/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/weaver/popl20-three-array-min.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-02 02:48:41,841 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-02 02:48:41,848 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-02 02:48:41,870 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-02 02:48:41,872 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-02 02:48:41,875 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-02 02:48:41,877 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-02 02:48:41,882 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-02 02:48:41,883 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-02 02:48:41,889 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-02 02:48:41,890 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-02 02:48:41,890 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-02 02:48:41,890 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-02 02:48:41,891 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-02 02:48:41,891 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-02 02:48:41,892 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-02 02:48:41,892 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-02 02:48:41,893 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-02 02:48:41,894 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-02 02:48:41,895 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-02 02:48:41,895 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-02 02:48:41,899 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-02 02:48:41,900 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-02 02:48:41,902 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-02 02:48:41,909 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-02 02:48:41,914 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-02 02:48:41,915 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-02 02:48:41,915 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-02 02:48:41,919 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 [2022-03-02 02:48:41,949 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-02 02:48:41,949 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-02 02:48:41,949 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-02 02:48:41,950 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-02 02:48:41,950 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-02 02:48:41,950 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-02 02:48:41,951 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-02 02:48:41,951 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-02 02:48:41,951 INFO L138 SettingsManager]: * Use SBE=true [2022-03-02 02:48:41,951 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-02 02:48:41,952 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-02 02:48:41,952 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-02 02:48:41,952 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-02 02:48:41,952 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-02 02:48:41,952 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-02 02:48:41,952 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-02 02:48:41,953 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-02 02:48:41,953 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-02 02:48:41,953 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-02 02:48:41,953 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-02 02:48:41,953 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-02 02:48:41,953 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-02 02:48:41,953 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-02 02:48:41,953 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-02 02:48:41,953 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-02 02:48:41,954 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-02 02:48:41,954 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-02 02:48:41,954 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-02 02:48:41,954 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-02 02:48:41,954 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-02 02:48:41,954 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-02 02:48:41,954 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-02 02:48:41,955 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-02 02:48:41,955 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-02 02:48:41,955 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-02 02:48:41,955 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-02 02:48:41,955 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-02 02:48:41,955 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-02 02:48:42,131 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-02 02:48:42,161 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-02 02:48:42,163 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-02 02:48:42,163 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-02 02:48:42,164 INFO L275 PluginConnector]: CDTParser initialized [2022-03-02 02:48:42,164 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-three-array-min.wvr.c [2022-03-02 02:48:42,236 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/682692a55/2a6bb54fec2a4678bfce7d9ff51c522c/FLAGeee900eb1 [2022-03-02 02:48:42,810 INFO L306 CDTParser]: Found 1 translation units. [2022-03-02 02:48:42,811 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-three-array-min.wvr.c [2022-03-02 02:48:42,822 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/682692a55/2a6bb54fec2a4678bfce7d9ff51c522c/FLAGeee900eb1 [2022-03-02 02:48:43,275 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/682692a55/2a6bb54fec2a4678bfce7d9ff51c522c [2022-03-02 02:48:43,278 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-02 02:48:43,279 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-02 02:48:43,296 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-02 02:48:43,297 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-02 02:48:43,316 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-02 02:48:43,316 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.03 02:48:43" (1/1) ... [2022-03-02 02:48:43,318 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ae534bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 02:48:43, skipping insertion in model container [2022-03-02 02:48:43,318 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.03 02:48:43" (1/1) ... [2022-03-02 02:48:43,324 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-02 02:48:43,363 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-02 02:48:43,702 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-three-array-min.wvr.c[2815,2828] [2022-03-02 02:48:43,717 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-02 02:48:43,728 INFO L203 MainTranslator]: Completed pre-run [2022-03-02 02:48:43,777 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-three-array-min.wvr.c[2815,2828] [2022-03-02 02:48:43,783 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-02 02:48:43,791 INFO L208 MainTranslator]: Completed translation [2022-03-02 02:48:43,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 02:48:43 WrapperNode [2022-03-02 02:48:43,792 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-02 02:48:43,792 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-02 02:48:43,792 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-02 02:48:43,793 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-02 02:48:43,801 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 02:48:43" (1/1) ... [2022-03-02 02:48:43,825 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 02:48:43" (1/1) ... [2022-03-02 02:48:43,872 INFO L137 Inliner]: procedures = 26, calls = 57, calls flagged for inlining = 14, calls inlined = 22, statements flattened = 232 [2022-03-02 02:48:43,873 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-02 02:48:43,874 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-02 02:48:43,874 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-02 02:48:43,874 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-02 02:48:43,879 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 02:48:43" (1/1) ... [2022-03-02 02:48:43,879 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 02:48:43" (1/1) ... [2022-03-02 02:48:43,894 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 02:48:43" (1/1) ... [2022-03-02 02:48:43,894 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 02:48:43" (1/1) ... [2022-03-02 02:48:43,900 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 02:48:43" (1/1) ... [2022-03-02 02:48:43,903 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 02:48:43" (1/1) ... [2022-03-02 02:48:43,904 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 02:48:43" (1/1) ... [2022-03-02 02:48:43,906 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-02 02:48:43,933 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-02 02:48:43,934 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-02 02:48:43,934 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-02 02:48:43,948 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 02:48:43" (1/1) ... [2022-03-02 02:48:43,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-02 02:48:43,980 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 02:48:43,995 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) [2022-03-02 02:48:44,045 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 [2022-03-02 02:48:44,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-02 02:48:44,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-02 02:48:44,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-02 02:48:44,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-02 02:48:44,069 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-02 02:48:44,069 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-02 02:48:44,069 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-02 02:48:44,069 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-02 02:48:44,069 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-02 02:48:44,069 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-02 02:48:44,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-02 02:48:44,069 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-03-02 02:48:44,069 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-03-02 02:48:44,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-03-02 02:48:44,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-02 02:48:44,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-02 02:48:44,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-02 02:48:44,071 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-02 02:48:44,242 INFO L234 CfgBuilder]: Building ICFG [2022-03-02 02:48:44,243 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-02 02:48:44,965 INFO L275 CfgBuilder]: Performing block encoding [2022-03-02 02:48:45,101 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-02 02:48:45,102 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2022-03-02 02:48:45,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.03 02:48:45 BoogieIcfgContainer [2022-03-02 02:48:45,105 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-02 02:48:45,106 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-02 02:48:45,106 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-02 02:48:45,126 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-02 02:48:45,126 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.03 02:48:43" (1/3) ... [2022-03-02 02:48:45,127 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60fa5964 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.03 02:48:45, skipping insertion in model container [2022-03-02 02:48:45,127 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.03 02:48:43" (2/3) ... [2022-03-02 02:48:45,127 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60fa5964 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.03 02:48:45, skipping insertion in model container [2022-03-02 02:48:45,128 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.03 02:48:45" (3/3) ... [2022-03-02 02:48:45,129 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-three-array-min.wvr.c [2022-03-02 02:48:45,135 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-02 02:48:45,135 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-02 02:48:45,135 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-02 02:48:45,135 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-02 02:48:45,191 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,192 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,192 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,193 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,206 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,207 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,207 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,207 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,207 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,207 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,207 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,207 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,207 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,207 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,208 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,208 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,208 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,208 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,208 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,208 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,208 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,208 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,209 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,209 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,209 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,209 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,209 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,209 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,209 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,209 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,209 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,210 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,210 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,210 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,210 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,210 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,210 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,210 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,210 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,210 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,211 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,211 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,211 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,211 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,211 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,211 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,211 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,211 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,211 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,211 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,212 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,212 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,212 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,212 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,212 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,212 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,212 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,212 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,212 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,212 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,213 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,213 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,213 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,213 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,213 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,213 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,213 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,213 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,214 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,214 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,214 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,214 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,214 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,214 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,214 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,214 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,214 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,214 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,214 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,214 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,215 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,215 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,215 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,215 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,215 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,216 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,216 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,216 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,216 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,216 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,216 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,216 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,217 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,217 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,217 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,217 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,217 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,217 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,217 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,217 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,217 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,218 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,218 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,218 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,218 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,218 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,218 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,218 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,218 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,219 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,219 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,219 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,236 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,236 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,238 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,239 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,243 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,243 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,244 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,244 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,244 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,244 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,244 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,244 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,245 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,245 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,245 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,245 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,245 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,245 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,251 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,251 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,251 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,251 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,251 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,252 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,252 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,252 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,256 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,256 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,256 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,256 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,256 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,256 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,256 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,257 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,257 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,257 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,258 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,258 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,258 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,258 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,272 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,272 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,272 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,272 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,273 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,273 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,273 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,273 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,273 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,273 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,273 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork2_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,273 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,273 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,274 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,274 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-02 02:48:45,278 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-03-02 02:48:45,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-02 02:48:45,328 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 02:48:45,330 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) [2022-03-02 02:48:45,331 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 [2022-03-02 02:48:45,350 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-02 02:48:45,373 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 [2022-03-02 02:48:45,373 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-03-02 02:48:45,514 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 300 transitions and produced 301 states. [2022-03-02 02:48:45,528 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 02:48:45,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 02:48:45,532 INFO L85 PathProgramCache]: Analyzing trace with hash -624872224, now seen corresponding path program 1 times [2022-03-02 02:48:45,546 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 02:48:45,547 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383222821] [2022-03-02 02:48:45,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 02:48:45,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 02:48:45,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 02:48:45,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 02:48:45,955 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 02:48:45,956 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383222821] [2022-03-02 02:48:45,956 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383222821] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-02 02:48:45,957 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-02 02:48:45,957 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-02 02:48:45,958 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371292658] [2022-03-02 02:48:45,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-02 02:48:45,965 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-03-02 02:48:45,966 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 02:48:45,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-03-02 02:48:45,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-03-02 02:48:45,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 02:48:45,987 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 02:48:45,990 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 114.5) internal successors, (229), 2 states have internal predecessors, (229), 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) [2022-03-02 02:48:45,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 02:48:46,098 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 300 transitions and produced 301 states. [2022-03-02 02:48:46,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 02:48:46,100 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-02 02:48:46,100 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 02:48:46,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 02:48:46,102 INFO L85 PathProgramCache]: Analyzing trace with hash 1719040673, now seen corresponding path program 1 times [2022-03-02 02:48:46,116 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 02:48:46,116 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604496921] [2022-03-02 02:48:46,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 02:48:46,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 02:48:46,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 02:48:46,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 02:48:46,516 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 02:48:46,517 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604496921] [2022-03-02 02:48:46,517 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [604496921] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-02 02:48:46,517 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-02 02:48:46,517 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-03-02 02:48:46,517 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295119236] [2022-03-02 02:48:46,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-02 02:48:46,520 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-02 02:48:46,520 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 02:48:46,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-02 02:48:46,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2022-03-02 02:48:46,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 02:48:46,521 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 02:48:46,521 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 27.125) internal successors, (217), 8 states have internal predecessors, (217), 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) [2022-03-02 02:48:46,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 02:48:46,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 02:48:46,723 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 327 transitions and produced 328 states. [2022-03-02 02:48:46,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 02:48:46,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-02 02:48:46,724 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-02 02:48:46,724 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 02:48:46,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 02:48:46,725 INFO L85 PathProgramCache]: Analyzing trace with hash -626253114, now seen corresponding path program 1 times [2022-03-02 02:48:46,725 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 02:48:46,725 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729380456] [2022-03-02 02:48:46,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 02:48:46,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 02:48:46,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 02:48:47,270 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-02 02:48:47,271 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 02:48:47,271 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729380456] [2022-03-02 02:48:47,271 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [729380456] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-02 02:48:47,271 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-02 02:48:47,271 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2022-03-02 02:48:47,271 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609384883] [2022-03-02 02:48:47,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-02 02:48:47,272 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-02 02:48:47,272 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 02:48:47,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-02 02:48:47,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=379, Unknown=0, NotChecked=0, Total=420 [2022-03-02 02:48:47,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 02:48:47,273 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 02:48:47,273 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 11.333333333333334) internal successors, (238), 21 states have internal predecessors, (238), 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) [2022-03-02 02:48:47,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 02:48:47,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-02 02:48:47,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 02:48:48,259 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 411 transitions and produced 400 states. [2022-03-02 02:48:48,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 02:48:48,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-02 02:48:48,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-03-02 02:48:48,260 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-02 02:48:48,260 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 02:48:48,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 02:48:48,261 INFO L85 PathProgramCache]: Analyzing trace with hash 957341605, now seen corresponding path program 1 times [2022-03-02 02:48:48,261 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 02:48:48,261 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814098658] [2022-03-02 02:48:48,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 02:48:48,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 02:48:48,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 02:48:48,495 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-02 02:48:48,495 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 02:48:48,496 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814098658] [2022-03-02 02:48:48,498 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1814098658] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 02:48:48,499 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1979164586] [2022-03-02 02:48:48,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 02:48:48,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 02:48:48,500 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 02:48:48,501 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) [2022-03-02 02:48:48,502 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-02 02:48:48,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 02:48:48,623 INFO L263 TraceCheckSpWp]: Trace formula consists of 515 conjuncts, 8 conjunts are in the unsatisfiable core [2022-03-02 02:48:48,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 02:48:49,093 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-02 02:48:49,093 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 02:48:49,611 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-02 02:48:49,612 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1979164586] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 02:48:49,612 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 02:48:49,612 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2022-03-02 02:48:49,613 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981882560] [2022-03-02 02:48:49,613 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 02:48:49,613 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-02 02:48:49,614 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 02:48:49,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-02 02:48:49,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=259, Unknown=0, NotChecked=0, Total=342 [2022-03-02 02:48:49,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 02:48:49,615 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 02:48:49,616 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 15.052631578947368) internal successors, (286), 19 states have internal predecessors, (286), 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) [2022-03-02 02:48:49,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 02:48:49,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-02 02:48:49,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-03-02 02:48:49,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 02:48:50,225 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 6271 transitions and produced 2959 states. [2022-03-02 02:48:50,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 02:48:50,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-02 02:48:50,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-03-02 02:48:50,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-03-02 02:48:50,253 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-03-02 02:48:50,442 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 [2022-03-02 02:48:50,442 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 02:48:50,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 02:48:50,443 INFO L85 PathProgramCache]: Analyzing trace with hash -1536127072, now seen corresponding path program 1 times [2022-03-02 02:48:50,443 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 02:48:50,443 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310768615] [2022-03-02 02:48:50,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 02:48:50,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 02:48:50,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 02:48:50,593 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-02 02:48:50,593 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 02:48:50,593 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310768615] [2022-03-02 02:48:50,594 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [310768615] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 02:48:50,594 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2114431374] [2022-03-02 02:48:50,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 02:48:50,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 02:48:50,594 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 02:48:50,601 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) [2022-03-02 02:48:50,621 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-02 02:48:50,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 02:48:50,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 529 conjuncts, 8 conjunts are in the unsatisfiable core [2022-03-02 02:48:50,748 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 02:48:51,240 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-02 02:48:51,240 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 02:48:51,764 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-02 02:48:51,765 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2114431374] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 02:48:51,765 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 02:48:51,765 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2022-03-02 02:48:51,765 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261611527] [2022-03-02 02:48:51,765 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 02:48:51,766 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-02 02:48:51,766 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 02:48:51,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-02 02:48:51,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=259, Unknown=0, NotChecked=0, Total=342 [2022-03-02 02:48:51,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 02:48:51,766 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 02:48:51,767 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 15.526315789473685) internal successors, (295), 19 states have internal predecessors, (295), 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) [2022-03-02 02:48:51,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 02:48:51,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-02 02:48:51,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-03-02 02:48:51,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-03-02 02:48:51,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 02:49:00,741 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 586919 transitions and produced 210871 states. [2022-03-02 02:49:00,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 02:49:00,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-02 02:49:00,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-03-02 02:49:00,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-03-02 02:49:00,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-03-02 02:49:00,772 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-02 02:49:00,951 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 [2022-03-02 02:49:00,951 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 02:49:00,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 02:49:00,952 INFO L85 PathProgramCache]: Analyzing trace with hash 1453606922, now seen corresponding path program 2 times [2022-03-02 02:49:00,952 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 02:49:00,952 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719469076] [2022-03-02 02:49:00,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 02:49:00,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 02:49:00,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 02:49:01,104 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-03-02 02:49:01,104 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 02:49:01,105 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719469076] [2022-03-02 02:49:01,105 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719469076] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 02:49:01,105 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1618556431] [2022-03-02 02:49:01,105 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-02 02:49:01,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 02:49:01,106 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 02:49:01,107 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 02:49:01,108 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-02 02:49:01,301 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-02 02:49:01,302 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 02:49:01,304 INFO L263 TraceCheckSpWp]: Trace formula consists of 554 conjuncts, 8 conjunts are in the unsatisfiable core [2022-03-02 02:49:01,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 02:49:01,833 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-03-02 02:49:01,833 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 02:49:02,419 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-03-02 02:49:02,419 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1618556431] provided 1 perfect and 1 imperfect interpolant sequences [2022-03-02 02:49:02,420 INFO L191 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-03-02 02:49:02,420 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [9, 9] total 19 [2022-03-02 02:49:02,420 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300155033] [2022-03-02 02:49:02,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-02 02:49:02,421 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-02 02:49:02,421 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 02:49:02,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-02 02:49:02,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=262, Unknown=0, NotChecked=0, Total=342 [2022-03-02 02:49:02,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 02:49:02,422 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 02:49:02,422 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 28.0) internal successors, (252), 9 states have internal predecessors, (252), 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) [2022-03-02 02:49:02,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 02:49:02,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-02 02:49:02,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-03-02 02:49:02,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-03-02 02:49:02,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-03-02 02:49:02,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 02:49:07,669 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 374288 transitions and produced 115454 states. [2022-03-02 02:49:07,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 02:49:07,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-02 02:49:07,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-03-02 02:49:07,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-03-02 02:49:07,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-03-02 02:49:07,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-02 02:49:07,689 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-03-02 02:49:07,883 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 02:49:07,883 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 02:49:07,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 02:49:07,884 INFO L85 PathProgramCache]: Analyzing trace with hash -1001731877, now seen corresponding path program 2 times [2022-03-02 02:49:07,884 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 02:49:07,884 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426626163] [2022-03-02 02:49:07,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 02:49:07,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 02:49:07,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 02:49:08,006 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-03-02 02:49:08,006 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 02:49:08,006 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426626163] [2022-03-02 02:49:08,006 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426626163] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 02:49:08,006 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1579711775] [2022-03-02 02:49:08,007 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-02 02:49:08,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 02:49:08,007 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 02:49:08,008 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) [2022-03-02 02:49:08,010 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-02 02:49:08,133 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-02 02:49:08,134 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 02:49:08,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 568 conjuncts, 8 conjunts are in the unsatisfiable core [2022-03-02 02:49:08,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 02:49:08,582 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-03-02 02:49:08,582 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 02:49:09,044 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-03-02 02:49:09,045 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1579711775] provided 1 perfect and 1 imperfect interpolant sequences [2022-03-02 02:49:09,045 INFO L191 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-03-02 02:49:09,045 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [9, 9] total 19 [2022-03-02 02:49:09,045 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606367294] [2022-03-02 02:49:09,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-02 02:49:09,046 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-02 02:49:09,046 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 02:49:09,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-02 02:49:09,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=262, Unknown=0, NotChecked=0, Total=342 [2022-03-02 02:49:09,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 02:49:09,048 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 02:49:09,048 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 29.0) internal successors, (261), 9 states have internal predecessors, (261), 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) [2022-03-02 02:49:09,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 02:49:09,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-02 02:49:09,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-03-02 02:49:09,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-03-02 02:49:09,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-03-02 02:49:09,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-02 02:49:09,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 02:49:14,241 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 371561 transitions and produced 114783 states. [2022-03-02 02:49:14,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 02:49:14,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-02 02:49:14,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-03-02 02:49:14,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-03-02 02:49:14,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-03-02 02:49:14,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-02 02:49:14,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-02 02:49:14,267 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-03-02 02:49:14,455 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 02:49:14,455 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 02:49:14,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 02:49:14,456 INFO L85 PathProgramCache]: Analyzing trace with hash -690082865, now seen corresponding path program 1 times [2022-03-02 02:49:14,456 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 02:49:14,456 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203929533] [2022-03-02 02:49:14,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 02:49:14,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 02:49:14,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 02:49:14,593 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-03-02 02:49:14,593 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 02:49:14,594 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203929533] [2022-03-02 02:49:14,594 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1203929533] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 02:49:14,595 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [727201330] [2022-03-02 02:49:14,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 02:49:14,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 02:49:14,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 02:49:14,612 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) [2022-03-02 02:49:14,635 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-03-02 02:49:14,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 02:49:14,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 598 conjuncts, 8 conjunts are in the unsatisfiable core [2022-03-02 02:49:14,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 02:49:15,189 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-03-02 02:49:15,190 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 02:49:15,984 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-03-02 02:49:15,984 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [727201330] provided 1 perfect and 1 imperfect interpolant sequences [2022-03-02 02:49:15,984 INFO L191 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-03-02 02:49:15,984 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [9, 9] total 19 [2022-03-02 02:49:15,984 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121605958] [2022-03-02 02:49:15,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-02 02:49:15,985 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-02 02:49:15,985 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 02:49:15,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-02 02:49:15,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=262, Unknown=0, NotChecked=0, Total=342 [2022-03-02 02:49:15,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 02:49:15,985 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 02:49:15,986 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 29.555555555555557) internal successors, (266), 9 states have internal predecessors, (266), 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) [2022-03-02 02:49:15,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 02:49:15,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-02 02:49:15,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-03-02 02:49:15,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-03-02 02:49:15,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-03-02 02:49:15,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-02 02:49:15,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-02 02:49:15,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 02:49:20,539 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 259290 transitions and produced 97360 states. [2022-03-02 02:49:20,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 02:49:20,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-02 02:49:20,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-03-02 02:49:20,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-03-02 02:49:20,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-03-02 02:49:20,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-02 02:49:20,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-02 02:49:20,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-02 02:49:20,558 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-03-02 02:49:20,758 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 02:49:20,759 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 02:49:20,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 02:49:20,759 INFO L85 PathProgramCache]: Analyzing trace with hash 303843964, now seen corresponding path program 1 times [2022-03-02 02:49:20,759 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 02:49:20,759 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161862062] [2022-03-02 02:49:20,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 02:49:20,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 02:49:20,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 02:49:22,382 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-03-02 02:49:22,382 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 02:49:22,382 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161862062] [2022-03-02 02:49:22,382 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [161862062] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 02:49:22,382 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1436171278] [2022-03-02 02:49:22,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 02:49:22,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 02:49:22,383 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 02:49:22,386 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) [2022-03-02 02:49:22,387 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-03-02 02:49:22,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 02:49:22,521 INFO L263 TraceCheckSpWp]: Trace formula consists of 608 conjuncts, 59 conjunts are in the unsatisfiable core [2022-03-02 02:49:22,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 02:49:22,952 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-02 02:49:22,953 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 25 [2022-03-02 02:49:25,490 INFO L353 Elim1Store]: treesize reduction 56, result has 45.6 percent of original size [2022-03-02 02:49:25,491 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 66 treesize of output 72 [2022-03-02 02:49:34,602 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-02 02:49:34,602 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 261 treesize of output 283 [2022-03-02 02:49:35,021 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-03-02 02:49:35,021 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 02:50:06,767 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-02 02:50:06,767 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 80 treesize of output 116 [2022-03-02 02:50:09,246 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-03-02 02:50:09,246 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1436171278] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 02:50:09,247 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 02:50:09,247 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [52, 36, 34] total 100 [2022-03-02 02:50:09,247 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000577353] [2022-03-02 02:50:09,247 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 02:50:09,249 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 100 states [2022-03-02 02:50:09,249 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 02:50:09,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 100 interpolants. [2022-03-02 02:50:09,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=468, Invalid=9396, Unknown=36, NotChecked=0, Total=9900 [2022-03-02 02:50:09,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 02:50:09,254 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 02:50:09,255 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 100 states, 100 states have (on average 5.31) internal successors, (531), 100 states have internal predecessors, (531), 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) [2022-03-02 02:50:09,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 02:50:09,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-02 02:50:09,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-03-02 02:50:09,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-03-02 02:50:09,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-03-02 02:50:09,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-02 02:50:09,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-02 02:50:09,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-02 02:50:09,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 02:50:29,410 WARN L228 SmtUtils]: Spent 5.23s on a formula simplification. DAG size of input: 95 DAG size of output: 87 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-03-02 02:50:34,749 WARN L228 SmtUtils]: Spent 5.26s on a formula simplification. DAG size of input: 65 DAG size of output: 61 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-03-02 02:50:43,733 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 259375 transitions and produced 97433 states. [2022-03-02 02:50:43,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 02:50:43,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-02 02:50:43,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-03-02 02:50:43,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-03-02 02:50:43,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-03-02 02:50:43,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-02 02:50:43,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-02 02:50:43,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-02 02:50:43,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2022-03-02 02:50:43,758 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-03-02 02:50:43,956 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 02:50:43,956 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 02:50:43,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 02:50:43,957 INFO L85 PathProgramCache]: Analyzing trace with hash -343163089, now seen corresponding path program 2 times [2022-03-02 02:50:43,957 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 02:50:43,957 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506465452] [2022-03-02 02:50:43,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 02:50:43,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 02:50:43,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 02:50:44,081 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-03-02 02:50:44,082 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 02:50:44,082 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506465452] [2022-03-02 02:50:44,082 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [506465452] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 02:50:44,082 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1885847320] [2022-03-02 02:50:44,082 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-02 02:50:44,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 02:50:44,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 02:50:44,083 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) [2022-03-02 02:50:44,084 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-03-02 02:50:44,227 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-02 02:50:44,228 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 02:50:44,230 INFO L263 TraceCheckSpWp]: Trace formula consists of 618 conjuncts, 12 conjunts are in the unsatisfiable core [2022-03-02 02:50:44,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 02:50:44,660 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 9 proven. 9 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-03-02 02:50:44,660 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 02:50:45,025 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 9 proven. 9 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-03-02 02:50:45,025 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1885847320] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 02:50:45,025 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 02:50:45,025 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 30 [2022-03-02 02:50:45,026 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14613177] [2022-03-02 02:50:45,026 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 02:50:45,026 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-03-02 02:50:45,026 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 02:50:45,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-03-02 02:50:45,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=172, Invalid=698, Unknown=0, NotChecked=0, Total=870 [2022-03-02 02:50:45,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 02:50:45,027 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 02:50:45,027 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 14.466666666666667) internal successors, (434), 30 states have internal predecessors, (434), 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) [2022-03-02 02:50:45,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 02:50:45,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-02 02:50:45,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-03-02 02:50:45,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-03-02 02:50:45,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-03-02 02:50:45,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-02 02:50:45,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-02 02:50:45,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-02 02:50:45,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2022-03-02 02:50:45,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 02:50:50,879 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 260882 transitions and produced 98063 states. [2022-03-02 02:50:50,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 02:50:50,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-02 02:50:50,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-03-02 02:50:50,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-03-02 02:50:50,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-03-02 02:50:50,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-02 02:50:50,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-02 02:50:50,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-02 02:50:50,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2022-03-02 02:50:50,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-03-02 02:50:50,898 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-03-02 02:50:51,098 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,SelfDestructingSolverStorable9 [2022-03-02 02:50:51,099 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 02:50:51,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 02:50:51,099 INFO L85 PathProgramCache]: Analyzing trace with hash 1569644400, now seen corresponding path program 3 times [2022-03-02 02:50:51,099 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 02:50:51,099 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134841271] [2022-03-02 02:50:51,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 02:50:51,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 02:50:51,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 02:50:51,231 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-03-02 02:50:51,231 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 02:50:51,231 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134841271] [2022-03-02 02:50:51,231 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1134841271] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 02:50:51,232 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [918511378] [2022-03-02 02:50:51,232 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-02 02:50:51,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 02:50:51,232 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 02:50:51,233 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 02:50:51,239 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-03-02 02:50:51,405 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-03-02 02:50:51,405 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 02:50:51,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 638 conjuncts, 12 conjunts are in the unsatisfiable core [2022-03-02 02:50:51,410 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 02:50:51,926 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-03-02 02:50:51,926 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 02:50:52,545 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-03-02 02:50:52,545 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [918511378] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 02:50:52,545 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 02:50:52,545 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 30 [2022-03-02 02:50:52,545 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414915069] [2022-03-02 02:50:52,545 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 02:50:52,546 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-03-02 02:50:52,546 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 02:50:52,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-03-02 02:50:52,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=172, Invalid=698, Unknown=0, NotChecked=0, Total=870 [2022-03-02 02:50:52,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 02:50:52,547 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 02:50:52,547 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 13.133333333333333) internal successors, (394), 30 states have internal predecessors, (394), 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) [2022-03-02 02:50:52,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 02:50:52,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-02 02:50:52,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-03-02 02:50:52,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-03-02 02:50:52,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-03-02 02:50:52,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-02 02:50:52,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-02 02:50:52,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-02 02:50:52,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2022-03-02 02:50:52,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2022-03-02 02:50:52,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 02:50:54,082 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 26446 transitions and produced 10443 states. [2022-03-02 02:50:54,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 02:50:54,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-02 02:50:54,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-03-02 02:50:54,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-03-02 02:50:54,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-03-02 02:50:54,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-02 02:50:54,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-02 02:50:54,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-02 02:50:54,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2022-03-02 02:50:54,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-03-02 02:50:54,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-03-02 02:50:54,107 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-03-02 02:50:54,289 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 02:50:54,290 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 02:50:54,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 02:50:54,299 INFO L85 PathProgramCache]: Analyzing trace with hash 883436742, now seen corresponding path program 4 times [2022-03-02 02:50:54,299 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 02:50:54,300 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234587575] [2022-03-02 02:50:54,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 02:50:54,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 02:50:54,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 02:50:54,604 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-03-02 02:50:54,605 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 02:50:54,605 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234587575] [2022-03-02 02:50:54,605 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1234587575] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 02:50:54,605 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [760416161] [2022-03-02 02:50:54,605 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-02 02:50:54,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 02:50:54,605 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 02:50:54,607 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) [2022-03-02 02:50:54,636 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-03-02 02:50:54,842 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-02 02:50:54,843 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 02:50:54,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 608 conjuncts, 124 conjunts are in the unsatisfiable core [2022-03-02 02:50:54,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 02:50:54,889 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-03-02 02:50:54,916 INFO L353 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-03-02 02:50:54,916 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2022-03-02 02:50:54,990 INFO L353 Elim1Store]: treesize reduction 36, result has 23.4 percent of original size [2022-03-02 02:50:54,990 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 17 treesize of output 22 [2022-03-02 02:50:55,407 INFO L353 Elim1Store]: treesize reduction 78, result has 26.4 percent of original size [2022-03-02 02:50:55,408 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 27 treesize of output 45 [2022-03-02 02:50:55,887 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-03-02 02:50:56,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 02:50:56,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 02:50:56,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 02:50:56,627 INFO L353 Elim1Store]: treesize reduction 42, result has 19.2 percent of original size [2022-03-02 02:50:56,627 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 32 treesize of output 45 [2022-03-02 02:50:56,916 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-03-02 02:50:57,294 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-03-02 02:50:58,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 02:50:58,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 02:50:58,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 02:50:58,658 INFO L353 Elim1Store]: treesize reduction 44, result has 32.3 percent of original size [2022-03-02 02:50:58,658 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 31 treesize of output 39 [2022-03-02 02:50:59,016 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-03-02 02:50:59,204 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-03-02 02:51:01,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 02:51:01,187 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 35 [2022-03-02 02:51:01,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 02:51:01,378 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 35 [2022-03-02 02:51:01,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 02:51:01,536 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 35 [2022-03-02 02:51:02,902 INFO L353 Elim1Store]: treesize reduction 108, result has 39.0 percent of original size [2022-03-02 02:51:02,902 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 88 treesize of output 100 [2022-03-02 02:51:50,963 INFO L353 Elim1Store]: treesize reduction 104, result has 73.7 percent of original size [2022-03-02 02:51:50,964 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 11 select indices, 11 select index equivalence classes, 1 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 34 case distinctions, treesize of input 340 treesize of output 420 [2022-03-02 02:57:26,515 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-02 02:57:26,515 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 02:57:32,038 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_619 Int)) (or (< v_ArrVal_619 (let ((.cse0 (* |c_thread2Thread1of1ForFork0_~i~1#1| 4))) (+ (select (select |c_#memory_int| c_~A~0.base) (+ c_~A~0.offset .cse0)) (select (select |c_#memory_int| c_~B~0.base) (+ .cse0 c_~B~0.offset))))) (and (forall ((~C~0.offset Int) (~C~0.base Int)) (<= (+ c_~mina~0 c_~minb~0) (select (store (select |c_#memory_int| ~C~0.base) (+ (* |c_thread2Thread1of1ForFork0_~i~1#1| 4) ~C~0.offset) v_ArrVal_619) (+ ~C~0.offset 4)))) (<= (+ c_~mina~0 c_~minb~0) c_~minc~0)))) is different from false [2022-03-02 02:57:38,586 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 27 trivial. 1 not checked. [2022-03-02 02:57:38,587 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [760416161] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 02:57:38,587 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 02:57:38,587 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 59, 37] total 89 [2022-03-02 02:57:38,587 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805383970] [2022-03-02 02:57:38,587 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 02:57:38,588 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 89 states [2022-03-02 02:57:38,588 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 02:57:38,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 89 interpolants. [2022-03-02 02:57:38,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=446, Invalid=7165, Unknown=49, NotChecked=172, Total=7832 [2022-03-02 02:57:38,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 02:57:38,590 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 02:57:38,591 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 89 states, 89 states have (on average 6.921348314606742) internal successors, (616), 89 states have internal predecessors, (616), 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) [2022-03-02 02:57:38,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 02:57:38,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-02 02:57:38,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-03-02 02:57:38,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-03-02 02:57:38,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-03-02 02:57:38,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-02 02:57:38,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-02 02:57:38,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-02 02:57:38,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2022-03-02 02:57:38,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2022-03-02 02:57:38,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2022-03-02 02:57:38,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 02:58:52,582 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 26456 transitions and produced 10453 states. [2022-03-02 02:58:52,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 02:58:52,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-02 02:58:52,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-03-02 02:58:52,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-03-02 02:58:52,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-03-02 02:58:52,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-02 02:58:52,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-02 02:58:52,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-02 02:58:52,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2022-03-02 02:58:52,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-03-02 02:58:52,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-03-02 02:58:52,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 144 states. [2022-03-02 02:58:52,603 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-03-02 02:58:52,800 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,SelfDestructingSolverStorable11 [2022-03-02 02:58:52,801 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 02:58:52,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 02:58:52,801 INFO L85 PathProgramCache]: Analyzing trace with hash -1541224988, now seen corresponding path program 1 times [2022-03-02 02:58:52,801 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 02:58:52,801 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734917964] [2022-03-02 02:58:52,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 02:58:52,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 02:58:52,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 02:58:54,683 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-03-02 02:58:54,683 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 02:58:54,683 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734917964] [2022-03-02 02:58:54,683 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [734917964] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 02:58:54,684 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2034524551] [2022-03-02 02:58:54,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 02:58:54,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 02:58:54,684 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 02:58:54,685 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) [2022-03-02 02:58:54,686 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-03-02 02:58:54,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 02:58:54,831 INFO L263 TraceCheckSpWp]: Trace formula consists of 613 conjuncts, 71 conjunts are in the unsatisfiable core [2022-03-02 02:58:54,836 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 02:58:55,297 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-02 02:58:55,297 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 25 [2022-03-02 02:58:58,146 INFO L353 Elim1Store]: treesize reduction 56, result has 45.6 percent of original size [2022-03-02 02:58:58,147 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 66 treesize of output 72 [2022-03-02 02:59:07,310 WARN L228 SmtUtils]: Spent 7.52s on a formula simplification that was a NOOP. DAG size: 62 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-03-02 02:59:10,304 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-02 02:59:10,304 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 246 treesize of output 210 [2022-03-02 02:59:10,764 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-03-02 02:59:10,764 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 02:59:45,316 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_684 Int)) (or (< v_ArrVal_684 (let ((.cse0 (* |c_thread2Thread1of1ForFork0_~i~1#1| 4))) (+ (select (select |c_#memory_int| c_~A~0.base) (+ c_~A~0.offset .cse0)) (select (select |c_#memory_int| c_~B~0.base) (+ .cse0 c_~B~0.offset))))) (and (forall ((~C~0.offset Int) (~C~0.base Int)) (<= (+ c_~mina~0 c_~minb~0) (select (store (select |c_#memory_int| ~C~0.base) (+ (* |c_thread2Thread1of1ForFork0_~i~1#1| 4) ~C~0.offset) v_ArrVal_684) (+ ~C~0.offset 4)))) (<= (+ c_~mina~0 c_~minb~0) c_~minc~0)))) is different from false [2022-03-02 02:59:48,322 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-02 02:59:48,322 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 80 treesize of output 116 [2022-03-02 02:59:51,987 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 28 trivial. 1 not checked. [2022-03-02 02:59:51,987 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2034524551] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 02:59:51,988 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 02:59:51,988 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [52, 36, 34] total 100 [2022-03-02 02:59:51,988 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790727268] [2022-03-02 02:59:51,988 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 02:59:51,989 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 100 states [2022-03-02 02:59:51,989 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 02:59:51,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 100 interpolants. [2022-03-02 02:59:51,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=492, Invalid=9197, Unknown=17, NotChecked=194, Total=9900 [2022-03-02 02:59:51,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 02:59:51,991 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 02:59:51,991 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 100 states, 100 states have (on average 5.47) internal successors, (547), 100 states have internal predecessors, (547), 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) [2022-03-02 02:59:51,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 02:59:51,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-02 02:59:51,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-03-02 02:59:51,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-03-02 02:59:51,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-03-02 02:59:51,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-02 02:59:51,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-02 02:59:51,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-02 02:59:51,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2022-03-02 02:59:51,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2022-03-02 02:59:51,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2022-03-02 02:59:51,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 144 states. [2022-03-02 02:59:51,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 03:00:32,242 WARN L228 SmtUtils]: Spent 17.78s on a formula simplification. DAG size of input: 105 DAG size of output: 93 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-03-02 03:00:51,776 WARN L228 SmtUtils]: Spent 19.29s on a formula simplification. DAG size of input: 102 DAG size of output: 90 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) Received shutdown request... [2022-03-02 03:01:39,221 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-02 03:01:39,223 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 [2022-03-02 03:01:39,224 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 [2022-03-02 03:01:39,351 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2022-03-02 03:01:39,523 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,SelfDestructingSolverStorable12 [2022-03-02 03:01:39,523 WARN L594 AbstractCegarLoop]: Verification canceled: while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 246 known predicates. [2022-03-02 03:01:39,525 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2022-03-02 03:01:39,525 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-03-02 03:01:39,525 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-03-02 03:01:39,525 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-03-02 03:01:39,534 INFO L732 BasicCegarLoop]: Path program histogram: [4, 2, 2, 1, 1, 1, 1, 1] [2022-03-02 03:01:39,535 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-02 03:01:39,535 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-02 03:01:39,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.03 03:01:39 BasicIcfg [2022-03-02 03:01:39,539 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-02 03:01:39,539 INFO L158 Benchmark]: Toolchain (without parser) took 776260.79ms. Allocated memory was 195.0MB in the beginning and 6.9GB in the end (delta: 6.7GB). Free memory was 138.0MB in the beginning and 3.6GB in the end (delta: -3.5GB). Peak memory consumption was 4.8GB. Max. memory is 8.0GB. [2022-03-02 03:01:39,539 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 195.0MB. Free memory is still 155.0MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-02 03:01:39,541 INFO L158 Benchmark]: CACSL2BoogieTranslator took 495.33ms. Allocated memory was 195.0MB in the beginning and 234.9MB in the end (delta: 39.8MB). Free memory was 169.5MB in the beginning and 205.5MB in the end (delta: -36.0MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2022-03-02 03:01:39,542 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.62ms. Allocated memory is still 234.9MB. Free memory was 205.5MB in the beginning and 202.9MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-03-02 03:01:39,542 INFO L158 Benchmark]: Boogie Preprocessor took 33.06ms. Allocated memory is still 234.9MB. Free memory was 202.9MB in the beginning and 200.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-02 03:01:39,543 INFO L158 Benchmark]: RCFGBuilder took 1171.35ms. Allocated memory is still 234.9MB. Free memory was 200.8MB in the beginning and 173.0MB in the end (delta: 27.8MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. [2022-03-02 03:01:39,543 INFO L158 Benchmark]: TraceAbstraction took 774433.15ms. Allocated memory was 234.9MB in the beginning and 6.9GB in the end (delta: 6.7GB). Free memory was 172.5MB in the beginning and 3.6GB in the end (delta: -3.4GB). Peak memory consumption was 4.8GB. Max. memory is 8.0GB. [2022-03-02 03:01:39,548 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 195.0MB. Free memory is still 155.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 495.33ms. Allocated memory was 195.0MB in the beginning and 234.9MB in the end (delta: 39.8MB). Free memory was 169.5MB in the beginning and 205.5MB in the end (delta: -36.0MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 80.62ms. Allocated memory is still 234.9MB. Free memory was 205.5MB in the beginning and 202.9MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 33.06ms. Allocated memory is still 234.9MB. Free memory was 202.9MB in the beginning and 200.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 1171.35ms. Allocated memory is still 234.9MB. Free memory was 200.8MB in the beginning and 173.0MB in the end (delta: 27.8MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. * TraceAbstraction took 774433.15ms. Allocated memory was 234.9MB in the beginning and 6.9GB in the end (delta: 6.7GB). Free memory was 172.5MB in the beginning and 3.6GB in the end (delta: -3.4GB). Peak memory consumption was 4.8GB. 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 - TimeoutResultAtElement [Line: 114]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 246 known predicates. - TimeoutResultAtElement [Line: 107]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 246 known predicates. - TimeoutResultAtElement [Line: 108]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 246 known predicates. - TimeoutResultAtElement [Line: 106]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 246 known predicates. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 334 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 774.2s, OverallIterations: 13, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 249.2s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 595, 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: 0.3s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 519.9s InterpolantComputationTime, 6224 NumberOfCodeBlocks, 6224 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 8961 ConstructedInterpolants, 90 QuantifiedInterpolants, 58804 SizeOfPredicates, 246 NumberOfNonLiveVariables, 5849 ConjunctsInSsa, 318 ConjunctsInUnsatCore, 33 InterpolantComputations, 6 PerfectInterpolantSequences, 595/786 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 [2022-03-02 03:01:39,591 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 [2022-03-02 03:01:39,971 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2022-03-02 03:01:40,057 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 137 !ENTRY org.eclipse.osgi 4 0 2022-03-02 03:01:40.074 !MESSAGE Application error !STACK 1 org.eclipse.core.internal.resources.ResourceException(/)[568]: java.io.FileNotFoundException: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/682692a55/.metadata/.plugins/org.eclipse.core.resources/.root/1.tree (No such file or directory) at java.base/java.io.FileOutputStream.open0(Native Method) at java.base/java.io.FileOutputStream.open(FileOutputStream.java:298) at java.base/java.io.FileOutputStream.(FileOutputStream.java:237) at java.base/java.io.FileOutputStream.(FileOutputStream.java:187) at org.eclipse.core.internal.localstore.SafeFileOutputStream.(SafeFileOutputStream.java:55) at org.eclipse.core.internal.resources.SaveManager.saveTree(SaveManager.java:1381) at org.eclipse.core.internal.resources.SaveManager.save(SaveManager.java:1168) at org.eclipse.core.internal.resources.Workspace.save(Workspace.java:2333) at org.eclipse.core.internal.resources.Workspace.save(Workspace.java:2322) at de.uni_freiburg.informatik.ultimate.core.coreplugin.UltimateCore.start(UltimateCore.java:191) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) An error has occurred. See the log file /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/682692a55/.metadata/.log.