFO L134 CoverageAnalysis]: Checked inductivity of 565 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 565 trivial. 0 not checked. [2022-02-18 18:51:04,697 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 18:51:04,697 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001450115] [2022-02-18 18:51:04,698 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001450115] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 18:51:04,698 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 18:51:04,698 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-18 18:51:04,698 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131993669] [2022-02-18 18:51:04,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 18:51:04,698 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-18 18:51:04,698 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 18:51:04,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-18 18:51:04,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-18 18:51:04,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:51:04,699 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 18:51:04,700 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.166666666666668) internal successors, (97), 6 states have internal predecessors, (97), 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) [2022-02-18 18:51:04,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:51:04,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:51:04,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:51:04,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:51:04,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:51:04,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:51:04,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:51:04,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-18 18:51:04,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-18 18:51:04,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:51:04,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:51:04,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:51:04,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:51:04,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:51:04,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:51:04,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:51:04,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:51:04,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:51:04,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 18:51:04,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-18 18:51:04,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:51:04,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:51:04,807 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-02-18 18:51:04,808 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-02-18 18:51:04,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 18:51:04,808 INFO L85 PathProgramCache]: Analyzing trace with hash -1925043839, now seen corresponding path program 1 times [2022-02-18 18:51:04,808 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 18:51:04,808 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630615029] [2022-02-18 18:51:04,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 18:51:04,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 18:51:04,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 18:51:04,881 INFO L134 CoverageAnalysis]: Checked inductivity of 653 backedges. 38 proven. 1 refuted. 0 times theorem prover too weak. 614 trivial. 0 not checked. [2022-02-18 18:51:04,881 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 18:51:04,881 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630615029] [2022-02-18 18:51:04,881 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [630615029] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 18:51:04,881 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [895573940] [2022-02-18 18:51:04,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 18:51:04,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 18:51:04,882 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 18:51:04,884 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-18 18:51:04,913 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2022-02-18 18:51:05,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 18:51:05,130 INFO L263 TraceCheckSpWp]: Trace formula consists of 674 conjuncts, 4 conjunts are in the unsatisfiable core [2022-02-18 18:51:05,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 18:51:05,491 INFO L134 CoverageAnalysis]: Checked inductivity of 653 backedges. 38 proven. 1 refuted. 0 times theorem prover too weak. 614 trivial. 0 not checked. [2022-02-18 18:51:05,491 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 18:51:05,846 INFO L134 CoverageAnalysis]: Checked inductivity of 653 backedges. 38 proven. 1 refuted. 0 times theorem prover too weak. 614 trivial. 0 not checked. [2022-02-18 18:51:05,846 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [895573940] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 18:51:05,847 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 18:51:05,847 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2022-02-18 18:51:05,847 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899618022] [2022-02-18 18:51:05,847 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 18:51:05,848 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-18 18:51:05,848 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 18:51:05,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-18 18:51:05,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-02-18 18:51:05,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:51:05,848 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 18:51:05,849 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 23.75) internal successors, (190), 8 states have internal predecessors, (190), 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) [2022-02-18 18:51:05,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:51:05,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:51:05,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:51:05,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:51:05,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:51:05,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:51:05,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:51:05,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-18 18:51:05,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-18 18:51:05,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:51:05,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:51:05,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:51:05,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:51:05,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:51:05,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:51:05,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:51:05,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:51:05,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:51:05,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:51:05,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 18:51:05,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-18 18:51:05,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:51:05,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:51:05,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-18 18:51:06,000 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2022-02-18 18:51:06,195 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable40 [2022-02-18 18:51:06,196 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-02-18 18:51:06,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 18:51:06,196 INFO L85 PathProgramCache]: Analyzing trace with hash 367713596, now seen corresponding path program 2 times [2022-02-18 18:51:06,196 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 18:51:06,196 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791717668] [2022-02-18 18:51:06,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 18:51:06,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 18:51:06,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 18:51:06,299 INFO L134 CoverageAnalysis]: Checked inductivity of 728 backedges. 38 proven. 76 refuted. 0 times theorem prover too weak. 614 trivial. 0 not checked. [2022-02-18 18:51:06,299 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 18:51:06,299 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791717668] [2022-02-18 18:51:06,299 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791717668] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 18:51:06,299 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1781694166] [2022-02-18 18:51:06,300 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-18 18:51:06,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 18:51:06,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 18:51:06,304 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-18 18:51:06,335 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2022-02-18 18:51:06,561 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-18 18:51:06,561 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-18 18:51:06,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 740 conjuncts, 7 conjunts are in the unsatisfiable core [2022-02-18 18:51:06,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 18:51:07,042 INFO L134 CoverageAnalysis]: Checked inductivity of 728 backedges. 38 proven. 76 refuted. 0 times theorem prover too weak. 614 trivial. 0 not checked. [2022-02-18 18:51:07,042 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 18:51:07,473 INFO L134 CoverageAnalysis]: Checked inductivity of 728 backedges. 38 proven. 76 refuted. 0 times theorem prover too weak. 614 trivial. 0 not checked. [2022-02-18 18:51:07,473 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1781694166] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 18:51:07,473 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 18:51:07,473 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 14 [2022-02-18 18:51:07,473 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738229975] [2022-02-18 18:51:07,474 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 18:51:07,475 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-02-18 18:51:07,475 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 18:51:07,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-02-18 18:51:07,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2022-02-18 18:51:07,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:51:07,476 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 18:51:07,476 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 18.714285714285715) internal successors, (262), 14 states have internal predecessors, (262), 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) [2022-02-18 18:51:07,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:51:07,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:51:07,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:51:07,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:51:07,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:51:07,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:51:07,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:51:07,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-18 18:51:07,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-18 18:51:07,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:51:07,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:51:07,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-18 18:51:07,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:51:07,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:51:07,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:51:07,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:51:07,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:51:07,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:51:07,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:51:07,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:51:07,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 18:51:07,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-18 18:51:07,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:51:07,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:51:07,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-18 18:51:07,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-18 18:51:07,678 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2022-02-18 18:51:07,867 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 18:51:07,867 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-02-18 18:51:07,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 18:51:07,868 INFO L85 PathProgramCache]: Analyzing trace with hash -135462862, now seen corresponding path program 3 times [2022-02-18 18:51:07,868 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 18:51:07,868 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260328595] [2022-02-18 18:51:07,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 18:51:07,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 18:51:07,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 18:51:07,982 INFO L134 CoverageAnalysis]: Checked inductivity of 1202 backedges. 28 proven. 39 refuted. 0 times theorem prover too weak. 1135 trivial. 0 not checked. [2022-02-18 18:51:07,982 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 18:51:07,983 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260328595] [2022-02-18 18:51:07,983 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260328595] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 18:51:07,983 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1757294726] [2022-02-18 18:51:07,983 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-18 18:51:07,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 18:51:07,983 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 18:51:07,988 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-18 18:51:07,989 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2022-02-18 18:51:08,205 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-02-18 18:51:08,205 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-18 18:51:08,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 4 conjunts are in the unsatisfiable core [2022-02-18 18:51:08,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 18:51:08,717 INFO L134 CoverageAnalysis]: Checked inductivity of 1202 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1197 trivial. 0 not checked. [2022-02-18 18:51:08,717 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 18:51:09,139 INFO L134 CoverageAnalysis]: Checked inductivity of 1202 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1197 trivial. 0 not checked. [2022-02-18 18:51:09,140 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1757294726] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 18:51:09,140 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 18:51:09,140 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 13 [2022-02-18 18:51:09,140 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147475650] [2022-02-18 18:51:09,140 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 18:51:09,141 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-02-18 18:51:09,141 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 18:51:09,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-02-18 18:51:09,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-02-18 18:51:09,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:51:09,142 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 18:51:09,142 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 20.307692307692307) internal successors, (264), 13 states have internal predecessors, (264), 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) [2022-02-18 18:51:09,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:51:09,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:51:09,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:51:09,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:51:09,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:51:09,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:51:09,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:51:09,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-18 18:51:09,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-18 18:51:09,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:51:09,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:51:09,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-18 18:51:09,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-18 18:51:09,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:51:09,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:51:09,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:51:09,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:51:09,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:51:09,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:51:09,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:51:09,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:51:09,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 18:51:09,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-18 18:51:09,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:51:09,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:51:09,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-18 18:51:09,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-18 18:51:09,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-18 18:51:09,350 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2022-02-18 18:51:09,539 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 18:51:09,539 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-02-18 18:51:09,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 18:51:09,540 INFO L85 PathProgramCache]: Analyzing trace with hash 1954465188, now seen corresponding path program 4 times [2022-02-18 18:51:09,540 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 18:51:09,540 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103992408] [2022-02-18 18:51:09,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 18:51:09,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 18:51:09,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 18:51:09,682 INFO L134 CoverageAnalysis]: Checked inductivity of 1314 backedges. 4 proven. 76 refuted. 0 times theorem prover too weak. 1234 trivial. 0 not checked. [2022-02-18 18:51:09,682 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 18:51:09,682 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103992408] [2022-02-18 18:51:09,682 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2103992408] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 18:51:09,682 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1662968638] [2022-02-18 18:51:09,683 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-18 18:51:09,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 18:51:09,683 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 18:51:09,688 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-18 18:51:09,690 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2022-02-18 18:51:10,011 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-18 18:51:10,011 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-18 18:51:10,015 INFO L263 TraceCheckSpWp]: Trace formula consists of 956 conjuncts, 7 conjunts are in the unsatisfiable core [2022-02-18 18:51:10,021 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 18:51:10,587 INFO L134 CoverageAnalysis]: Checked inductivity of 1314 backedges. 28 proven. 76 refuted. 0 times theorem prover too weak. 1210 trivial. 0 not checked. [2022-02-18 18:51:10,588 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 18:51:11,104 INFO L134 CoverageAnalysis]: Checked inductivity of 1314 backedges. 28 proven. 76 refuted. 0 times theorem prover too weak. 1210 trivial. 0 not checked. [2022-02-18 18:51:11,104 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1662968638] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 18:51:11,104 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 18:51:11,104 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 20 [2022-02-18 18:51:11,104 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773577010] [2022-02-18 18:51:11,105 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 18:51:11,105 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-02-18 18:51:11,105 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 18:51:11,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-02-18 18:51:11,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=287, Unknown=0, NotChecked=0, Total=380 [2022-02-18 18:51:11,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:51:11,106 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 18:51:11,106 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 17.4) internal successors, (348), 20 states have internal predecessors, (348), 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) [2022-02-18 18:51:11,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:51:11,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:51:11,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:51:11,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:51:11,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:51:11,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:51:11,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:51:11,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-18 18:51:11,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-18 18:51:11,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:51:11,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:51:11,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-18 18:51:11,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-18 18:51:11,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-18 18:51:11,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:51:11,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 18:51:11,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:51:11,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:51:11,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:51:11,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:51:11,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:51:11,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:51:11,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-18 18:51:11,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-18 18:51:11,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 18:51:11,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-18 18:51:11,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-18 18:51:11,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-18 18:51:11,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-18 18:51:11,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-18 18:51:11,372 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2022-02-18 18:51:11,551 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 18:51:11,551 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-02-18 18:51:11,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 18:51:11,552 INFO L85 PathProgramCache]: Analyzing trace with hash -1937418345, now seen corresponding path program 5 times [2022-02-18 18:51:11,552 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 18:51:11,552 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912506707] [2022-02-18 18:51:11,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 18:51:11,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 18:51:11,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 18:51:11,712 INFO L134 CoverageAnalysis]: Checked inductivity of 1837 backedges. 4 proven. 125 refuted. 0 times theorem prover too weak. 1708 trivial. 0 not checked. [2022-02-18 18:51:11,713 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 18:51:11,713 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912506707] [2022-02-18 18:51:11,713 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1912506707] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 18:51:11,713 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1673741284] [2022-02-18 18:51:11,713 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-18 18:51:11,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 18:51:11,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 18:51:11,716 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-18 18:51:11,739 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process Received shutdown request... [2022-02-18 19:03:31,591 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-18 19:03:31,591 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (17)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-18 19:03:31,591 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 [2022-02-18 19:03:31,591 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-18 19:03:31,591 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (10)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-18 19:03:31,597 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-18 19:03:32,654 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (10)] Ended with exit code 0 [2022-02-18 19:03:32,659 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (17)] Ended with exit code 0 [2022-02-18 19:03:32,660 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-02-18 19:03:32,663 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Forceful destruction successful, exit code 0 [2022-02-18 19:03:32,663 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 [2022-02-18 19:03:32,797 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forcibly destroying the process [2022-02-18 19:03:32,846 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 137 [2022-02-18 19:03:32,848 WARN L317 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-02-18 19:03:32,848 INFO L191 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-02-18 19:03:32,848 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2022-02-18 19:03:32,848 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102509824] [2022-02-18 19:03:32,848 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-02-18 19:03:32,849 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-18 19:03:32,849 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 19:03:32,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-18 19:03:32,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-02-18 19:03:32,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 19:03:32,849 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 19:03:32,850 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 23.666666666666668) internal successors, (213), 9 states have internal predecessors, (213), 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) [2022-02-18 19:03:32,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 19:03:32,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-18 19:03:32,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-18 19:03:32,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-18 19:03:32,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-18 19:03:32,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-18 19:03:32,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-18 19:03:32,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-18 19:03:32,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-18 19:03:32,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-18 19:03:32,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-02-18 19:03:32,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-18 19:03:32,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-18 19:03:32,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-18 19:03:32,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-18 19:03:32,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 19:03:32,851 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-02-18 19:03:32,851 WARN L594 AbstractCegarLoop]: Verification canceled: while executing DepthFirstTraversal. [2022-02-18 19:03:32,852 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (5 of 6 remaining) [2022-02-18 19:03:32,852 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 6 remaining) [2022-02-18 19:03:32,852 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 6 remaining) [2022-02-18 19:03:32,852 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 6 remaining) [2022-02-18 19:03:32,852 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 6 remaining) [2022-02-18 19:03:32,852 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2022-02-18 19:03:32,853 INFO L732 BasicCegarLoop]: Path program histogram: [5, 3, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 19:03:32,855 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 4 thread instances [2022-02-18 19:03:32,855 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-18 19:03:32,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.02 07:03:32 BasicIcfg [2022-02-18 19:03:32,858 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-18 19:03:32,859 INFO L158 Benchmark]: Toolchain (without parser) took 871953.96ms. Allocated memory was 173.0MB in the beginning and 402.7MB in the end (delta: 229.6MB). Free memory was 144.0MB in the beginning and 211.3MB in the end (delta: -67.3MB). Peak memory consumption was 162.0MB. Max. memory is 8.0GB. [2022-02-18 19:03:32,859 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 173.0MB. Free memory is still 131.6MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-18 19:03:32,859 INFO L158 Benchmark]: CACSL2BoogieTranslator took 562.70ms. Allocated memory was 173.0MB in the beginning and 278.9MB in the end (delta: 105.9MB). Free memory was 143.8MB in the beginning and 234.1MB in the end (delta: -90.2MB). Peak memory consumption was 21.4MB. Max. memory is 8.0GB. [2022-02-18 19:03:32,859 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.29ms. Allocated memory is still 278.9MB. Free memory was 234.1MB in the beginning and 232.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-18 19:03:32,860 INFO L158 Benchmark]: Boogie Preprocessor took 49.03ms. Allocated memory is still 278.9MB. Free memory was 232.0MB in the beginning and 230.4MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-18 19:03:32,860 INFO L158 Benchmark]: RCFGBuilder took 426.26ms. Allocated memory is still 278.9MB. Free memory was 230.4MB in the beginning and 216.2MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2022-02-18 19:03:32,860 INFO L158 Benchmark]: TraceAbstraction took 870840.87ms. Allocated memory was 278.9MB in the beginning and 402.7MB in the end (delta: 123.7MB). Free memory was 215.7MB in the beginning and 211.3MB in the end (delta: 4.4MB). Peak memory consumption was 129.2MB. Max. memory is 8.0GB. [2022-02-18 19:03:32,861 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 173.0MB. Free memory is still 131.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 562.70ms. Allocated memory was 173.0MB in the beginning and 278.9MB in the end (delta: 105.9MB). Free memory was 143.8MB in the beginning and 234.1MB in the end (delta: -90.2MB). Peak memory consumption was 21.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 70.29ms. Allocated memory is still 278.9MB. Free memory was 234.1MB in the beginning and 232.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 49.03ms. Allocated memory is still 278.9MB. Free memory was 232.0MB in the beginning and 230.4MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 426.26ms. Allocated memory is still 278.9MB. Free memory was 230.4MB in the beginning and 216.2MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 870840.87ms. Allocated memory was 278.9MB in the beginning and 402.7MB in the end (delta: 123.7MB). Free memory was 215.7MB in the beginning and 211.3MB in the end (delta: 4.4MB). Peak memory consumption was 129.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 499, positive: 390, positive conditional: 390, positive unconditional: 0, negative: 109, negative conditional: 109, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 390, positive: 390, positive conditional: 390, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 390, positive: 390, positive conditional: 390, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 390, positive: 390, positive conditional: 350, positive unconditional: 40, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 390, positive: 390, positive conditional: 119, positive unconditional: 271, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 390, positive: 390, positive conditional: 119, positive unconditional: 271, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 106, positive: 106, positive conditional: 61, positive unconditional: 45, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 106, positive: 106, positive conditional: 0, positive unconditional: 106, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 390, positive: 284, positive conditional: 58, positive unconditional: 226, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 106, unknown conditional: 61, unknown unconditional: 45] , Statistics on independence cache: Total cache size (in pairs): 106, Positive cache size: 106, Positive conditional cache size: 61, Positive unconditional cache size: 45, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 231, Maximal queried relation: 0, Independence queries for same thread: 109 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1649, positive: 1302, positive conditional: 1302, positive unconditional: 0, negative: 347, negative conditional: 347, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1302, positive: 1302, positive conditional: 1302, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1302, positive: 1302, positive conditional: 1302, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1302, positive: 1302, positive conditional: 1137, positive unconditional: 165, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1302, positive: 1302, positive conditional: 358, positive unconditional: 944, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1302, positive: 1302, positive conditional: 358, positive unconditional: 944, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 174, positive: 174, positive conditional: 86, positive unconditional: 88, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 174, positive: 174, positive conditional: 0, positive unconditional: 174, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1302, positive: 1128, positive conditional: 272, positive unconditional: 856, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 174, unknown conditional: 86, unknown unconditional: 88] , Statistics on independence cache: Total cache size (in pairs): 174, Positive cache size: 174, Positive conditional cache size: 86, Positive unconditional cache size: 88, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 779, Maximal queried relation: 0, Independence queries for same thread: 347 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3151, positive: 2495, positive conditional: 2495, positive unconditional: 0, negative: 656, negative conditional: 656, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2495, positive: 2495, positive conditional: 2495, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2495, positive: 2495, positive conditional: 2495, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2495, positive: 2495, positive conditional: 2014, positive unconditional: 481, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2495, positive: 2495, positive conditional: 635, positive unconditional: 1860, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2495, positive: 2495, positive conditional: 635, positive unconditional: 1860, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 202, positive: 202, positive conditional: 71, positive unconditional: 131, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 202, positive: 202, positive conditional: 0, positive unconditional: 202, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2495, positive: 2293, positive conditional: 564, positive unconditional: 1729, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 202, unknown conditional: 71, unknown unconditional: 131] , Statistics on independence cache: Total cache size (in pairs): 202, Positive cache size: 202, Positive conditional cache size: 71, Positive unconditional cache size: 131, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 1379, Maximal queried relation: 0, Independence queries for same thread: 656 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5004, positive: 3968, positive conditional: 3968, positive unconditional: 0, negative: 1036, negative conditional: 1036, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3968, positive: 3968, positive conditional: 3968, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3968, positive: 3968, positive conditional: 3968, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3968, positive: 3968, positive conditional: 3285, positive unconditional: 683, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3968, positive: 3968, positive conditional: 928, positive unconditional: 3040, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3968, positive: 3968, positive conditional: 928, positive unconditional: 3040, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 302, positive: 302, positive conditional: 132, positive unconditional: 170, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 302, positive: 302, positive conditional: 0, positive unconditional: 302, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3968, positive: 3666, positive conditional: 796, positive unconditional: 2870, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 302, unknown conditional: 132, unknown unconditional: 170] , Statistics on independence cache: Total cache size (in pairs): 302, Positive cache size: 302, Positive conditional cache size: 132, Positive unconditional cache size: 170, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 2357, Maximal queried relation: 0, Independence queries for same thread: 1036 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 1047]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 998]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while executing DepthFirstTraversal. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 116 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 3.5s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.6s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 40, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 768 NumberOfCodeBlocks, 768 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 763 ConstructedInterpolants, 0 QuantifiedInterpolants, 1944 SizeOfPredicates, 2 NumberOfNonLiveVariables, 438 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 9 InterpolantComputations, 3 PerfectInterpolantSequences, 40/271 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data with 2 thread instances CFG has 4 procedures, 149 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 5.7s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.8s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 80, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 2214 NumberOfCodeBlocks, 2188 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 2596 ConstructedInterpolants, 0 QuantifiedInterpolants, 5064 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1530 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 17 InterpolantComputations, 5 PerfectInterpolantSequences, 2440/3124 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data with 3 thread instances CFG has 5 procedures, 182 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 109.0s, OverallIterations: 13, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 1.4s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 109, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 100.6s SatisfiabilityAnalysisTime, 4.6s InterpolantComputationTime, 4097 NumberOfCodeBlocks, 3907 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 4974 ConstructedInterpolants, 0 QuantifiedInterpolants, 7669 SizeOfPredicates, 6 NumberOfNonLiveVariables, 2853 ConjunctsInSsa, 33 ConjunctsInUnsatCore, 23 InterpolantComputations, 7 PerfectInterpolantSequences, 7761/8575 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data with 4 thread instances CFG has 6 procedures, 215 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 752.4s, OverallIterations: 16, TraceHistogramMax: 0, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 1.7s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 130, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 5.9s InterpolantComputationTime, 6054 NumberOfCodeBlocks, 5719 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 7999 ConstructedInterpolants, 0 QuantifiedInterpolants, 11067 SizeOfPredicates, 7 NumberOfNonLiveVariables, 3893 ConjunctsInSsa, 36 ConjunctsInUnsatCore, 29 InterpolantComputations, 9 PerfectInterpolantSequences, 14953/15748 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