/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-MCRwithDepranks-Lazy-NoForkJoinOpt.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-c7b2d19 [2022-03-16 08:33:01,917 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-16 08:33:01,919 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-16 08:33:01,977 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-16 08:33:01,978 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-16 08:33:01,979 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-16 08:33:01,981 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-16 08:33:01,985 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-16 08:33:01,986 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-16 08:33:01,990 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-16 08:33:01,990 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-16 08:33:01,991 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-16 08:33:01,991 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-16 08:33:01,993 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-16 08:33:01,994 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-16 08:33:01,999 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-16 08:33:02,000 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-16 08:33:02,000 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-16 08:33:02,002 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-16 08:33:02,005 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-16 08:33:02,006 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-16 08:33:02,007 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-16 08:33:02,008 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-16 08:33:02,009 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-16 08:33:02,013 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-16 08:33:02,019 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-16 08:33:02,019 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-16 08:33:02,020 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-16 08:33:02,020 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-MCRwithDepranks-Lazy-NoForkJoinOpt.epf [2022-03-16 08:33:02,049 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-16 08:33:02,049 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-16 08:33:02,049 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-16 08:33:02,049 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-16 08:33:02,050 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-16 08:33:02,050 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-16 08:33:02,051 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-16 08:33:02,051 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-16 08:33:02,051 INFO L138 SettingsManager]: * Use SBE=true [2022-03-16 08:33:02,051 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-16 08:33:02,051 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-16 08:33:02,052 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-16 08:33:02,052 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-16 08:33:02,052 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-16 08:33:02,052 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-16 08:33:02,052 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-16 08:33:02,052 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-16 08:33:02,052 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-16 08:33:02,052 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-16 08:33:02,052 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-16 08:33:02,052 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-16 08:33:02,052 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-16 08:33:02,052 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-16 08:33:02,053 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-16 08:33:02,053 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-16 08:33:02,053 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 08:33:02,054 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-16 08:33:02,054 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-16 08:33:02,054 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-16 08:33:02,054 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-16 08:33:02,054 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-16 08:33:02,054 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-16 08:33:02,054 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-16 08:33:02,054 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-16 08:33:02,054 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-16 08:33:02,054 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-16 08:33:02,054 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-16 08:33:02,055 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-16 08:33:02,224 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-16 08:33:02,253 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-16 08:33:02,254 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-16 08:33:02,255 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-16 08:33:02,256 INFO L275 PluginConnector]: CDTParser initialized [2022-03-16 08:33:02,256 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-lit/sssc12_variant.i [2022-03-16 08:33:02,303 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f919c62a/5df1ef28ab524421855d65895b419056/FLAG2d61f6070 [2022-03-16 08:33:02,726 INFO L306 CDTParser]: Found 1 translation units. [2022-03-16 08:33:02,727 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-lit/sssc12_variant.i [2022-03-16 08:33:02,746 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f919c62a/5df1ef28ab524421855d65895b419056/FLAG2d61f6070 [2022-03-16 08:33:03,081 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f919c62a/5df1ef28ab524421855d65895b419056 [2022-03-16 08:33:03,083 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-16 08:33:03,084 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-16 08:33:03,085 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-16 08:33:03,085 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-16 08:33:03,089 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-16 08:33:03,089 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 08:33:03" (1/1) ... [2022-03-16 08:33:03,090 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dfbd306 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 08:33:03, skipping insertion in model container [2022-03-16 08:33:03,090 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 08:33:03" (1/1) ... [2022-03-16 08:33:03,096 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-16 08:33:03,137 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-16 08:33:03,425 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] [2022-03-16 08:33:03,440 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-16 08:33:03,446 INFO L203 MainTranslator]: Completed pre-run [2022-03-16 08:33:03,475 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] [2022-03-16 08:33:03,479 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-16 08:33:03,516 INFO L208 MainTranslator]: Completed translation [2022-03-16 08:33:03,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 08:33:03 WrapperNode [2022-03-16 08:33:03,516 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-16 08:33:03,517 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-16 08:33:03,517 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-16 08:33:03,517 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-16 08:33:03,523 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 08:33:03" (1/1) ... [2022-03-16 08:33:03,533 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 08:33:03" (1/1) ... [2022-03-16 08:33:03,552 INFO L137 Inliner]: procedures = 275, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 87 [2022-03-16 08:33:03,553 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-16 08:33:03,553 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-16 08:33:03,553 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-16 08:33:03,553 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-16 08:33:03,559 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 08:33:03" (1/1) ... [2022-03-16 08:33:03,559 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 08:33:03" (1/1) ... [2022-03-16 08:33:03,569 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 08:33:03" (1/1) ... [2022-03-16 08:33:03,570 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 08:33:03" (1/1) ... [2022-03-16 08:33:03,573 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 08:33:03" (1/1) ... [2022-03-16 08:33:03,583 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 08:33:03" (1/1) ... [2022-03-16 08:33:03,584 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 08:33:03" (1/1) ... [2022-03-16 08:33:03,586 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-16 08:33:03,586 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-16 08:33:03,586 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-16 08:33:03,586 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-16 08:33:03,587 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 08:33:03" (1/1) ... [2022-03-16 08:33:03,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 08:33:03,611 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 08:33:03,620 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) [2022-03-16 08:33:03,622 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 [2022-03-16 08:33:03,661 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-03-16 08:33:03,661 INFO L130 BoogieDeclarations]: Found specification of procedure thr [2022-03-16 08:33:03,661 INFO L138 BoogieDeclarations]: Found implementation of procedure thr [2022-03-16 08:33:03,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-16 08:33:03,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-16 08:33:03,662 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-03-16 08:33:03,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-16 08:33:03,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-16 08:33:03,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-03-16 08:33:03,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-16 08:33:03,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-16 08:33:03,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-16 08:33:03,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-16 08:33:03,663 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-16 08:33:03,812 INFO L234 CfgBuilder]: Building ICFG [2022-03-16 08:33:03,813 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-16 08:33:04,004 INFO L275 CfgBuilder]: Performing block encoding [2022-03-16 08:33:04,044 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-16 08:33:04,044 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-03-16 08:33:04,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 08:33:04 BoogieIcfgContainer [2022-03-16 08:33:04,045 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-16 08:33:04,046 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-16 08:33:04,047 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-16 08:33:04,052 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-16 08:33:04,053 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.03 08:33:03" (1/3) ... [2022-03-16 08:33:04,054 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59550d92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 08:33:04, skipping insertion in model container [2022-03-16 08:33:04,054 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 08:33:03" (2/3) ... [2022-03-16 08:33:04,054 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59550d92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 08:33:04, skipping insertion in model container [2022-03-16 08:33:04,054 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 08:33:04" (3/3) ... [2022-03-16 08:33:04,055 INFO L111 eAbstractionObserver]: Analyzing ICFG sssc12_variant.i [2022-03-16 08:33:04,059 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-16 08:33:04,060 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-16 08:33:04,060 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-16 08:33:04,060 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-16 08:33:04,094 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:04,094 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:04,094 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:04,094 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:04,095 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:04,095 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:04,095 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:04,095 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:04,095 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:04,095 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:04,095 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:04,095 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:04,096 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:04,096 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:04,096 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:04,096 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:04,096 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:04,096 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:04,097 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:04,097 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:04,100 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:04,100 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:04,100 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:04,101 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:04,101 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:04,102 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:04,102 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:04,103 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:04,103 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:04,103 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:04,103 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:04,103 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:04,103 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:04,103 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:04,104 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:04,104 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:04,104 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:04,104 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:04,104 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:04,104 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:04,104 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:04,105 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:04,105 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:04,105 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:04,106 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:04,106 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:04,107 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:04,108 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:04,108 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:04,108 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:04,108 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:04,108 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:04,108 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:04,108 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:04,108 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:04,109 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:04,109 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:04,109 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:04,109 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:04,109 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:04,110 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:04,110 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:04,110 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:04,110 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:04,110 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:04,110 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:04,110 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:04,111 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:04,111 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:04,111 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:04,114 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:04,114 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:04,114 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:04,114 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:04,114 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:04,114 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:04,114 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:04,114 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:04,115 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:04,115 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:04,115 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:04,118 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-03-16 08:33:04,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-16 08:33:04,159 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 08:33:04,161 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) [2022-03-16 08:33:04,162 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 [2022-03-16 08:33:04,184 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-16 08:33:04,188 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=false, mMcrOverapproximateWrwc=true [2022-03-16 08:33:04,189 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-03-16 08:33:04,226 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 89 transitions and produced 90 states. [2022-03-16 08:33:04,227 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-16 08:33:04,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 08:33:04,231 INFO L85 PathProgramCache]: Analyzing trace with hash -557869801, now seen corresponding path program 1 times [2022-03-16 08:33:04,236 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 08:33:04,237 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492463385] [2022-03-16 08:33:04,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 08:33:04,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 08:33:04,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 08:33:04,412 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-16 08:33:04,412 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 08:33:04,412 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492463385] [2022-03-16 08:33:04,413 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1492463385] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 08:33:04,413 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 08:33:04,413 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-16 08:33:04,414 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831619328] [2022-03-16 08:33:04,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 08:33:04,418 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-03-16 08:33:04,418 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 08:33:04,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-03-16 08:33:04,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-03-16 08:33:04,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:33:04,438 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 08:33:04,439 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) [2022-03-16 08:33:04,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:33:04,477 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 95 transitions and produced 96 states. [2022-03-16 08:33:04,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:33:04,478 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-16 08:33:04,478 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-16 08:33:04,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 08:33:04,479 INFO L85 PathProgramCache]: Analyzing trace with hash 1882743449, now seen corresponding path program 1 times [2022-03-16 08:33:04,479 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 08:33:04,480 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156165492] [2022-03-16 08:33:04,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 08:33:04,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 08:33:04,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 08:33:04,630 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-03-16 08:33:04,631 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 08:33:04,631 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156165492] [2022-03-16 08:33:04,631 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156165492] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 08:33:04,631 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 08:33:04,631 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-16 08:33:04,631 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688646332] [2022-03-16 08:33:04,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 08:33:04,632 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-16 08:33:04,632 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 08:33:04,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-16 08:33:04,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-03-16 08:33:04,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:33:04,633 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 08:33:04,633 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) [2022-03-16 08:33:04,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:33:04,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:33:04,682 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 110 transitions and produced 111 states. [2022-03-16 08:33:04,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:33:04,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-16 08:33:04,682 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-16 08:33:04,683 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-16 08:33:04,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 08:33:04,683 INFO L85 PathProgramCache]: Analyzing trace with hash 1249057103, now seen corresponding path program 1 times [2022-03-16 08:33:04,683 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 08:33:04,683 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938011111] [2022-03-16 08:33:04,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 08:33:04,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 08:33:04,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 08:33:04,816 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-03-16 08:33:04,817 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 08:33:04,817 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938011111] [2022-03-16 08:33:04,817 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938011111] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 08:33:04,817 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 08:33:04,818 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-16 08:33:04,818 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783487425] [2022-03-16 08:33:04,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 08:33:04,818 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-16 08:33:04,818 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 08:33:04,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-16 08:33:04,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-03-16 08:33:04,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:33:04,819 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 08:33:04,819 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) [2022-03-16 08:33:04,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:33:04,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-03-16 08:33:04,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:33:04,914 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 121 transitions and produced 122 states. [2022-03-16 08:33:04,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:33:04,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-16 08:33:04,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:33:04,915 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-16 08:33:04,915 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-16 08:33:04,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 08:33:04,916 INFO L85 PathProgramCache]: Analyzing trace with hash -41667774, now seen corresponding path program 1 times [2022-03-16 08:33:04,916 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 08:33:04,916 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214170406] [2022-03-16 08:33:04,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 08:33:04,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 08:33:04,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 08:33:05,067 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-03-16 08:33:05,068 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 08:33:05,068 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214170406] [2022-03-16 08:33:05,068 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1214170406] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 08:33:05,068 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [234225204] [2022-03-16 08:33:05,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 08:33:05,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 08:33:05,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 08:33:05,070 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) [2022-03-16 08:33:05,154 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-16 08:33:05,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 08:33:05,203 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 4 conjunts are in the unsatisfiable core [2022-03-16 08:33:05,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 08:33:05,413 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-03-16 08:33:05,413 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 08:33:05,562 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-03-16 08:33:05,563 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [234225204] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 08:33:05,563 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 08:33:05,563 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2022-03-16 08:33:05,563 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362643580] [2022-03-16 08:33:05,563 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 08:33:05,564 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-16 08:33:05,564 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 08:33:05,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-16 08:33:05,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2022-03-16 08:33:05,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:33:05,565 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 08:33:05,565 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) [2022-03-16 08:33:05,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:33:05,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-03-16 08:33:05,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:33:05,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:33:05,683 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 203 transitions and produced 204 states. [2022-03-16 08:33:05,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:33:05,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-16 08:33:05,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:33:05,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-16 08:33:05,703 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-03-16 08:33:05,895 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 [2022-03-16 08:33:05,896 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-16 08:33:05,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 08:33:05,896 INFO L85 PathProgramCache]: Analyzing trace with hash -733715395, now seen corresponding path program 2 times [2022-03-16 08:33:05,896 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 08:33:05,897 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853758789] [2022-03-16 08:33:05,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 08:33:05,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 08:33:05,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 08:33:06,048 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 1 proven. 76 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-03-16 08:33:06,048 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 08:33:06,048 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853758789] [2022-03-16 08:33:06,049 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853758789] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 08:33:06,049 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1172017636] [2022-03-16 08:33:06,049 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-16 08:33:06,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 08:33:06,049 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 08:33:06,050 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) [2022-03-16 08:33:06,051 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-16 08:33:06,131 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-16 08:33:06,131 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 08:33:06,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 7 conjunts are in the unsatisfiable core [2022-03-16 08:33:06,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 08:33:06,354 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 1 proven. 76 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-03-16 08:33:06,354 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 08:33:06,549 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 1 proven. 76 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-03-16 08:33:06,549 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1172017636] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 08:33:06,550 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 08:33:06,550 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 17 [2022-03-16 08:33:06,550 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821572207] [2022-03-16 08:33:06,550 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 08:33:06,550 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-03-16 08:33:06,551 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 08:33:06,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-03-16 08:33:06,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2022-03-16 08:33:06,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:33:06,551 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 08:33:06,552 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) [2022-03-16 08:33:06,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:33:06,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-03-16 08:33:06,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:33:06,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-16 08:33:06,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:33:06,674 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 365 transitions and produced 366 states. [2022-03-16 08:33:06,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:33:06,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-16 08:33:06,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:33:06,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-16 08:33:06,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-16 08:33:06,695 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-16 08:33:06,891 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 [2022-03-16 08:33:06,892 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-16 08:33:06,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 08:33:06,892 INFO L85 PathProgramCache]: Analyzing trace with hash -2097897037, now seen corresponding path program 3 times [2022-03-16 08:33:06,892 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 08:33:06,892 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74959696] [2022-03-16 08:33:06,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 08:33:06,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 08:33:06,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-16 08:33:06,952 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-16 08:33:06,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-16 08:33:07,027 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-16 08:33:07,028 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-03-16 08:33:07,030 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 3 remaining) [2022-03-16 08:33:07,032 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2022-03-16 08:33:07,032 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2022-03-16 08:33:07,032 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-03-16 08:33:07,037 INFO L732 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1] [2022-03-16 08:33:07,038 WARN L235 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2022-03-16 08:33:07,038 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2022-03-16 08:33:07,071 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,071 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,071 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,071 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,071 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,071 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,072 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,072 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,072 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,072 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,072 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,072 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,072 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,073 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,073 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,073 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,073 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,073 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,073 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,073 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,073 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,074 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,074 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,074 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,074 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,074 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,074 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,074 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,074 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,074 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,074 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,074 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,075 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,075 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,075 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,075 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,075 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,075 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,075 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,075 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,075 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,075 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,075 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,077 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,077 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,077 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,077 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,077 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,077 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,077 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,079 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,083 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,084 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,084 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,085 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,085 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,085 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,085 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,085 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,085 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,085 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,085 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,085 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,085 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,085 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,085 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,085 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,085 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,086 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,086 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,087 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,088 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,088 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,088 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,088 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,088 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,088 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,088 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,088 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,088 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,088 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,088 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,088 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,088 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,088 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,088 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,089 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,089 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,089 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,089 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,090 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,090 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,090 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,090 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,090 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,090 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,090 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,090 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,090 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,091 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,091 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,091 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,091 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,091 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,091 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,091 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,091 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,091 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,091 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,091 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,091 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,091 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,092 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,092 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,092 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,092 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,092 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,092 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,092 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,092 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,092 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,092 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,093 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,093 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,093 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,093 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,093 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,094 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,094 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,094 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,095 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,095 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,095 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,095 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,095 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,095 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,095 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,095 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,095 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,095 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,096 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,096 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,096 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,096 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,096 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,096 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,096 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,096 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,096 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,096 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,096 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,097 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,097 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,097 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,097 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,097 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,097 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,098 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,098 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,098 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,098 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,098 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:07,098 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-03-16 08:33:07,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-16 08:33:07,100 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 08:33:07,104 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) [2022-03-16 08:33:07,105 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 [2022-03-16 08:33:07,107 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-16 08:33:07,108 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=false, mMcrOverapproximateWrwc=true [2022-03-16 08:33:07,108 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-03-16 08:33:07,116 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 89 transitions and produced 90 states. [2022-03-16 08:33:07,117 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-16 08:33:07,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 08:33:07,117 INFO L85 PathProgramCache]: Analyzing trace with hash 2073364607, now seen corresponding path program 1 times [2022-03-16 08:33:07,117 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 08:33:07,117 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300224483] [2022-03-16 08:33:07,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 08:33:07,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 08:33:07,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 08:33:07,134 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-16 08:33:07,134 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 08:33:07,134 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300224483] [2022-03-16 08:33:07,134 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [300224483] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 08:33:07,134 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 08:33:07,134 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-16 08:33:07,135 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009523146] [2022-03-16 08:33:07,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 08:33:07,135 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-03-16 08:33:07,135 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 08:33:07,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-03-16 08:33:07,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-03-16 08:33:07,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:33:07,136 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 08:33:07,136 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) [2022-03-16 08:33:07,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:33:07,152 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 149 transitions and produced 150 states. [2022-03-16 08:33:07,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:33:07,153 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-03-16 08:33:07,153 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-16 08:33:07,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 08:33:07,153 INFO L85 PathProgramCache]: Analyzing trace with hash -376279116, now seen corresponding path program 1 times [2022-03-16 08:33:07,154 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 08:33:07,154 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278606751] [2022-03-16 08:33:07,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 08:33:07,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 08:33:07,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 08:33:07,182 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-03-16 08:33:07,183 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 08:33:07,183 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278606751] [2022-03-16 08:33:07,183 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1278606751] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 08:33:07,183 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 08:33:07,183 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-16 08:33:07,183 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098261214] [2022-03-16 08:33:07,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 08:33:07,184 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-16 08:33:07,184 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 08:33:07,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-16 08:33:07,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-16 08:33:07,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:33:07,184 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 08:33:07,184 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) [2022-03-16 08:33:07,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:33:07,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:33:07,213 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 163 transitions and produced 164 states. [2022-03-16 08:33:07,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:33:07,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:33:07,214 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-03-16 08:33:07,214 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-16 08:33:07,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 08:33:07,214 INFO L85 PathProgramCache]: Analyzing trace with hash -1985919002, now seen corresponding path program 1 times [2022-03-16 08:33:07,215 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 08:33:07,215 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968274428] [2022-03-16 08:33:07,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 08:33:07,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 08:33:07,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 08:33:07,260 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-03-16 08:33:07,260 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 08:33:07,260 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968274428] [2022-03-16 08:33:07,261 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [968274428] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 08:33:07,261 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 08:33:07,261 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-16 08:33:07,261 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828583071] [2022-03-16 08:33:07,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 08:33:07,261 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-16 08:33:07,262 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 08:33:07,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-16 08:33:07,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-03-16 08:33:07,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:33:07,263 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 08:33:07,263 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) [2022-03-16 08:33:07,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:33:07,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:33:07,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:33:07,323 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 175 transitions and produced 176 states. [2022-03-16 08:33:07,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:33:07,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:33:07,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:33:07,324 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-03-16 08:33:07,324 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-16 08:33:07,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 08:33:07,325 INFO L85 PathProgramCache]: Analyzing trace with hash 286182301, now seen corresponding path program 1 times [2022-03-16 08:33:07,325 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 08:33:07,325 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780596917] [2022-03-16 08:33:07,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 08:33:07,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 08:33:07,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 08:33:07,380 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-03-16 08:33:07,380 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 08:33:07,380 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780596917] [2022-03-16 08:33:07,380 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780596917] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 08:33:07,380 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 08:33:07,380 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-16 08:33:07,381 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010113624] [2022-03-16 08:33:07,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 08:33:07,381 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-16 08:33:07,381 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 08:33:07,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-16 08:33:07,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-03-16 08:33:07,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:33:07,382 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 08:33:07,382 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) [2022-03-16 08:33:07,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:33:07,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:33:07,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:33:07,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:33:07,415 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 110 transitions and produced 111 states. [2022-03-16 08:33:07,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:33:07,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:33:07,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:33:07,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-16 08:33:07,416 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-03-16 08:33:07,416 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-16 08:33:07,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 08:33:07,417 INFO L85 PathProgramCache]: Analyzing trace with hash -221492817, now seen corresponding path program 1 times [2022-03-16 08:33:07,417 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 08:33:07,417 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106407051] [2022-03-16 08:33:07,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 08:33:07,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 08:33:07,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 08:33:07,450 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-03-16 08:33:07,450 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 08:33:07,450 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106407051] [2022-03-16 08:33:07,450 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106407051] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 08:33:07,450 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 08:33:07,450 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-16 08:33:07,450 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648088442] [2022-03-16 08:33:07,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 08:33:07,451 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-16 08:33:07,451 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 08:33:07,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-16 08:33:07,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-03-16 08:33:07,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:33:07,451 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 08:33:07,452 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) [2022-03-16 08:33:07,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:33:07,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:33:07,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:33:07,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-03-16 08:33:07,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:33:07,526 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 202 transitions and produced 203 states. [2022-03-16 08:33:07,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:33:07,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:33:07,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:33:07,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-16 08:33:07,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:33:07,527 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-03-16 08:33:07,527 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-16 08:33:07,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 08:33:07,528 INFO L85 PathProgramCache]: Analyzing trace with hash -1311680556, now seen corresponding path program 1 times [2022-03-16 08:33:07,528 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 08:33:07,528 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972365153] [2022-03-16 08:33:07,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 08:33:07,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 08:33:07,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 08:33:07,580 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-03-16 08:33:07,580 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 08:33:07,581 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972365153] [2022-03-16 08:33:07,581 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [972365153] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 08:33:07,581 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1097769742] [2022-03-16 08:33:07,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 08:33:07,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 08:33:07,581 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 08:33:07,583 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) [2022-03-16 08:33:07,583 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-16 08:33:07,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 08:33:07,669 INFO L263 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 4 conjunts are in the unsatisfiable core [2022-03-16 08:33:07,671 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 08:33:07,801 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-03-16 08:33:07,801 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 08:33:07,944 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-03-16 08:33:07,944 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1097769742] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 08:33:07,944 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 08:33:07,944 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2022-03-16 08:33:07,945 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168680025] [2022-03-16 08:33:07,945 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 08:33:07,945 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-16 08:33:07,945 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 08:33:07,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-16 08:33:07,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2022-03-16 08:33:07,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:33:07,946 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 08:33:07,947 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) [2022-03-16 08:33:07,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:33:07,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:33:07,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:33:07,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-03-16 08:33:07,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:33:07,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:33:08,062 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 284 transitions and produced 285 states. [2022-03-16 08:33:08,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:33:08,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:33:08,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:33:08,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-16 08:33:08,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:33:08,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-16 08:33:08,082 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-03-16 08:33:08,275 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 [2022-03-16 08:33:08,276 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-16 08:33:08,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 08:33:08,276 INFO L85 PathProgramCache]: Analyzing trace with hash -654156423, now seen corresponding path program 2 times [2022-03-16 08:33:08,276 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 08:33:08,276 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229590805] [2022-03-16 08:33:08,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 08:33:08,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 08:33:08,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 08:33:08,383 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 12 proven. 76 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-03-16 08:33:08,383 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 08:33:08,384 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229590805] [2022-03-16 08:33:08,384 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229590805] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 08:33:08,384 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1214411481] [2022-03-16 08:33:08,384 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-16 08:33:08,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 08:33:08,384 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 08:33:08,385 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) [2022-03-16 08:33:08,386 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-03-16 08:33:08,478 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-16 08:33:08,478 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 08:33:08,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 4 conjunts are in the unsatisfiable core [2022-03-16 08:33:08,484 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 08:33:08,660 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2022-03-16 08:33:08,661 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 08:33:08,841 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2022-03-16 08:33:08,841 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1214411481] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 08:33:08,841 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 08:33:08,841 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 15 [2022-03-16 08:33:08,843 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726949516] [2022-03-16 08:33:08,843 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 08:33:08,844 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-03-16 08:33:08,844 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 08:33:08,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-03-16 08:33:08,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2022-03-16 08:33:08,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:33:08,844 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 08:33:08,845 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) [2022-03-16 08:33:08,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:33:08,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:33:08,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:33:08,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-03-16 08:33:08,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:33:08,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-16 08:33:08,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:33:08,992 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 392 transitions and produced 393 states. [2022-03-16 08:33:08,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:33:08,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:33:08,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:33:08,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-16 08:33:08,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:33:08,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-16 08:33:08,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-16 08:33:09,010 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-03-16 08:33:09,210 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 [2022-03-16 08:33:09,210 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-16 08:33:09,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 08:33:09,210 INFO L85 PathProgramCache]: Analyzing trace with hash -2076162837, now seen corresponding path program 3 times [2022-03-16 08:33:09,211 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 08:33:09,211 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867193166] [2022-03-16 08:33:09,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 08:33:09,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 08:33:09,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 08:33:09,294 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 2 proven. 76 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2022-03-16 08:33:09,294 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 08:33:09,294 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867193166] [2022-03-16 08:33:09,294 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [867193166] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 08:33:09,294 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1099147079] [2022-03-16 08:33:09,294 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-16 08:33:09,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 08:33:09,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 08:33:09,296 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) [2022-03-16 08:33:09,297 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-03-16 08:33:09,447 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-03-16 08:33:09,447 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 08:33:09,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 7 conjunts are in the unsatisfiable core [2022-03-16 08:33:09,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 08:33:09,711 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 2 proven. 76 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2022-03-16 08:33:09,711 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 08:33:09,955 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 2 proven. 76 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2022-03-16 08:33:09,955 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1099147079] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 08:33:09,955 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 08:33:09,955 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 14 [2022-03-16 08:33:09,956 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040183550] [2022-03-16 08:33:09,956 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 08:33:09,956 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-03-16 08:33:09,956 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 08:33:09,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-03-16 08:33:09,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2022-03-16 08:33:09,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:33:09,957 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 08:33:09,957 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) [2022-03-16 08:33:09,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:33:09,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:33:09,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:33:09,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-03-16 08:33:09,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:33:09,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-16 08:33:09,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-03-16 08:33:09,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:33:10,068 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 553 transitions and produced 554 states. [2022-03-16 08:33:10,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:33:10,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:33:10,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:33:10,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-16 08:33:10,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:33:10,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-16 08:33:10,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-16 08:33:10,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-16 08:33:10,095 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-03-16 08:33:10,271 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 [2022-03-16 08:33:10,272 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-16 08:33:10,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 08:33:10,272 INFO L85 PathProgramCache]: Analyzing trace with hash -1546171679, now seen corresponding path program 4 times [2022-03-16 08:33:10,272 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 08:33:10,272 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338998443] [2022-03-16 08:33:10,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 08:33:10,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 08:33:10,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 08:33:10,370 INFO L134 CoverageAnalysis]: Checked inductivity of 692 backedges. 12 proven. 125 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2022-03-16 08:33:10,370 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 08:33:10,370 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338998443] [2022-03-16 08:33:10,370 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1338998443] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 08:33:10,371 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [584922582] [2022-03-16 08:33:10,371 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-16 08:33:10,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 08:33:10,371 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 08:33:10,372 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) [2022-03-16 08:33:10,395 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-03-16 08:33:10,504 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-16 08:33:10,504 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 08:33:10,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 550 conjuncts, 8 conjunts are in the unsatisfiable core [2022-03-16 08:33:10,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 08:33:10,801 INFO L134 CoverageAnalysis]: Checked inductivity of 692 backedges. 12 proven. 125 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2022-03-16 08:33:10,801 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 08:33:11,184 INFO L134 CoverageAnalysis]: Checked inductivity of 692 backedges. 12 proven. 125 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2022-03-16 08:33:11,184 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [584922582] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 08:33:11,185 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 08:33:11,185 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 17 [2022-03-16 08:33:11,185 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646874323] [2022-03-16 08:33:11,185 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 08:33:11,186 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-03-16 08:33:11,186 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 08:33:11,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-03-16 08:33:11,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2022-03-16 08:33:11,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:33:11,187 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 08:33:11,187 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) [2022-03-16 08:33:11,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:33:11,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:33:11,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:33:11,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-03-16 08:33:11,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:33:11,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-16 08:33:11,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-03-16 08:33:11,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-16 08:33:11,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:33:11,304 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 689 transitions and produced 690 states. [2022-03-16 08:33:11,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:33:11,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:33:11,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:33:11,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-16 08:33:11,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:33:11,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-16 08:33:11,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-16 08:33:11,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-16 08:33:11,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-16 08:33:11,329 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-03-16 08:33:11,519 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 [2022-03-16 08:33:11,520 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-16 08:33:11,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 08:33:11,520 INFO L85 PathProgramCache]: Analyzing trace with hash 1976598516, now seen corresponding path program 5 times [2022-03-16 08:33:11,520 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 08:33:11,520 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102313332] [2022-03-16 08:33:11,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 08:33:11,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 08:33:11,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-16 08:33:11,602 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-16 08:33:11,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-16 08:33:11,688 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-16 08:33:11,688 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-03-16 08:33:11,688 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 4 remaining) [2022-03-16 08:33:11,688 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 4 remaining) [2022-03-16 08:33:11,689 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 4 remaining) [2022-03-16 08:33:11,689 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2022-03-16 08:33:11,689 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-03-16 08:33:11,689 INFO L732 BasicCegarLoop]: Path program histogram: [5, 1, 1, 1, 1, 1] [2022-03-16 08:33:11,690 WARN L235 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2022-03-16 08:33:11,690 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2022-03-16 08:33:11,698 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,698 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,698 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,698 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,698 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,698 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,698 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,698 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,698 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,698 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,698 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,698 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,699 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,699 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,699 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,699 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,699 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,699 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,699 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,699 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,699 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,699 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,699 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,699 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,700 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,700 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,700 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,700 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,700 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,700 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,700 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,700 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,700 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,701 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,701 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,701 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,701 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,701 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,701 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,701 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,704 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,704 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,704 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,704 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,705 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,705 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,705 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,705 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,705 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,705 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,705 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,705 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,705 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,705 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,705 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,705 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,705 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,705 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,705 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,705 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,706 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,706 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,706 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,706 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,706 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,706 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,706 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,706 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,706 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,706 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,707 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,707 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,707 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,707 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,707 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,707 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,707 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,707 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,707 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,707 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,707 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,707 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,707 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,707 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,707 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,707 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,707 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,708 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,708 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,708 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,708 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,708 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,708 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,708 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,708 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,708 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,708 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,708 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,708 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,708 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,709 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,709 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,709 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,709 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,709 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,709 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,709 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,709 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,709 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,709 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,709 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,709 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,709 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,709 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,709 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,710 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,710 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,710 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,710 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,710 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,710 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,710 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,710 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,710 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,710 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,710 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,710 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,710 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,710 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,710 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,710 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,711 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,711 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,711 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,711 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,711 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,711 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,711 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,711 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,711 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,711 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,711 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,711 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,711 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,712 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,712 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,712 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,712 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,712 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,712 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,712 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,712 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,712 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,712 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,712 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,712 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,712 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,712 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,712 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,712 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,713 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,713 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,713 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,713 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,713 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,713 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,713 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,713 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,713 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,713 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,713 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,713 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,713 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,713 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,714 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,714 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,714 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,714 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,714 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,714 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,714 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,714 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,714 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,714 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,714 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,714 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,714 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,714 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,715 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,715 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,715 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,715 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,715 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,715 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,715 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,715 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,715 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,715 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,715 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,715 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,715 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,715 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,715 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,715 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,715 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,716 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,716 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,716 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,716 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,716 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,716 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,716 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,716 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,716 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,716 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,716 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,716 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,717 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,717 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,717 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,717 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,717 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,717 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,717 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,717 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,717 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,717 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,717 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,717 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,717 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,718 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,718 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,718 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,718 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,718 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,718 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,718 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,718 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,718 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,718 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,718 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,718 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,718 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:33:11,719 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-03-16 08:33:11,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-16 08:33:11,720 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 08:33:11,724 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) [2022-03-16 08:33:11,725 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 [2022-03-16 08:33:11,727 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-16 08:33:11,727 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=false, mMcrOverapproximateWrwc=true [2022-03-16 08:33:11,727 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-03-16 08:33:11,733 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 89 transitions and produced 90 states. [2022-03-16 08:33:11,733 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-03-16 08:33:11,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 08:33:11,733 INFO L85 PathProgramCache]: Analyzing trace with hash -1601928513, now seen corresponding path program 1 times [2022-03-16 08:33:11,734 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 08:33:11,734 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275846035] [2022-03-16 08:33:11,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 08:33:11,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 08:33:11,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 08:33:11,751 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-16 08:33:11,751 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 08:33:11,751 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275846035] [2022-03-16 08:33:11,751 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [275846035] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 08:33:11,751 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 08:33:11,751 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-16 08:33:11,751 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934090016] [2022-03-16 08:33:11,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 08:33:11,752 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-03-16 08:33:11,752 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 08:33:11,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-03-16 08:33:11,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-03-16 08:33:11,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:33:11,752 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 08:33:11,752 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) [2022-03-16 08:33:11,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:33:11,772 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 203 transitions and produced 204 states. [2022-03-16 08:33:11,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:33:11,773 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-03-16 08:33:11,773 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-03-16 08:33:11,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 08:33:11,773 INFO L85 PathProgramCache]: Analyzing trace with hash 1467357784, now seen corresponding path program 1 times [2022-03-16 08:33:11,773 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 08:33:11,774 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74219447] [2022-03-16 08:33:11,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 08:33:11,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 08:33:11,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 08:33:11,810 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-03-16 08:33:11,810 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 08:33:11,810 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74219447] [2022-03-16 08:33:11,810 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [74219447] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 08:33:11,810 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 08:33:11,810 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-16 08:33:11,811 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068481176] [2022-03-16 08:33:11,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 08:33:11,812 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-16 08:33:11,812 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 08:33:11,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-16 08:33:11,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-16 08:33:11,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:33:11,812 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 08:33:11,812 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) [2022-03-16 08:33:11,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:33:11,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:33:11,860 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 217 transitions and produced 218 states. [2022-03-16 08:33:11,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:33:11,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:33:11,861 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-03-16 08:33:11,861 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-03-16 08:33:11,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 08:33:11,861 INFO L85 PathProgramCache]: Analyzing trace with hash -448912950, now seen corresponding path program 1 times [2022-03-16 08:33:11,861 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 08:33:11,862 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576424707] [2022-03-16 08:33:11,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 08:33:11,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 08:33:11,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 08:33:11,898 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-03-16 08:33:11,898 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 08:33:11,898 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576424707] [2022-03-16 08:33:11,899 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576424707] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 08:33:11,899 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 08:33:11,899 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-16 08:33:11,899 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120517023] [2022-03-16 08:33:11,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 08:33:11,899 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-16 08:33:11,899 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 08:33:11,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-16 08:33:11,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-03-16 08:33:11,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:33:11,900 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 08:33:11,900 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) [2022-03-16 08:33:11,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:33:11,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:33:11,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:33:11,959 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 229 transitions and produced 230 states. [2022-03-16 08:33:11,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:33:11,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:33:11,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:33:11,960 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-03-16 08:33:11,960 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-03-16 08:33:11,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 08:33:11,960 INFO L85 PathProgramCache]: Analyzing trace with hash -367762239, now seen corresponding path program 1 times [2022-03-16 08:33:11,960 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 08:33:11,960 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030907214] [2022-03-16 08:33:11,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 08:33:11,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 08:33:11,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 08:33:11,997 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-03-16 08:33:11,997 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 08:33:11,997 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030907214] [2022-03-16 08:33:11,997 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2030907214] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 08:33:11,997 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 08:33:11,998 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-16 08:33:11,998 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554524582] [2022-03-16 08:33:11,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 08:33:11,999 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-16 08:33:11,999 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 08:33:11,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-16 08:33:11,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-16 08:33:11,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:33:11,999 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 08:33:12,000 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) [2022-03-16 08:33:12,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:33:12,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:33:12,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:33:12,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:33:12,031 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 163 transitions and produced 164 states. [2022-03-16 08:33:12,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:33:12,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:33:12,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:33:12,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:33:12,032 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-03-16 08:33:12,032 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-03-16 08:33:12,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 08:33:12,032 INFO L85 PathProgramCache]: Analyzing trace with hash -859552752, now seen corresponding path program 1 times [2022-03-16 08:33:12,032 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 08:33:12,032 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606393059] [2022-03-16 08:33:12,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 08:33:12,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 08:33:12,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 08:33:12,088 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-03-16 08:33:12,088 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 08:33:12,088 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606393059] [2022-03-16 08:33:12,088 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1606393059] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 08:33:12,089 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 08:33:12,089 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-16 08:33:12,089 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689700619] [2022-03-16 08:33:12,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 08:33:12,090 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-16 08:33:12,090 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 08:33:12,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-16 08:33:12,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-03-16 08:33:12,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:33:12,090 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 08:33:12,091 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) [2022-03-16 08:33:12,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:33:12,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:33:12,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:33:12,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:33:12,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:33:12,176 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 256 transitions and produced 257 states. [2022-03-16 08:33:12,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:33:12,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:33:12,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:33:12,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:33:12,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:33:12,177 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-03-16 08:33:12,177 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-03-16 08:33:12,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 08:33:12,178 INFO L85 PathProgramCache]: Analyzing trace with hash -1697622536, now seen corresponding path program 1 times [2022-03-16 08:33:12,178 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 08:33:12,178 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372091102] [2022-03-16 08:33:12,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 08:33:12,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 08:33:12,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 08:33:12,228 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-03-16 08:33:12,229 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 08:33:12,229 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372091102] [2022-03-16 08:33:12,229 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [372091102] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 08:33:12,229 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [538774913] [2022-03-16 08:33:12,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 08:33:12,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 08:33:12,229 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 08:33:12,231 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) [2022-03-16 08:33:12,261 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-03-16 08:33:12,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 08:33:12,347 INFO L263 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 3 conjunts are in the unsatisfiable core [2022-03-16 08:33:12,349 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 08:33:12,506 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-03-16 08:33:12,506 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-16 08:33:12,507 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [538774913] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 08:33:12,507 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-16 08:33:12,507 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2022-03-16 08:33:12,507 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388531194] [2022-03-16 08:33:12,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 08:33:12,507 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-16 08:33:12,507 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 08:33:12,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-16 08:33:12,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-03-16 08:33:12,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:33:12,508 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 08:33:12,508 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) [2022-03-16 08:33:12,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:33:12,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:33:12,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:33:12,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:33:12,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:33:12,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:33:12,554 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 109 transitions and produced 110 states. [2022-03-16 08:33:12,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:33:12,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:33:12,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:33:12,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:33:12,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:33:12,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:33:12,576 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-03-16 08:33:12,755 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 [2022-03-16 08:33:12,755 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-03-16 08:33:12,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 08:33:12,756 INFO L85 PathProgramCache]: Analyzing trace with hash -501870681, now seen corresponding path program 1 times [2022-03-16 08:33:12,756 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 08:33:12,756 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870406812] [2022-03-16 08:33:12,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 08:33:12,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 08:33:12,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 08:33:12,792 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-03-16 08:33:12,793 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 08:33:12,793 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870406812] [2022-03-16 08:33:12,793 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1870406812] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 08:33:12,793 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 08:33:12,793 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-16 08:33:12,793 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422323986] [2022-03-16 08:33:12,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 08:33:12,795 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-16 08:33:12,795 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 08:33:12,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-16 08:33:12,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-03-16 08:33:12,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:33:12,795 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 08:33:12,795 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) [2022-03-16 08:33:12,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:33:12,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:33:12,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:33:12,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:33:12,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:33:12,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:33:12,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:33:12,880 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 283 transitions and produced 284 states. [2022-03-16 08:33:12,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:33:12,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:33:12,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:33:12,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:33:12,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:33:12,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:33:12,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:33:12,881 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-03-16 08:33:12,881 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-03-16 08:33:12,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 08:33:12,882 INFO L85 PathProgramCache]: Analyzing trace with hash 1176816289, now seen corresponding path program 1 times [2022-03-16 08:33:12,882 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 08:33:12,882 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580273274] [2022-03-16 08:33:12,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 08:33:12,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 08:33:12,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 08:33:12,922 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-03-16 08:33:12,922 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 08:33:12,922 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580273274] [2022-03-16 08:33:12,922 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580273274] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 08:33:12,922 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1133624756] [2022-03-16 08:33:12,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 08:33:12,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 08:33:12,923 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 08:33:12,924 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) [2022-03-16 08:33:12,939 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-03-16 08:33:13,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 08:33:13,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 4 conjunts are in the unsatisfiable core [2022-03-16 08:33:13,061 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 08:33:13,223 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 23 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-03-16 08:33:13,224 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 08:33:13,413 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 23 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-03-16 08:33:13,413 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1133624756] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 08:33:13,413 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 08:33:13,413 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2022-03-16 08:33:13,413 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92361658] [2022-03-16 08:33:13,414 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 08:33:13,414 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-16 08:33:13,414 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 08:33:13,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-16 08:33:13,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-03-16 08:33:13,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:33:13,414 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 08:33:13,415 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) [2022-03-16 08:33:13,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:33:13,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:33:13,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:33:13,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:33:13,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:33:13,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:33:13,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:33:13,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:33:13,565 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 391 transitions and produced 392 states. [2022-03-16 08:33:13,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:33:13,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:33:13,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:33:13,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:33:13,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:33:13,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:33:13,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:33:13,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-16 08:33:13,603 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-03-16 08:33:13,779 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 [2022-03-16 08:33:13,779 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-03-16 08:33:13,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 08:33:13,779 INFO L85 PathProgramCache]: Analyzing trace with hash -1357223853, now seen corresponding path program 2 times [2022-03-16 08:33:13,779 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 08:33:13,779 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133584348] [2022-03-16 08:33:13,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 08:33:13,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 08:33:13,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 08:33:13,860 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 20 proven. 14 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-03-16 08:33:13,860 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 08:33:13,860 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133584348] [2022-03-16 08:33:13,860 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2133584348] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 08:33:13,860 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [153607374] [2022-03-16 08:33:13,860 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-16 08:33:13,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 08:33:13,861 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 08:33:13,872 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) [2022-03-16 08:33:13,873 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-03-16 08:33:14,030 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-16 08:33:14,030 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 08:33:14,032 INFO L263 TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 7 conjunts are in the unsatisfiable core [2022-03-16 08:33:14,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 08:33:14,285 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 23 proven. 76 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-03-16 08:33:14,285 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 08:33:14,577 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 23 proven. 76 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-03-16 08:33:14,577 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [153607374] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 08:33:14,577 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 08:33:14,577 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8, 8] total 18 [2022-03-16 08:33:14,577 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254711261] [2022-03-16 08:33:14,577 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 08:33:14,578 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-03-16 08:33:14,578 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 08:33:14,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-03-16 08:33:14,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2022-03-16 08:33:14,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:33:14,579 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 08:33:14,579 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) [2022-03-16 08:33:14,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:33:14,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:33:14,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:33:14,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:33:14,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:33:14,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:33:14,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:33:14,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-16 08:33:14,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:33:14,772 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 580 transitions and produced 581 states. [2022-03-16 08:33:14,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:33:14,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:33:14,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:33:14,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:33:14,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:33:14,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:33:14,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:33:14,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-16 08:33:14,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-16 08:33:14,791 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-03-16 08:33:14,991 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 [2022-03-16 08:33:14,992 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-03-16 08:33:14,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 08:33:14,992 INFO L85 PathProgramCache]: Analyzing trace with hash -696114688, now seen corresponding path program 3 times [2022-03-16 08:33:14,992 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 08:33:14,992 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987932479] [2022-03-16 08:33:14,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 08:33:14,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 08:33:15,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 08:33:15,084 INFO L134 CoverageAnalysis]: Checked inductivity of 626 backedges. 20 proven. 39 refuted. 0 times theorem prover too weak. 567 trivial. 0 not checked. [2022-03-16 08:33:15,084 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 08:33:15,084 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987932479] [2022-03-16 08:33:15,084 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1987932479] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 08:33:15,084 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1082985980] [2022-03-16 08:33:15,085 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-16 08:33:15,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 08:33:15,085 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 08:33:15,086 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) [2022-03-16 08:33:15,087 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-03-16 08:33:15,206 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-03-16 08:33:15,206 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 08:33:15,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 4 conjunts are in the unsatisfiable core [2022-03-16 08:33:15,212 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 08:33:15,526 INFO L134 CoverageAnalysis]: Checked inductivity of 626 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 622 trivial. 0 not checked. [2022-03-16 08:33:15,526 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 08:33:15,746 INFO L134 CoverageAnalysis]: Checked inductivity of 626 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 622 trivial. 0 not checked. [2022-03-16 08:33:15,746 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1082985980] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 08:33:15,746 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 08:33:15,746 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 13 [2022-03-16 08:33:15,746 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300135337] [2022-03-16 08:33:15,746 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 08:33:15,747 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-16 08:33:15,747 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 08:33:15,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-16 08:33:15,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-03-16 08:33:15,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:33:15,747 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 08:33:15,748 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) [2022-03-16 08:33:15,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:33:15,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:33:15,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:33:15,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:33:15,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:33:15,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:33:15,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:33:15,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-16 08:33:15,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-16 08:33:15,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:33:15,889 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 688 transitions and produced 689 states. [2022-03-16 08:33:15,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:33:15,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:33:15,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:33:15,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:33:15,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:33:15,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:33:15,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:33:15,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-16 08:33:15,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-16 08:33:15,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-16 08:33:15,909 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-03-16 08:33:16,103 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 [2022-03-16 08:33:16,103 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-03-16 08:33:16,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 08:33:16,104 INFO L85 PathProgramCache]: Analyzing trace with hash -2030385166, now seen corresponding path program 4 times [2022-03-16 08:33:16,104 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 08:33:16,104 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180586581] [2022-03-16 08:33:16,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 08:33:16,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 08:33:16,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 08:33:16,196 INFO L134 CoverageAnalysis]: Checked inductivity of 738 backedges. 3 proven. 76 refuted. 0 times theorem prover too weak. 659 trivial. 0 not checked. [2022-03-16 08:33:16,196 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 08:33:16,196 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180586581] [2022-03-16 08:33:16,196 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180586581] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 08:33:16,196 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1487078151] [2022-03-16 08:33:16,197 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-16 08:33:16,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 08:33:16,197 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 08:33:16,198 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) [2022-03-16 08:33:16,199 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-03-16 08:33:16,369 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-16 08:33:16,369 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 08:33:16,371 INFO L263 TraceCheckSpWp]: Trace formula consists of 676 conjuncts, 7 conjunts are in the unsatisfiable core [2022-03-16 08:33:16,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 08:33:16,790 INFO L134 CoverageAnalysis]: Checked inductivity of 738 backedges. 20 proven. 76 refuted. 0 times theorem prover too weak. 642 trivial. 0 not checked. [2022-03-16 08:33:16,791 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 08:33:17,208 INFO L134 CoverageAnalysis]: Checked inductivity of 738 backedges. 20 proven. 76 refuted. 0 times theorem prover too weak. 642 trivial. 0 not checked. [2022-03-16 08:33:17,208 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1487078151] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 08:33:17,208 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 08:33:17,208 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 20 [2022-03-16 08:33:17,208 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829052071] [2022-03-16 08:33:17,208 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 08:33:17,209 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-16 08:33:17,209 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 08:33:17,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-16 08:33:17,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=287, Unknown=0, NotChecked=0, Total=380 [2022-03-16 08:33:17,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:33:17,210 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 08:33:17,210 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) [2022-03-16 08:33:17,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:33:17,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:33:17,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:33:17,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:33:17,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:33:17,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:33:17,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:33:17,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-16 08:33:17,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-16 08:33:17,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-03-16 08:33:17,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:33:17,407 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 877 transitions and produced 878 states. [2022-03-16 08:33:17,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:33:17,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:33:17,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:33:17,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:33:17,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:33:17,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:33:17,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:33:17,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-16 08:33:17,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-16 08:33:17,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-16 08:33:17,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-03-16 08:33:17,428 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-03-16 08:33:17,626 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 [2022-03-16 08:33:17,626 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-03-16 08:33:17,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 08:33:17,627 INFO L85 PathProgramCache]: Analyzing trace with hash 2095977253, now seen corresponding path program 5 times [2022-03-16 08:33:17,627 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 08:33:17,627 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153161309] [2022-03-16 08:33:17,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 08:33:17,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 08:33:17,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 08:33:17,743 INFO L134 CoverageAnalysis]: Checked inductivity of 1261 backedges. 3 proven. 125 refuted. 0 times theorem prover too weak. 1133 trivial. 0 not checked. [2022-03-16 08:33:17,744 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 08:33:17,744 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153161309] [2022-03-16 08:33:17,744 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [153161309] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 08:33:17,744 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1560790473] [2022-03-16 08:33:17,744 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-16 08:33:17,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 08:33:17,744 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 08:33:17,745 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) [2022-03-16 08:33:17,767 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-03-16 08:35:08,821 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) [2022-03-16 08:35:08,821 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 08:35:08,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 834 conjuncts, 8 conjunts are in the unsatisfiable core [2022-03-16 08:35:08,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 08:35:09,473 INFO L134 CoverageAnalysis]: Checked inductivity of 1261 backedges. 3 proven. 125 refuted. 0 times theorem prover too weak. 1133 trivial. 0 not checked. [2022-03-16 08:35:09,473 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 08:35:09,936 INFO L134 CoverageAnalysis]: Checked inductivity of 1261 backedges. 3 proven. 125 refuted. 0 times theorem prover too weak. 1133 trivial. 0 not checked. [2022-03-16 08:35:09,936 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1560790473] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 08:35:09,936 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 08:35:09,936 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 14 [2022-03-16 08:35:09,936 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460270613] [2022-03-16 08:35:09,936 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 08:35:09,937 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-03-16 08:35:09,937 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 08:35:09,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-03-16 08:35:09,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2022-03-16 08:35:09,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:35:09,938 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 08:35:09,938 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) [2022-03-16 08:35:09,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:35:09,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:35:09,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:35:09,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:35:09,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:35:09,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:35:09,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:35:09,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-16 08:35:09,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-16 08:35:09,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-03-16 08:35:09,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-03-16 08:35:09,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:35:10,112 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1012 transitions and produced 1013 states. [2022-03-16 08:35:10,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:35:10,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:35:10,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:35:10,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:35:10,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:35:10,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:35:10,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:35:10,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-16 08:35:10,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-16 08:35:10,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-16 08:35:10,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-03-16 08:35:10,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-16 08:35:10,173 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-03-16 08:35:10,319 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 [2022-03-16 08:35:10,319 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-03-16 08:35:10,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 08:35:10,320 INFO L85 PathProgramCache]: Analyzing trace with hash -506448206, now seen corresponding path program 6 times [2022-03-16 08:35:10,320 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 08:35:10,320 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736800318] [2022-03-16 08:35:10,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 08:35:10,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 08:35:10,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-16 08:35:10,397 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-16 08:35:10,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-16 08:35:10,556 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-16 08:35:10,556 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-03-16 08:35:10,556 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 5 remaining) [2022-03-16 08:35:10,556 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 5 remaining) [2022-03-16 08:35:10,556 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 5 remaining) [2022-03-16 08:35:10,557 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 5 remaining) [2022-03-16 08:35:10,557 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 5 remaining) [2022-03-16 08:35:10,557 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-03-16 08:35:10,558 INFO L732 BasicCegarLoop]: Path program histogram: [6, 1, 1, 1, 1, 1, 1, 1] [2022-03-16 08:35:10,558 WARN L235 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2022-03-16 08:35:10,558 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2022-03-16 08:35:10,568 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,568 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,569 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,569 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,569 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,569 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,569 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,569 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,569 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,569 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,569 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,569 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,569 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,569 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,569 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,569 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,570 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,570 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,570 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,570 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,570 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,570 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,570 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,570 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,570 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,570 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,571 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,571 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,571 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,571 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,571 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,571 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,571 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,571 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,571 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,571 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,571 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,571 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,571 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,572 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,572 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,572 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,572 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,572 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,572 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,572 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,572 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,572 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,572 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,572 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,572 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,573 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,573 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,573 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,573 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,573 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,573 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,573 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,573 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,573 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,573 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,573 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,573 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,573 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,574 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,574 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,574 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,574 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,574 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,574 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,574 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,574 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,574 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,574 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,574 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,574 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,575 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,575 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,575 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,575 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,575 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,575 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,575 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,575 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,575 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,575 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,575 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,575 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,575 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,576 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,576 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,576 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,576 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,576 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,576 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,576 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,576 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,576 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,576 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,576 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,577 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,577 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,577 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,577 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,577 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,577 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,577 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,577 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,577 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,577 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,577 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,577 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,577 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,578 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,578 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,578 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,578 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,578 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,578 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,578 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,578 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,578 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,578 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,578 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,579 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,579 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,579 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,579 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,579 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,579 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,579 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,579 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,579 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,579 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,579 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,579 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,579 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,579 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,580 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,580 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,580 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,580 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,580 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,580 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,580 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,580 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,580 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,580 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,580 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,581 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,581 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,581 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,581 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,581 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,581 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,581 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,581 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,581 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,581 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,581 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,581 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,582 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,582 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,582 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,582 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,582 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,582 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,582 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,582 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,582 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,582 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,582 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,582 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,583 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,583 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,583 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,583 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,583 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,583 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,583 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,583 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,583 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,583 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,583 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,583 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,583 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,584 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,584 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,584 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,584 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,584 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,584 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,584 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,584 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,584 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,584 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,584 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,584 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,584 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,585 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,585 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,585 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,585 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,585 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,585 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,585 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,585 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,585 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,585 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,585 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,586 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,586 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,586 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,586 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,586 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,586 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,586 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,586 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,586 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,586 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,586 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,587 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,587 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,587 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,587 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,587 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,587 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,587 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,587 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,587 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,587 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,587 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,588 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,588 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,588 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,588 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,588 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,588 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,588 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,588 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,588 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,588 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,588 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,588 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,588 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,589 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,589 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,589 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,589 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,589 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,589 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,589 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,589 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,589 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,589 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,589 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,589 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,590 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,590 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,590 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,590 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,590 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,590 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,590 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,590 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,590 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,590 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,590 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,590 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,590 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,590 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,590 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,591 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,591 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,591 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,591 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,591 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,591 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,591 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,591 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,591 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,591 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,591 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,592 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,592 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,592 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,592 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,592 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,592 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,592 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,592 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,592 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,592 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,592 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,592 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,592 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,593 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,593 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,593 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,593 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,593 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,593 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,593 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,593 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,593 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,593 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,593 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,593 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,593 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,593 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,594 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,594 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,594 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,594 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,594 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,594 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,594 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,594 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,594 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,594 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,594 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,594 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,594 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,594 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-16 08:35:10,595 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-03-16 08:35:10,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-16 08:35:10,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 08:35:10,597 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) [2022-03-16 08:35:10,611 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-16 08:35:10,612 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=false, mMcrOverapproximateWrwc=true [2022-03-16 08:35:10,612 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-03-16 08:35:10,620 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 89 transitions and produced 90 states. [2022-03-16 08:35:10,620 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-03-16 08:35:10,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 08:35:10,620 INFO L85 PathProgramCache]: Analyzing trace with hash -1164156349, now seen corresponding path program 1 times [2022-03-16 08:35:10,621 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 08:35:10,621 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711982298] [2022-03-16 08:35:10,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 08:35:10,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 08:35:10,624 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 [2022-03-16 08:35:10,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 08:35:10,632 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-16 08:35:10,632 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 08:35:10,632 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711982298] [2022-03-16 08:35:10,633 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711982298] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 08:35:10,633 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 08:35:10,633 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-16 08:35:10,633 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356332708] [2022-03-16 08:35:10,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 08:35:10,633 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-03-16 08:35:10,633 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 08:35:10,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-03-16 08:35:10,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-03-16 08:35:10,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:35:10,634 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 08:35:10,634 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) [2022-03-16 08:35:10,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:35:10,652 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 257 transitions and produced 258 states. [2022-03-16 08:35:10,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:35:10,667 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-03-16 08:35:10,668 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-03-16 08:35:10,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 08:35:10,668 INFO L85 PathProgramCache]: Analyzing trace with hash 80772068, now seen corresponding path program 1 times [2022-03-16 08:35:10,668 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 08:35:10,668 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112362504] [2022-03-16 08:35:10,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 08:35:10,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 08:35:10,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 08:35:10,697 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2022-03-16 08:35:10,697 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 08:35:10,697 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112362504] [2022-03-16 08:35:10,697 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1112362504] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 08:35:10,697 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 08:35:10,697 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-16 08:35:10,697 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589351893] [2022-03-16 08:35:10,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 08:35:10,698 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-16 08:35:10,698 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 08:35:10,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-16 08:35:10,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-16 08:35:10,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:35:10,699 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 08:35:10,699 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) [2022-03-16 08:35:10,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:35:10,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:35:10,737 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 271 transitions and produced 272 states. [2022-03-16 08:35:10,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:35:10,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:35:10,738 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-03-16 08:35:10,738 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-03-16 08:35:10,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 08:35:10,738 INFO L85 PathProgramCache]: Analyzing trace with hash 531627290, now seen corresponding path program 1 times [2022-03-16 08:35:10,738 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 08:35:10,738 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672387428] [2022-03-16 08:35:10,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 08:35:10,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 08:35:10,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 08:35:10,777 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2022-03-16 08:35:10,777 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 08:35:10,777 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672387428] [2022-03-16 08:35:10,778 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672387428] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 08:35:10,778 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 08:35:10,778 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-16 08:35:10,778 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104725435] [2022-03-16 08:35:10,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 08:35:10,778 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-16 08:35:10,778 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 08:35:10,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-16 08:35:10,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-03-16 08:35:10,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:35:10,779 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 08:35:10,779 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) [2022-03-16 08:35:10,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:35:10,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:35:10,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:35:10,846 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 283 transitions and produced 284 states. [2022-03-16 08:35:10,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:35:10,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:35:10,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:35:10,847 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-03-16 08:35:10,847 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-03-16 08:35:10,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 08:35:10,847 INFO L85 PathProgramCache]: Analyzing trace with hash 641991053, now seen corresponding path program 1 times [2022-03-16 08:35:10,847 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 08:35:10,848 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080683698] [2022-03-16 08:35:10,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 08:35:10,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 08:35:10,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 08:35:10,877 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2022-03-16 08:35:10,877 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 08:35:10,877 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080683698] [2022-03-16 08:35:10,877 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080683698] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 08:35:10,877 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 08:35:10,878 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-16 08:35:10,878 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662906200] [2022-03-16 08:35:10,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 08:35:10,878 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-16 08:35:10,878 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 08:35:10,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-16 08:35:10,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-16 08:35:10,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:35:10,878 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 08:35:10,879 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) [2022-03-16 08:35:10,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:35:10,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:35:10,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:35:10,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:35:10,916 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 217 transitions and produced 218 states. [2022-03-16 08:35:10,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:35:10,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:35:10,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:35:10,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:35:10,916 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-03-16 08:35:10,916 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-03-16 08:35:10,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 08:35:10,917 INFO L85 PathProgramCache]: Analyzing trace with hash 1316230090, now seen corresponding path program 1 times [2022-03-16 08:35:10,917 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 08:35:10,917 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100581118] [2022-03-16 08:35:10,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 08:35:10,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 08:35:10,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 08:35:10,951 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-03-16 08:35:10,952 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 08:35:10,952 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100581118] [2022-03-16 08:35:10,952 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100581118] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 08:35:10,952 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 08:35:10,952 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-16 08:35:10,952 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838924075] [2022-03-16 08:35:10,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 08:35:10,952 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-16 08:35:10,952 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 08:35:10,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-16 08:35:10,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-03-16 08:35:10,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:35:10,953 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 08:35:10,953 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) [2022-03-16 08:35:10,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:35:10,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:35:10,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:35:10,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:35:10,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:35:11,034 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 310 transitions and produced 311 states. [2022-03-16 08:35:11,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:35:11,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:35:11,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:35:11,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:35:11,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:35:11,035 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-03-16 08:35:11,035 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-03-16 08:35:11,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 08:35:11,036 INFO L85 PathProgramCache]: Analyzing trace with hash 940254340, now seen corresponding path program 1 times [2022-03-16 08:35:11,036 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 08:35:11,036 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721054944] [2022-03-16 08:35:11,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 08:35:11,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 08:35:11,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 08:35:11,073 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 28 proven. 1 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2022-03-16 08:35:11,073 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 08:35:11,073 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721054944] [2022-03-16 08:35:11,073 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721054944] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 08:35:11,074 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1486058003] [2022-03-16 08:35:11,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 08:35:11,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 08:35:11,074 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 08:35:11,088 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) [2022-03-16 08:35:11,120 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-03-16 08:35:11,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 08:35:11,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 3 conjunts are in the unsatisfiable core [2022-03-16 08:35:11,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 08:35:11,428 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-03-16 08:35:11,429 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-16 08:35:11,429 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1486058003] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 08:35:11,429 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-16 08:35:11,429 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2022-03-16 08:35:11,430 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505652201] [2022-03-16 08:35:11,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 08:35:11,430 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-16 08:35:11,430 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 08:35:11,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-16 08:35:11,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-03-16 08:35:11,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:35:11,431 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 08:35:11,431 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) [2022-03-16 08:35:11,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:35:11,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:35:11,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:35:11,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:35:11,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:35:11,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:35:11,458 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 109 transitions and produced 110 states. [2022-03-16 08:35:11,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:35:11,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:35:11,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:35:11,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:35:11,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:35:11,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:35:11,482 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2022-03-16 08:35:11,671 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 [2022-03-16 08:35:11,671 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-03-16 08:35:11,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 08:35:11,671 INFO L85 PathProgramCache]: Analyzing trace with hash -2057385565, now seen corresponding path program 1 times [2022-03-16 08:35:11,671 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 08:35:11,671 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755078914] [2022-03-16 08:35:11,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 08:35:11,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 08:35:11,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 08:35:11,698 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-03-16 08:35:11,698 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 08:35:11,699 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755078914] [2022-03-16 08:35:11,699 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755078914] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 08:35:11,699 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 08:35:11,699 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-16 08:35:11,699 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290148469] [2022-03-16 08:35:11,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 08:35:11,699 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-16 08:35:11,699 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 08:35:11,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-16 08:35:11,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-03-16 08:35:11,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:35:11,700 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 08:35:11,700 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) [2022-03-16 08:35:11,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:35:11,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:35:11,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:35:11,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:35:11,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:35:11,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:35:11,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:35:11,808 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 337 transitions and produced 338 states. [2022-03-16 08:35:11,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:35:11,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:35:11,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:35:11,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:35:11,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:35:11,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:35:11,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:35:11,809 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-03-16 08:35:11,810 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-03-16 08:35:11,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 08:35:11,810 INFO L85 PathProgramCache]: Analyzing trace with hash -649976645, now seen corresponding path program 1 times [2022-03-16 08:35:11,810 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 08:35:11,810 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099112138] [2022-03-16 08:35:11,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 08:35:11,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 08:35:11,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 08:35:11,847 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 28 proven. 1 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-03-16 08:35:11,848 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 08:35:11,848 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099112138] [2022-03-16 08:35:11,848 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1099112138] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 08:35:11,848 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [248449502] [2022-03-16 08:35:11,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 08:35:11,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 08:35:11,848 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 08:35:11,849 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) [2022-03-16 08:35:11,850 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2022-03-16 08:35:12,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 08:35:12,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 4 conjunts are in the unsatisfiable core [2022-03-16 08:35:12,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 08:35:12,203 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 34 proven. 1 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-03-16 08:35:12,203 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 08:35:12,414 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 34 proven. 1 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-03-16 08:35:12,414 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [248449502] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 08:35:12,415 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 08:35:12,415 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2022-03-16 08:35:12,415 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299072144] [2022-03-16 08:35:12,415 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 08:35:12,416 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-16 08:35:12,416 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 08:35:12,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-16 08:35:12,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-03-16 08:35:12,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:35:12,417 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 08:35:12,417 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) [2022-03-16 08:35:12,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:35:12,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:35:12,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:35:12,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:35:12,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:35:12,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:35:12,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:35:12,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:35:12,568 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 445 transitions and produced 446 states. [2022-03-16 08:35:12,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:35:12,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:35:12,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:35:12,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:35:12,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:35:12,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:35:12,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:35:12,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-16 08:35:12,588 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2022-03-16 08:35:12,787 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 [2022-03-16 08:35:12,788 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-03-16 08:35:12,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 08:35:12,788 INFO L85 PathProgramCache]: Analyzing trace with hash 513541335, now seen corresponding path program 2 times [2022-03-16 08:35:12,788 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 08:35:12,788 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272352846] [2022-03-16 08:35:12,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 08:35:12,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 08:35:12,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 08:35:12,840 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 28 proven. 14 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2022-03-16 08:35:12,841 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 08:35:12,841 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272352846] [2022-03-16 08:35:12,841 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1272352846] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 08:35:12,841 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1289907114] [2022-03-16 08:35:12,841 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-16 08:35:12,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 08:35:12,841 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 08:35:12,843 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) [2022-03-16 08:35:12,845 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2022-03-16 08:35:13,034 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-16 08:35:13,034 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 08:35:13,038 INFO L263 TraceCheckSpWp]: Trace formula consists of 498 conjuncts, 7 conjunts are in the unsatisfiable core [2022-03-16 08:35:13,040 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 08:35:13,301 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 34 proven. 76 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-03-16 08:35:13,301 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 08:35:13,622 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 34 proven. 76 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-03-16 08:35:13,622 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1289907114] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 08:35:13,622 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 08:35:13,622 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8, 8] total 18 [2022-03-16 08:35:13,622 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12848613] [2022-03-16 08:35:13,622 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 08:35:13,623 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-03-16 08:35:13,623 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 08:35:13,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-03-16 08:35:13,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2022-03-16 08:35:13,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:35:13,623 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 08:35:13,624 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) [2022-03-16 08:35:13,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:35:13,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:35:13,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:35:13,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:35:13,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:35:13,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:35:13,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:35:13,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-16 08:35:13,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:35:13,857 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 634 transitions and produced 635 states. [2022-03-16 08:35:13,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:35:13,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:35:13,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:35:13,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:35:13,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:35:13,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:35:13,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:35:13,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-16 08:35:13,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-16 08:35:13,876 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2022-03-16 08:35:14,071 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 [2022-03-16 08:35:14,071 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-03-16 08:35:14,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 08:35:14,072 INFO L85 PathProgramCache]: Analyzing trace with hash 1010090648, now seen corresponding path program 3 times [2022-03-16 08:35:14,072 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 08:35:14,072 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276401780] [2022-03-16 08:35:14,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 08:35:14,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 08:35:14,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 08:35:14,125 INFO L134 CoverageAnalysis]: Checked inductivity of 652 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 614 trivial. 0 not checked. [2022-03-16 08:35:14,125 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 08:35:14,125 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276401780] [2022-03-16 08:35:14,126 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [276401780] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 08:35:14,126 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 08:35:14,126 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-16 08:35:14,126 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152559115] [2022-03-16 08:35:14,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 08:35:14,127 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-16 08:35:14,127 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 08:35:14,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-16 08:35:14,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-16 08:35:14,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:35:14,127 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 08:35:14,127 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) [2022-03-16 08:35:14,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:35:14,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:35:14,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:35:14,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:35:14,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:35:14,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:35:14,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:35:14,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-16 08:35:14,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-16 08:35:14,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:35:14,167 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 433 transitions and produced 434 states. [2022-03-16 08:35:14,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:35:14,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:35:14,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:35:14,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:35:14,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:35:14,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:35:14,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:35:14,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-16 08:35:14,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-16 08:35:14,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:35:14,168 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-03-16 08:35:14,168 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-03-16 08:35:14,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 08:35:14,169 INFO L85 PathProgramCache]: Analyzing trace with hash -544468551, now seen corresponding path program 1 times [2022-03-16 08:35:14,169 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 08:35:14,169 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999360714] [2022-03-16 08:35:14,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 08:35:14,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 08:35:14,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 08:35:14,218 INFO L134 CoverageAnalysis]: Checked inductivity of 565 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 565 trivial. 0 not checked. [2022-03-16 08:35:14,218 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 08:35:14,218 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999360714] [2022-03-16 08:35:14,219 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [999360714] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 08:35:14,219 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 08:35:14,219 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-16 08:35:14,219 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585243626] [2022-03-16 08:35:14,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 08:35:14,219 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-16 08:35:14,219 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 08:35:14,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-16 08:35:14,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-03-16 08:35:14,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:35:14,220 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 08:35:14,221 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) [2022-03-16 08:35:14,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:35:14,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:35:14,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:35:14,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:35:14,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:35:14,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:35:14,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:35:14,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-16 08:35:14,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-16 08:35:14,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:35:14,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:35:14,324 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 661 transitions and produced 662 states. [2022-03-16 08:35:14,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:35:14,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:35:14,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:35:14,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:35:14,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:35:14,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:35:14,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:35:14,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-16 08:35:14,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-16 08:35:14,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:35:14,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:35:14,325 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-03-16 08:35:14,325 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-03-16 08:35:14,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 08:35:14,326 INFO L85 PathProgramCache]: Analyzing trace with hash -1925043839, now seen corresponding path program 1 times [2022-03-16 08:35:14,326 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 08:35:14,326 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534004400] [2022-03-16 08:35:14,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 08:35:14,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 08:35:14,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 08:35:14,388 INFO L134 CoverageAnalysis]: Checked inductivity of 653 backedges. 38 proven. 1 refuted. 0 times theorem prover too weak. 614 trivial. 0 not checked. [2022-03-16 08:35:14,388 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 08:35:14,388 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534004400] [2022-03-16 08:35:14,388 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1534004400] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 08:35:14,388 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [97517788] [2022-03-16 08:35:14,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 08:35:14,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 08:35:14,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 08:35:14,390 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) [2022-03-16 08:35:14,392 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2022-03-16 08:35:14,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 08:35:14,601 INFO L263 TraceCheckSpWp]: Trace formula consists of 674 conjuncts, 4 conjunts are in the unsatisfiable core [2022-03-16 08:35:14,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 08:35:14,948 INFO L134 CoverageAnalysis]: Checked inductivity of 653 backedges. 38 proven. 1 refuted. 0 times theorem prover too weak. 614 trivial. 0 not checked. [2022-03-16 08:35:14,948 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 08:35:15,266 INFO L134 CoverageAnalysis]: Checked inductivity of 653 backedges. 38 proven. 1 refuted. 0 times theorem prover too weak. 614 trivial. 0 not checked. [2022-03-16 08:35:15,266 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [97517788] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 08:35:15,266 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 08:35:15,267 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2022-03-16 08:35:15,267 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567946515] [2022-03-16 08:35:15,267 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 08:35:15,267 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-16 08:35:15,267 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 08:35:15,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-16 08:35:15,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-03-16 08:35:15,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:35:15,268 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 08:35:15,268 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) [2022-03-16 08:35:15,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:35:15,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:35:15,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:35:15,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:35:15,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:35:15,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:35:15,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:35:15,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-16 08:35:15,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-16 08:35:15,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:35:15,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:35:15,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:35:15,375 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 742 transitions and produced 743 states. [2022-03-16 08:35:15,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:35:15,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:35:15,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:35:15,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:35:15,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:35:15,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:35:15,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:35:15,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-16 08:35:15,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-16 08:35:15,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:35:15,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:35:15,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-16 08:35:15,396 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2022-03-16 08:35:15,583 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 [2022-03-16 08:35:15,584 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-03-16 08:35:15,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 08:35:15,584 INFO L85 PathProgramCache]: Analyzing trace with hash 367713596, now seen corresponding path program 2 times [2022-03-16 08:35:15,584 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 08:35:15,584 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698382696] [2022-03-16 08:35:15,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 08:35:15,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 08:35:15,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 08:35:15,671 INFO L134 CoverageAnalysis]: Checked inductivity of 728 backedges. 38 proven. 76 refuted. 0 times theorem prover too weak. 614 trivial. 0 not checked. [2022-03-16 08:35:15,671 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 08:35:15,671 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698382696] [2022-03-16 08:35:15,671 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698382696] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 08:35:15,671 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [346923383] [2022-03-16 08:35:15,672 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-16 08:35:15,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 08:35:15,672 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 08:35:15,673 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) [2022-03-16 08:35:15,675 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2022-03-16 08:35:15,903 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-16 08:35:15,903 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 08:35:15,907 INFO L263 TraceCheckSpWp]: Trace formula consists of 740 conjuncts, 7 conjunts are in the unsatisfiable core [2022-03-16 08:35:15,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 08:35:16,273 INFO L134 CoverageAnalysis]: Checked inductivity of 728 backedges. 38 proven. 76 refuted. 0 times theorem prover too weak. 614 trivial. 0 not checked. [2022-03-16 08:35:16,273 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 08:35:16,661 INFO L134 CoverageAnalysis]: Checked inductivity of 728 backedges. 38 proven. 76 refuted. 0 times theorem prover too weak. 614 trivial. 0 not checked. [2022-03-16 08:35:16,661 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [346923383] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 08:35:16,661 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 08:35:16,661 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 14 [2022-03-16 08:35:16,661 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919386624] [2022-03-16 08:35:16,661 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 08:35:16,662 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-03-16 08:35:16,662 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 08:35:16,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-03-16 08:35:16,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2022-03-16 08:35:16,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:35:16,662 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 08:35:16,662 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) [2022-03-16 08:35:16,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:35:16,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:35:16,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:35:16,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:35:16,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:35:16,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:35:16,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:35:16,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-16 08:35:16,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-16 08:35:16,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:35:16,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:35:16,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-16 08:35:16,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:35:16,856 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 904 transitions and produced 905 states. [2022-03-16 08:35:16,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:35:16,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:35:16,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:35:16,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:35:16,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:35:16,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:35:16,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:35:16,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-16 08:35:16,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-16 08:35:16,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:35:16,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:35:16,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-16 08:35:16,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-16 08:35:16,876 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2022-03-16 08:35:17,067 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 [2022-03-16 08:35:17,068 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-03-16 08:35:17,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 08:35:17,068 INFO L85 PathProgramCache]: Analyzing trace with hash -135462862, now seen corresponding path program 3 times [2022-03-16 08:35:17,068 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 08:35:17,068 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702506584] [2022-03-16 08:35:17,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 08:35:17,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 08:35:17,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 08:35:17,166 INFO L134 CoverageAnalysis]: Checked inductivity of 1202 backedges. 28 proven. 39 refuted. 0 times theorem prover too weak. 1135 trivial. 0 not checked. [2022-03-16 08:35:17,166 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 08:35:17,166 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702506584] [2022-03-16 08:35:17,166 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [702506584] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 08:35:17,166 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2024163944] [2022-03-16 08:35:17,166 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-16 08:35:17,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 08:35:17,167 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 08:35:17,168 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) [2022-03-16 08:35:17,201 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2022-03-16 08:35:17,377 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-03-16 08:35:17,377 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 08:35:17,378 INFO L263 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 4 conjunts are in the unsatisfiable core [2022-03-16 08:35:17,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 08:35:17,864 INFO L134 CoverageAnalysis]: Checked inductivity of 1202 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1197 trivial. 0 not checked. [2022-03-16 08:35:17,864 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 08:35:18,223 INFO L134 CoverageAnalysis]: Checked inductivity of 1202 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1197 trivial. 0 not checked. [2022-03-16 08:35:18,223 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2024163944] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 08:35:18,223 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 08:35:18,223 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 13 [2022-03-16 08:35:18,224 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684439367] [2022-03-16 08:35:18,224 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 08:35:18,224 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-16 08:35:18,224 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 08:35:18,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-16 08:35:18,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-03-16 08:35:18,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:35:18,225 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 08:35:18,225 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) [2022-03-16 08:35:18,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:35:18,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:35:18,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:35:18,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:35:18,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:35:18,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:35:18,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:35:18,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-16 08:35:18,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-16 08:35:18,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:35:18,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:35:18,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-16 08:35:18,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-16 08:35:18,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:35:18,413 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1012 transitions and produced 1013 states. [2022-03-16 08:35:18,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:35:18,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:35:18,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:35:18,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:35:18,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:35:18,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:35:18,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:35:18,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-16 08:35:18,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-16 08:35:18,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:35:18,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:35:18,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-16 08:35:18,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-16 08:35:18,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-16 08:35:18,448 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2022-03-16 08:35:18,634 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 [2022-03-16 08:35:18,634 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-03-16 08:35:18,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 08:35:18,635 INFO L85 PathProgramCache]: Analyzing trace with hash 1954465188, now seen corresponding path program 4 times [2022-03-16 08:35:18,635 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 08:35:18,635 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24817313] [2022-03-16 08:35:18,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 08:35:18,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 08:35:18,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 08:35:18,761 INFO L134 CoverageAnalysis]: Checked inductivity of 1314 backedges. 4 proven. 76 refuted. 0 times theorem prover too weak. 1234 trivial. 0 not checked. [2022-03-16 08:35:18,762 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 08:35:18,762 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24817313] [2022-03-16 08:35:18,762 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [24817313] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 08:35:18,762 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [99028431] [2022-03-16 08:35:18,762 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-16 08:35:18,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 08:35:18,762 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 08:35:18,763 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) [2022-03-16 08:35:18,765 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2022-03-16 08:35:19,033 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-16 08:35:19,033 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 08:35:19,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 956 conjuncts, 7 conjunts are in the unsatisfiable core [2022-03-16 08:35:19,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 08:35:19,539 INFO L134 CoverageAnalysis]: Checked inductivity of 1314 backedges. 28 proven. 76 refuted. 0 times theorem prover too weak. 1210 trivial. 0 not checked. [2022-03-16 08:35:19,540 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 08:35:20,020 INFO L134 CoverageAnalysis]: Checked inductivity of 1314 backedges. 28 proven. 76 refuted. 0 times theorem prover too weak. 1210 trivial. 0 not checked. [2022-03-16 08:35:20,020 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [99028431] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 08:35:20,020 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 08:35:20,021 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 20 [2022-03-16 08:35:20,021 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042617915] [2022-03-16 08:35:20,021 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 08:35:20,021 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-16 08:35:20,021 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 08:35:20,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-16 08:35:20,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=287, Unknown=0, NotChecked=0, Total=380 [2022-03-16 08:35:20,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:35:20,022 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 08:35:20,022 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) [2022-03-16 08:35:20,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:35:20,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:35:20,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:35:20,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:35:20,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:35:20,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:35:20,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:35:20,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-16 08:35:20,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-16 08:35:20,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:35:20,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:35:20,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-16 08:35:20,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-16 08:35:20,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-03-16 08:35:20,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:35:20,270 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1201 transitions and produced 1202 states. [2022-03-16 08:35:20,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:35:20,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:35:20,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:35:20,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:35:20,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:35:20,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:35:20,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:35:20,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-16 08:35:20,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-16 08:35:20,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:35:20,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:35:20,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-16 08:35:20,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-16 08:35:20,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-16 08:35:20,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-03-16 08:35:20,294 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2022-03-16 08:35:20,494 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 [2022-03-16 08:35:20,495 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-03-16 08:35:20,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 08:35:20,495 INFO L85 PathProgramCache]: Analyzing trace with hash -1937418345, now seen corresponding path program 5 times [2022-03-16 08:35:20,495 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 08:35:20,495 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887439231] [2022-03-16 08:35:20,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 08:35:20,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 08:35:20,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 08:35:20,626 INFO L134 CoverageAnalysis]: Checked inductivity of 1837 backedges. 4 proven. 125 refuted. 0 times theorem prover too weak. 1708 trivial. 0 not checked. [2022-03-16 08:35:20,627 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 08:35:20,627 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887439231] [2022-03-16 08:35:20,627 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [887439231] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 08:35:20,627 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [175002700] [2022-03-16 08:35:20,627 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-16 08:35:20,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 08:35:20,627 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 08:35:20,656 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) [2022-03-16 08:35:20,657 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... [2022-03-16 08:47:40,109 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 [2022-03-16 08:47:40,109 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 [2022-03-16 08:47:40,109 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 [2022-03-16 08:47:40,109 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 [2022-03-16 08:47:40,109 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 [2022-03-16 08:47:40,109 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 [2022-03-16 08:47:41,155 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 [2022-03-16 08:47:41,155 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (17)] Forceful destruction successful, exit code 0 [2022-03-16 08:47:41,155 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 [2022-03-16 08:47:41,159 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Ended with exit code 0 [2022-03-16 08:47:41,159 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (10)] Forceful destruction successful, exit code 0 [2022-03-16 08:47:41,311 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forcibly destroying the process [2022-03-16 08:47:41,369 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 137 [2022-03-16 08:47:41,370 WARN L317 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-03-16 08:47:41,370 INFO L191 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-03-16 08:47:41,370 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2022-03-16 08:47:41,370 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562320389] [2022-03-16 08:47:41,370 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-03-16 08:47:41,370 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-16 08:47:41,370 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 08:47:41,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-16 08:47:41,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-03-16 08:47:41,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:47:41,371 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 08:47:41,371 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) [2022-03-16 08:47:41,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:47:41,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:47:41,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:47:41,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:47:41,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:47:41,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:47:41,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:47:41,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-16 08:47:41,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-16 08:47:41,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 08:47:41,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 08:47:41,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-16 08:47:41,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-16 08:47:41,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-03-16 08:47:41,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-03-16 08:47:41,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 08:47:41,372 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-03-16 08:47:41,372 WARN L594 AbstractCegarLoop]: Verification canceled: while executing DepthFirstTraversal. [2022-03-16 08:47:41,373 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (5 of 6 remaining) [2022-03-16 08:47:41,373 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 6 remaining) [2022-03-16 08:47:41,373 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 6 remaining) [2022-03-16 08:47:41,373 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 6 remaining) [2022-03-16 08:47:41,373 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 6 remaining) [2022-03-16 08:47:41,373 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2022-03-16 08:47:41,373 INFO L732 BasicCegarLoop]: Path program histogram: [5, 3, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-16 08:47:41,375 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 4 thread instances [2022-03-16 08:47:41,376 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-16 08:47:41,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.03 08:47:41 BasicIcfg [2022-03-16 08:47:41,378 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-16 08:47:41,378 INFO L158 Benchmark]: Toolchain (without parser) took 878294.61ms. Allocated memory was 201.3MB in the beginning and 367.0MB in the end (delta: 165.7MB). Free memory was 149.9MB in the beginning and 166.1MB in the end (delta: -16.3MB). Peak memory consumption was 149.4MB. Max. memory is 8.0GB. [2022-03-16 08:47:41,378 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 201.3MB. Free memory is still 167.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-16 08:47:41,379 INFO L158 Benchmark]: CACSL2BoogieTranslator took 431.52ms. Allocated memory is still 201.3MB. Free memory was 149.6MB in the beginning and 159.0MB in the end (delta: -9.5MB). Peak memory consumption was 9.7MB. Max. memory is 8.0GB. [2022-03-16 08:47:41,379 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.99ms. Allocated memory is still 201.3MB. Free memory was 159.0MB in the beginning and 156.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-16 08:47:41,379 INFO L158 Benchmark]: Boogie Preprocessor took 32.43ms. Allocated memory is still 201.3MB. Free memory was 156.9MB in the beginning and 155.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-16 08:47:41,379 INFO L158 Benchmark]: RCFGBuilder took 459.28ms. Allocated memory is still 201.3MB. Free memory was 155.4MB in the beginning and 141.2MB in the end (delta: 14.2MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-03-16 08:47:41,379 INFO L158 Benchmark]: TraceAbstraction took 877331.46ms. Allocated memory was 201.3MB in the beginning and 367.0MB in the end (delta: 165.7MB). Free memory was 140.7MB in the beginning and 166.1MB in the end (delta: -25.4MB). Peak memory consumption was 140.8MB. Max. memory is 8.0GB. [2022-03-16 08:47:41,380 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 201.3MB. Free memory is still 167.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 431.52ms. Allocated memory is still 201.3MB. Free memory was 149.6MB in the beginning and 159.0MB in the end (delta: -9.5MB). Peak memory consumption was 9.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 35.99ms. Allocated memory is still 201.3MB. Free memory was 159.0MB in the beginning and 156.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 32.43ms. Allocated memory is still 201.3MB. Free memory was 156.9MB in the beginning and 155.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 459.28ms. Allocated memory is still 201.3MB. Free memory was 155.4MB in the beginning and 141.2MB in the end (delta: 14.2MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 877331.46ms. Allocated memory was 201.3MB in the beginning and 367.0MB in the end (delta: 165.7MB). Free memory was 140.7MB in the beginning and 166.1MB in the end (delta: -25.4MB). Peak memory consumption was 140.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.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] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.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] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.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] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.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.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: 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] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - 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: 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] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.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] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.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] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.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.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: 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] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - 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: 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] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.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] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.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] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.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.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: 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] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - 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: 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] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.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] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.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] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.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.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: 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] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - 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: 2.9s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.5s, 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, 0.2s SatisfiabilityAnalysisTime, 1.3s 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: 4.6s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.7s, 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, 0.3s SatisfiabilityAnalysisTime, 2.2s 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: 118.8s, OverallIterations: 13, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 1.2s, 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, 111.3s SatisfiabilityAnalysisTime, 4.0s 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: 750.8s, 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, 0.5s SatisfiabilityAnalysisTime, 5.0s 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