/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf -i ../sv-benchmarks/c/weaver/chl-name-comparator-symm.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-8c2bbc9 [2021-10-08 18:46:18,786 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-08 18:46:18,790 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-08 18:46:18,855 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-08 18:46:18,855 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-08 18:46:18,862 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-08 18:46:18,865 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-08 18:46:18,869 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-08 18:46:18,872 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-08 18:46:18,878 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-08 18:46:18,879 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-08 18:46:18,880 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-08 18:46:18,881 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-08 18:46:18,883 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-08 18:46:18,885 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-08 18:46:18,888 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-08 18:46:18,890 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-08 18:46:18,891 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-08 18:46:18,898 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-08 18:46:18,905 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-08 18:46:18,909 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-08 18:46:18,910 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-08 18:46:18,912 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-08 18:46:18,914 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-08 18:46:18,920 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-08 18:46:18,920 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-08 18:46:18,920 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-08 18:46:18,924 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-08 18:46:18,924 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-08 18:46:18,925 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-08 18:46:18,926 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-08 18:46:18,927 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-08 18:46:18,929 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-08 18:46:18,930 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-08 18:46:18,931 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-08 18:46:18,932 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-08 18:46:18,932 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-08 18:46:18,933 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-08 18:46:18,933 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-08 18:46:18,934 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-08 18:46:18,934 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-08 18:46:18,942 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf [2021-10-08 18:46:18,986 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-08 18:46:18,986 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-08 18:46:18,987 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-08 18:46:18,987 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-08 18:46:18,991 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-08 18:46:18,991 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-08 18:46:18,991 INFO L138 SettingsManager]: * Use SBE=true [2021-10-08 18:46:18,991 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-08 18:46:18,991 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-08 18:46:18,992 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-08 18:46:18,993 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-08 18:46:18,993 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-08 18:46:18,993 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-08 18:46:18,993 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-08 18:46:18,993 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-08 18:46:18,994 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-08 18:46:18,994 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-08 18:46:18,994 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-08 18:46:18,994 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-08 18:46:18,995 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-08 18:46:18,995 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-08 18:46:18,995 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-08 18:46:18,995 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-08 18:46:18,995 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-08 18:46:18,996 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-08 18:46:18,996 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-08 18:46:18,996 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-08 18:46:18,996 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-08 18:46:18,996 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-10-08 18:46:18,996 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-08 18:46:18,997 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-08 18:46:18,997 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-08 18:46:18,997 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-08 18:46:18,997 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-08 18:46:18,997 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-08 18:46:18,998 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-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-10-08 18:46:19,369 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-08 18:46:19,397 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-08 18:46:19,400 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-08 18:46:19,402 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-08 18:46:19,402 INFO L275 PluginConnector]: CDTParser initialized [2021-10-08 18:46:19,403 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/chl-name-comparator-symm.wvr.c [2021-10-08 18:46:19,468 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/48e2355ab/9df1c7e6c0844cffb84bd64b18bbee9c/FLAG33f03b801 [2021-10-08 18:46:20,160 INFO L306 CDTParser]: Found 1 translation units. [2021-10-08 18:46:20,161 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/chl-name-comparator-symm.wvr.c [2021-10-08 18:46:20,172 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/48e2355ab/9df1c7e6c0844cffb84bd64b18bbee9c/FLAG33f03b801 [2021-10-08 18:46:20,464 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/48e2355ab/9df1c7e6c0844cffb84bd64b18bbee9c [2021-10-08 18:46:20,468 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-08 18:46:20,480 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-08 18:46:20,484 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-08 18:46:20,485 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-08 18:46:20,489 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-08 18:46:20,489 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.10 06:46:20" (1/1) ... [2021-10-08 18:46:20,491 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7788c2ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 06:46:20, skipping insertion in model container [2021-10-08 18:46:20,491 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.10 06:46:20" (1/1) ... [2021-10-08 18:46:20,501 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-08 18:46:20,548 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-08 18:46:20,747 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/chl-name-comparator-symm.wvr.c[4196,4209] [2021-10-08 18:46:20,757 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-08 18:46:20,766 INFO L203 MainTranslator]: Completed pre-run [2021-10-08 18:46:20,807 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/chl-name-comparator-symm.wvr.c[4196,4209] [2021-10-08 18:46:20,813 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-08 18:46:20,829 INFO L208 MainTranslator]: Completed translation [2021-10-08 18:46:20,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 06:46:20 WrapperNode [2021-10-08 18:46:20,830 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-08 18:46:20,831 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-08 18:46:20,831 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-08 18:46:20,831 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-08 18:46:20,838 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 06:46:20" (1/1) ... [2021-10-08 18:46:20,847 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 06:46:20" (1/1) ... [2021-10-08 18:46:20,888 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-08 18:46:20,889 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-08 18:46:20,889 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-08 18:46:20,889 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-08 18:46:20,899 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 06:46:20" (1/1) ... [2021-10-08 18:46:20,899 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 06:46:20" (1/1) ... [2021-10-08 18:46:20,904 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 06:46:20" (1/1) ... [2021-10-08 18:46:20,904 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 06:46:20" (1/1) ... [2021-10-08 18:46:20,916 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 06:46:20" (1/1) ... [2021-10-08 18:46:20,928 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 06:46:20" (1/1) ... [2021-10-08 18:46:20,936 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 06:46:20" (1/1) ... [2021-10-08 18:46:20,943 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-08 18:46:20,947 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-08 18:46:20,948 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-08 18:46:20,948 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-08 18:46:20,949 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 06:46:20" (1/1) ... [2021-10-08 18:46:20,965 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-08 18:46:20,979 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 18:46:21,000 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-08 18:46:21,008 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-08 18:46:21,062 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-08 18:46:21,062 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-08 18:46:21,062 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-08 18:46:21,062 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-08 18:46:21,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-08 18:46:21,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-08 18:46:21,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-08 18:46:21,063 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-08 18:46:21,063 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-08 18:46:21,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-08 18:46:21,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-08 18:46:21,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-08 18:46:21,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-08 18:46:21,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-08 18:46:21,066 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-08 18:46:22,269 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-08 18:46:22,269 INFO L299 CfgBuilder]: Removed 35 assume(true) statements. [2021-10-08 18:46:22,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 06:46:22 BoogieIcfgContainer [2021-10-08 18:46:22,273 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-08 18:46:22,275 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-08 18:46:22,275 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-08 18:46:22,278 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-08 18:46:22,278 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.10 06:46:20" (1/3) ... [2021-10-08 18:46:22,279 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20c89542 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.10 06:46:22, skipping insertion in model container [2021-10-08 18:46:22,280 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 06:46:20" (2/3) ... [2021-10-08 18:46:22,280 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20c89542 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.10 06:46:22, skipping insertion in model container [2021-10-08 18:46:22,280 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 06:46:22" (3/3) ... [2021-10-08 18:46:22,282 INFO L111 eAbstractionObserver]: Analyzing ICFG chl-name-comparator-symm.wvr.c [2021-10-08 18:46:22,288 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-08 18:46:22,288 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-08 18:46:22,288 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-08 18:46:22,288 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-08 18:46:22,327 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,328 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,328 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,328 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,328 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,329 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,329 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,329 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,329 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,330 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,330 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,330 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,330 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,330 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,330 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,331 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,331 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,331 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,331 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,331 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,332 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,332 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,332 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,333 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,333 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,333 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,333 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,334 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,334 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,334 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,334 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,334 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,334 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,335 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,335 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,335 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,335 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,335 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,336 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,336 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,337 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,337 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,337 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,337 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,337 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,338 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,338 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,338 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,338 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,338 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,338 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,339 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,339 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,339 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,340 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,340 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,340 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,340 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,340 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,341 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,341 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,341 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,342 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,342 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,342 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,343 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,343 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,343 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,343 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,344 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,344 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,344 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,344 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,344 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,345 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,345 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,345 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,345 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,345 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,345 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,346 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,346 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,346 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,346 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,346 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,347 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,347 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,347 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,348 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,348 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,348 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,348 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,348 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,348 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,349 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,349 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,349 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,349 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,349 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,350 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,350 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,351 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,351 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,351 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,351 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,351 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,352 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,352 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,352 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,352 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,352 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,353 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,353 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,353 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,353 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,353 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,354 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,354 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,354 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,354 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,355 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,355 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,355 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,355 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,359 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,359 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,359 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,360 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,360 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,360 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,360 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,361 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,361 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,361 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,361 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,361 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,362 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,362 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,362 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,362 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,362 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,363 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,363 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,363 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,368 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,368 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,369 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,369 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,369 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,369 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,369 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,369 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,370 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,370 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,370 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,370 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,370 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,370 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,371 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,371 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,373 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,373 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,373 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,374 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,380 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-10-08 18:46:22,449 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-08 18:46:22,450 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 18:46:22,452 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-10-08 18:46:22,455 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-10-08 18:46:22,507 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-10-08 18:46:22,518 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-08 18:46:22,519 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-08 18:46:22,642 WARN L313 ript$VariableManager]: TermVariabe |v_thread2_#t~ite19_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,643 WARN L313 ript$VariableManager]: TermVariabe v_~result_7~0_95 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:22,696 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-08 18:46:22,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 18:46:22,703 INFO L82 PathProgramCache]: Analyzing trace with hash 7191915, now seen corresponding path program 1 times [2021-10-08 18:46:22,713 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 18:46:22,714 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171454692] [2021-10-08 18:46:22,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 18:46:22,714 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 18:46:22,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 18:46:22,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 18:46:22,952 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 18:46:22,952 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171454692] [2021-10-08 18:46:22,953 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171454692] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-08 18:46:22,953 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-08 18:46:22,953 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-08 18:46:22,955 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783668151] [2021-10-08 18:46:22,962 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-08 18:46:22,963 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 18:46:22,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-08 18:46:22,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-08 18:46:22,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:46:22,981 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-08 18:46:22,983 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 59.0) internal successors, (118), 2 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 18:46:22,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:46:23,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:46:23,012 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-08 18:46:23,013 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-08 18:46:23,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 18:46:23,014 INFO L82 PathProgramCache]: Analyzing trace with hash -1330154167, now seen corresponding path program 1 times [2021-10-08 18:46:23,014 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 18:46:23,014 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731765956] [2021-10-08 18:46:23,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 18:46:23,015 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 18:46:23,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 18:46:23,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 18:46:23,354 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 18:46:23,354 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731765956] [2021-10-08 18:46:23,354 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [731765956] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-08 18:46:23,355 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-08 18:46:23,355 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-08 18:46:23,355 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233246675] [2021-10-08 18:46:23,357 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-08 18:46:23,357 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 18:46:23,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-08 18:46:23,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-08 18:46:23,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:46:23,361 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-08 18:46:23,361 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.25) internal successors, (117), 4 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 18:46:23,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:46:23,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:46:23,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:46:23,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:23,439 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-08 18:46:23,439 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-08 18:46:23,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 18:46:23,440 INFO L82 PathProgramCache]: Analyzing trace with hash -962150455, now seen corresponding path program 1 times [2021-10-08 18:46:23,440 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 18:46:23,441 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459523996] [2021-10-08 18:46:23,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 18:46:23,441 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 18:46:23,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 18:46:23,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 18:46:23,619 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 18:46:23,620 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459523996] [2021-10-08 18:46:23,620 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1459523996] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-08 18:46:23,620 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-08 18:46:23,621 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-08 18:46:23,621 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711468364] [2021-10-08 18:46:23,622 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-08 18:46:23,622 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 18:46:23,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-08 18:46:23,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-08 18:46:23,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:46:23,624 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-08 18:46:23,626 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.75) internal successors, (119), 4 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 18:46:23,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:46:23,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:23,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:46:23,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:46:23,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:23,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:23,737 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-08 18:46:23,737 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-08 18:46:23,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 18:46:23,740 INFO L82 PathProgramCache]: Analyzing trace with hash 1441490570, now seen corresponding path program 1 times [2021-10-08 18:46:23,740 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 18:46:23,741 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346694806] [2021-10-08 18:46:23,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 18:46:23,742 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 18:46:23,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 18:46:23,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 18:46:23,959 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 18:46:23,960 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346694806] [2021-10-08 18:46:23,960 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346694806] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-08 18:46:23,960 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-08 18:46:23,960 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-08 18:46:23,961 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191112904] [2021-10-08 18:46:23,964 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-08 18:46:23,964 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 18:46:23,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-08 18:46:23,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-08 18:46:23,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:46:23,966 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-08 18:46:23,966 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.833333333333332) internal successors, (119), 6 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 18:46:23,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:46:23,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:23,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:23,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:46:24,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:46:24,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:24,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:24,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-08 18:46:24,050 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-08 18:46:24,050 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-08 18:46:24,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 18:46:24,051 INFO L82 PathProgramCache]: Analyzing trace with hash 1407670815, now seen corresponding path program 1 times [2021-10-08 18:46:24,051 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 18:46:24,051 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845885929] [2021-10-08 18:46:24,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 18:46:24,052 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 18:46:24,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 18:46:24,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 18:46:24,145 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 18:46:24,146 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845885929] [2021-10-08 18:46:24,146 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845885929] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-08 18:46:24,146 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-08 18:46:24,146 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-08 18:46:24,147 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647710550] [2021-10-08 18:46:24,147 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-08 18:46:24,147 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 18:46:24,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-08 18:46:24,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-08 18:46:24,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:46:24,149 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-08 18:46:24,149 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.2) internal successors, (121), 5 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 18:46:24,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:46:24,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:24,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:24,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-08 18:46:24,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:46:24,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:46:24,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:24,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:24,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-08 18:46:24,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:24,191 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-08 18:46:24,191 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-08 18:46:24,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 18:46:24,192 INFO L82 PathProgramCache]: Analyzing trace with hash -40960601, now seen corresponding path program 1 times [2021-10-08 18:46:24,192 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 18:46:24,193 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096077758] [2021-10-08 18:46:24,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 18:46:24,193 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 18:46:24,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 18:46:24,292 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 18:46:24,292 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 18:46:24,292 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096077758] [2021-10-08 18:46:24,293 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1096077758] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 18:46:24,293 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1954192713] [2021-10-08 18:46:24,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 18:46:24,293 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 18:46:24,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 18:46:24,296 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 18:46:24,321 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-08 18:46:24,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 18:46:24,409 INFO L263 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-08 18:46:24,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 18:46:24,787 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 18:46:24,787 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1954192713] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 18:46:24,788 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 18:46:24,788 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2021-10-08 18:46:24,789 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882245644] [2021-10-08 18:46:24,790 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-08 18:46:24,790 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 18:46:24,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-08 18:46:24,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2021-10-08 18:46:24,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:46:24,801 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-08 18:46:24,802 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 13.7) internal successors, (137), 10 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 18:46:24,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:46:24,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:24,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:24,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-08 18:46:24,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:24,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:46:24,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:46:24,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:24,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:24,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-08 18:46:24,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:24,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-08 18:46:24,969 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-08 18:46:25,143 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-10-08 18:46:25,145 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-08 18:46:25,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 18:46:25,145 INFO L82 PathProgramCache]: Analyzing trace with hash 154784031, now seen corresponding path program 2 times [2021-10-08 18:46:25,146 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 18:46:25,146 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006647731] [2021-10-08 18:46:25,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 18:46:25,146 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 18:46:25,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 18:46:25,285 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 18:46:25,285 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 18:46:25,286 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006647731] [2021-10-08 18:46:25,286 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2006647731] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 18:46:25,286 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1952580920] [2021-10-08 18:46:25,286 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-08 18:46:25,287 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 18:46:25,287 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 18:46:25,288 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 18:46:25,311 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-08 18:46:25,420 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-10-08 18:46:25,421 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 18:46:25,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 13 conjunts are in the unsatisfiable core [2021-10-08 18:46:25,427 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 18:46:25,792 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-10-08 18:46:25,793 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1952580920] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-08 18:46:25,794 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-08 18:46:25,794 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9] total 15 [2021-10-08 18:46:25,794 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970241001] [2021-10-08 18:46:25,796 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-08 18:46:25,796 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 18:46:25,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-08 18:46:25,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-08 18:46:25,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:46:25,800 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-08 18:46:25,800 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.0) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 18:46:25,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:46:25,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:25,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:25,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-08 18:46:25,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:25,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-08 18:46:25,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:46:25,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:46:25,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:25,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:25,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-08 18:46:25,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:25,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-08 18:46:25,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-08 18:46:26,014 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-10-08 18:46:26,182 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 18:46:26,183 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-08 18:46:26,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 18:46:26,184 INFO L82 PathProgramCache]: Analyzing trace with hash 1283315951, now seen corresponding path program 1 times [2021-10-08 18:46:26,184 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 18:46:26,184 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172802577] [2021-10-08 18:46:26,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 18:46:26,185 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 18:46:26,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 18:46:26,321 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-08 18:46:26,322 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 18:46:26,322 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172802577] [2021-10-08 18:46:26,323 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172802577] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 18:46:26,323 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1133333944] [2021-10-08 18:46:26,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 18:46:26,324 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 18:46:26,324 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 18:46:26,325 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 18:46:26,336 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-10-08 18:46:26,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 18:46:26,502 INFO L263 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-08 18:46:26,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 18:46:26,859 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-08 18:46:26,861 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1133333944] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 18:46:26,861 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 18:46:26,861 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 14 [2021-10-08 18:46:26,862 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445102932] [2021-10-08 18:46:26,862 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-10-08 18:46:26,862 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 18:46:26,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-10-08 18:46:26,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2021-10-08 18:46:26,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:46:26,865 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-08 18:46:26,867 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 10.857142857142858) internal successors, (152), 14 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 18:46:26,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:46:26,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:26,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:26,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-08 18:46:26,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:26,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-08 18:46:26,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-08 18:46:26,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:46:27,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:46:27,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:27,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:27,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-08 18:46:27,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:27,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-08 18:46:27,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-08 18:46:27,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-08 18:46:27,039 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-10-08 18:46:27,217 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 18:46:27,218 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-08 18:46:27,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 18:46:27,219 INFO L82 PathProgramCache]: Analyzing trace with hash -172379033, now seen corresponding path program 2 times [2021-10-08 18:46:27,219 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 18:46:27,220 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233104835] [2021-10-08 18:46:27,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 18:46:27,221 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 18:46:27,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 18:46:27,371 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-10-08 18:46:27,371 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 18:46:27,371 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233104835] [2021-10-08 18:46:27,371 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1233104835] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 18:46:27,372 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [305859494] [2021-10-08 18:46:27,372 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-08 18:46:27,372 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 18:46:27,372 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 18:46:27,373 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 18:46:27,392 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-10-08 18:46:27,574 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-08 18:46:27,574 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 18:46:27,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-08 18:46:27,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 18:46:27,928 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-10-08 18:46:27,929 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [305859494] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-08 18:46:27,929 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-08 18:46:27,929 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 9 [2021-10-08 18:46:27,929 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626289242] [2021-10-08 18:46:27,930 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-08 18:46:27,930 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 18:46:27,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-08 18:46:27,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-10-08 18:46:27,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:46:27,931 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-08 18:46:27,931 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.8) internal successors, (129), 5 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 18:46:27,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:46:27,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:27,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:27,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-08 18:46:27,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:27,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-08 18:46:27,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-08 18:46:27,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-08 18:46:27,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:46:28,022 WARN L313 ript$VariableManager]: TermVariabe v_~result_3~0_89 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:28,022 WARN L313 ript$VariableManager]: TermVariabe v_~break_6~0_100 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:28,045 WARN L313 ript$VariableManager]: TermVariabe v_~result_3~0_89 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:28,046 WARN L313 ript$VariableManager]: TermVariabe v_~break_6~0_100 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:46:28,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:46:28,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:28,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:28,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-08 18:46:28,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:28,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-08 18:46:28,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-08 18:46:28,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-08 18:46:28,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:28,145 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-10-08 18:46:28,320 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 18:46:28,321 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-08 18:46:28,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 18:46:28,322 INFO L82 PathProgramCache]: Analyzing trace with hash -137024082, now seen corresponding path program 1 times [2021-10-08 18:46:28,323 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 18:46:28,323 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018305692] [2021-10-08 18:46:28,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 18:46:28,324 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 18:46:28,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 18:46:28,399 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-10-08 18:46:28,399 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 18:46:28,399 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018305692] [2021-10-08 18:46:28,399 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1018305692] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-08 18:46:28,399 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-08 18:46:28,400 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-08 18:46:28,400 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028272132] [2021-10-08 18:46:28,400 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-08 18:46:28,400 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 18:46:28,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-08 18:46:28,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-08 18:46:28,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:46:28,401 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-08 18:46:28,402 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 18:46:28,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:46:28,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:28,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:28,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-08 18:46:28,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:28,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-08 18:46:28,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-08 18:46:28,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-08 18:46:28,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:28,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:46:28,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:46:28,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:28,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:28,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-08 18:46:28,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:28,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-08 18:46:28,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-08 18:46:28,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-08 18:46:28,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:28,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:28,440 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-08 18:46:28,440 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-08 18:46:28,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 18:46:28,441 INFO L82 PathProgramCache]: Analyzing trace with hash 578545731, now seen corresponding path program 1 times [2021-10-08 18:46:28,441 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 18:46:28,441 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033776060] [2021-10-08 18:46:28,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 18:46:28,442 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 18:46:28,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 18:46:28,565 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-10-08 18:46:28,565 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 18:46:28,565 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033776060] [2021-10-08 18:46:28,566 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033776060] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 18:46:28,566 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [623607833] [2021-10-08 18:46:28,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 18:46:28,566 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 18:46:28,566 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 18:46:28,567 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 18:46:28,573 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-10-08 18:46:28,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 18:46:28,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-08 18:46:28,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 18:46:29,167 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-10-08 18:46:29,168 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [623607833] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 18:46:29,168 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 18:46:29,168 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2021-10-08 18:46:29,171 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710262397] [2021-10-08 18:46:29,172 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-08 18:46:29,172 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 18:46:29,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-08 18:46:29,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-10-08 18:46:29,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:46:29,173 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-08 18:46:29,174 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 15.9) internal successors, (159), 10 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 18:46:29,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:46:29,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:29,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:29,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-08 18:46:29,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:29,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-08 18:46:29,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-08 18:46:29,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-08 18:46:29,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:29,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:29,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:46:29,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:46:29,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:29,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:29,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-08 18:46:29,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:29,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-08 18:46:29,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-08 18:46:29,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-08 18:46:29,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:29,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:29,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-08 18:46:29,380 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-10-08 18:46:29,560 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-10-08 18:46:29,561 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-08 18:46:29,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 18:46:29,562 INFO L82 PathProgramCache]: Analyzing trace with hash 2049951081, now seen corresponding path program 1 times [2021-10-08 18:46:29,562 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 18:46:29,563 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202213134] [2021-10-08 18:46:29,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 18:46:29,563 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 18:46:29,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 18:46:30,194 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-10-08 18:46:30,194 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 18:46:30,194 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202213134] [2021-10-08 18:46:30,194 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202213134] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 18:46:30,194 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1984341262] [2021-10-08 18:46:30,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 18:46:30,195 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 18:46:30,195 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 18:46:30,198 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 18:46:30,222 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-10-08 18:46:30,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 18:46:30,486 INFO L263 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 53 conjunts are in the unsatisfiable core [2021-10-08 18:46:30,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 18:46:30,548 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-10-08 18:46:30,791 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-10-08 18:46:30,791 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-10-08 18:46:31,706 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-10-08 18:46:31,707 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 54 [2021-10-08 18:46:32,359 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 182 treesize of output 134 [2021-10-08 18:46:33,168 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-10-08 18:46:33,168 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1984341262] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 18:46:33,169 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 18:46:33,169 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 20] total 28 [2021-10-08 18:46:33,169 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047717809] [2021-10-08 18:46:33,170 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-10-08 18:46:33,170 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 18:46:33,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-10-08 18:46:33,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=684, Unknown=0, NotChecked=0, Total=756 [2021-10-08 18:46:33,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:46:33,172 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-08 18:46:33,172 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 7.428571428571429) internal successors, (208), 28 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 18:46:33,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:46:33,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:33,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:33,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-08 18:46:33,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:33,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-08 18:46:33,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-08 18:46:33,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-08 18:46:33,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:33,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:33,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-08 18:46:33,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:46:34,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:46:34,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:34,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:34,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-08 18:46:34,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:34,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-08 18:46:34,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-08 18:46:34,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-08 18:46:34,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:34,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:34,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-08 18:46:34,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-10-08 18:46:34,908 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2021-10-08 18:46:35,087 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 18:46:35,088 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-08 18:46:35,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 18:46:35,089 INFO L82 PathProgramCache]: Analyzing trace with hash -427269370, now seen corresponding path program 1 times [2021-10-08 18:46:35,089 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 18:46:35,089 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277938978] [2021-10-08 18:46:35,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 18:46:35,090 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 18:46:35,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 18:46:35,194 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-10-08 18:46:35,194 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 18:46:35,194 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277938978] [2021-10-08 18:46:35,195 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277938978] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-08 18:46:35,195 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-08 18:46:35,195 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-08 18:46:35,195 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571946627] [2021-10-08 18:46:35,196 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-08 18:46:35,196 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 18:46:35,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-08 18:46:35,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-10-08 18:46:35,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:46:35,197 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-08 18:46:35,197 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.857142857142858) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 18:46:35,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:46:35,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:35,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:35,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-08 18:46:35,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:35,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-08 18:46:35,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-08 18:46:35,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-08 18:46:35,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:35,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:35,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-08 18:46:35,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-10-08 18:46:35,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:46:35,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:46:35,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:35,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:35,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-08 18:46:35,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:35,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-08 18:46:35,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-08 18:46:35,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-08 18:46:35,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:35,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:35,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-08 18:46:35,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-10-08 18:46:35,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-08 18:46:35,315 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-08 18:46:35,316 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-08 18:46:35,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 18:46:35,316 INFO L82 PathProgramCache]: Analyzing trace with hash 323717097, now seen corresponding path program 1 times [2021-10-08 18:46:35,316 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 18:46:35,316 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731785307] [2021-10-08 18:46:35,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 18:46:35,317 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 18:46:35,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 18:46:35,434 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-10-08 18:46:35,435 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 18:46:35,435 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731785307] [2021-10-08 18:46:35,435 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1731785307] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-08 18:46:35,435 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-08 18:46:35,435 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-08 18:46:35,436 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873643724] [2021-10-08 18:46:35,436 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-08 18:46:35,436 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 18:46:35,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-08 18:46:35,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-10-08 18:46:35,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:46:35,437 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-08 18:46:35,438 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.857142857142858) internal successors, (132), 7 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 18:46:35,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:46:35,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:35,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:35,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-08 18:46:35,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:35,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-08 18:46:35,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-08 18:46:35,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-08 18:46:35,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:35,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:35,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-08 18:46:35,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-10-08 18:46:35,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-08 18:46:35,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:46:35,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:46:35,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:35,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:35,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-08 18:46:35,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:35,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-08 18:46:35,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-08 18:46:35,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-08 18:46:35,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:35,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:35,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-08 18:46:35,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-10-08 18:46:35,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-08 18:46:35,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-08 18:46:35,524 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-08 18:46:35,525 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-08 18:46:35,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 18:46:35,525 INFO L82 PathProgramCache]: Analyzing trace with hash -1480751738, now seen corresponding path program 1 times [2021-10-08 18:46:35,525 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 18:46:35,525 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748982514] [2021-10-08 18:46:35,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 18:46:35,526 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 18:46:35,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 18:46:36,024 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-10-08 18:46:36,024 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 18:46:36,024 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748982514] [2021-10-08 18:46:36,025 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748982514] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 18:46:36,025 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1456572004] [2021-10-08 18:46:36,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 18:46:36,025 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 18:46:36,025 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 18:46:36,026 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 18:46:36,038 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-10-08 18:46:36,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 18:46:36,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 57 conjunts are in the unsatisfiable core [2021-10-08 18:46:36,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 18:46:36,484 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-10-08 18:46:36,711 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-10-08 18:46:36,711 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-10-08 18:46:37,691 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-10-08 18:46:37,691 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 35 [2021-10-08 18:46:38,131 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 56 [2021-10-08 18:46:38,330 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-10-08 18:46:38,330 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1456572004] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 18:46:38,330 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 18:46:38,330 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 20] total 28 [2021-10-08 18:46:38,330 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812145077] [2021-10-08 18:46:38,331 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-10-08 18:46:38,331 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 18:46:38,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-10-08 18:46:38,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=673, Unknown=0, NotChecked=0, Total=756 [2021-10-08 18:46:38,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:46:38,333 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-08 18:46:38,333 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 7.607142857142857) internal successors, (213), 28 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 18:46:38,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:46:38,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:38,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:38,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-08 18:46:38,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:38,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-08 18:46:38,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-08 18:46:38,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-08 18:46:38,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:38,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:38,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-08 18:46:38,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-10-08 18:46:38,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-08 18:46:38,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-08 18:46:38,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:46:39,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:46:39,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:39,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:39,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-08 18:46:39,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:39,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-08 18:46:39,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-08 18:46:39,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-08 18:46:39,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:39,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:39,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-08 18:46:39,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-10-08 18:46:39,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-08 18:46:39,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-08 18:46:39,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-08 18:46:39,452 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-10-08 18:46:39,614 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-10-08 18:46:39,615 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-08 18:46:39,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 18:46:39,616 INFO L82 PathProgramCache]: Analyzing trace with hash -1567609174, now seen corresponding path program 1 times [2021-10-08 18:46:39,616 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 18:46:39,616 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979614029] [2021-10-08 18:46:39,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 18:46:39,617 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 18:46:39,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 18:46:39,821 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-10-08 18:46:39,821 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 18:46:39,821 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979614029] [2021-10-08 18:46:39,821 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979614029] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 18:46:39,821 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [257126960] [2021-10-08 18:46:39,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 18:46:39,823 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 18:46:39,823 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 18:46:39,824 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 18:46:39,848 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-10-08 18:46:40,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 18:46:40,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 33 conjunts are in the unsatisfiable core [2021-10-08 18:46:40,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 18:46:41,681 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-10-08 18:46:41,681 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [257126960] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 18:46:41,682 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 18:46:41,682 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 15] total 22 [2021-10-08 18:46:41,682 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808040847] [2021-10-08 18:46:41,683 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-10-08 18:46:41,683 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 18:46:41,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-10-08 18:46:41,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=391, Unknown=0, NotChecked=0, Total=462 [2021-10-08 18:46:41,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:46:41,684 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-08 18:46:41,684 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 8.0) internal successors, (176), 22 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 18:46:41,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:46:41,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:41,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:41,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-08 18:46:41,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:41,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-08 18:46:41,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-08 18:46:41,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-08 18:46:41,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:41,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:41,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-08 18:46:41,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-10-08 18:46:41,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-08 18:46:41,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-08 18:46:41,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-10-08 18:46:41,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:46:43,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:46:43,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:43,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:43,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-08 18:46:43,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:43,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-08 18:46:43,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-08 18:46:43,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-08 18:46:43,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:43,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:43,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-08 18:46:43,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-10-08 18:46:43,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-08 18:46:43,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-08 18:46:43,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-10-08 18:46:43,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-08 18:46:43,051 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-10-08 18:46:43,220 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,10 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 18:46:43,221 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-08 18:46:43,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 18:46:43,222 INFO L82 PathProgramCache]: Analyzing trace with hash 704700896, now seen corresponding path program 2 times [2021-10-08 18:46:43,223 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 18:46:43,223 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93761862] [2021-10-08 18:46:43,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 18:46:43,224 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 18:46:43,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 18:46:43,696 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-10-08 18:46:43,696 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 18:46:43,697 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93761862] [2021-10-08 18:46:43,697 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93761862] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 18:46:43,697 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1020328151] [2021-10-08 18:46:43,697 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-08 18:46:43,698 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 18:46:43,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 18:46:43,699 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 18:46:43,701 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-10-08 18:46:44,350 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-08 18:46:44,351 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 18:46:44,354 INFO L263 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 60 conjunts are in the unsatisfiable core [2021-10-08 18:46:44,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 18:46:45,763 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-10-08 18:46:45,763 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 50 [2021-10-08 18:46:46,291 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 87 [2021-10-08 18:46:46,621 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-10-08 18:46:46,622 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1020328151] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 18:46:46,622 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 18:46:46,622 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 18] total 33 [2021-10-08 18:46:46,622 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441163688] [2021-10-08 18:46:46,623 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2021-10-08 18:46:46,623 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 18:46:46,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-10-08 18:46:46,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=976, Unknown=0, NotChecked=0, Total=1056 [2021-10-08 18:46:46,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:46:46,624 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-08 18:46:46,625 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 7.121212121212121) internal successors, (235), 33 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 18:46:46,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:46:46,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:46,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:46,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-08 18:46:46,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:46,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-08 18:46:46,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-08 18:46:46,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-08 18:46:46,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:46,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:46,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-08 18:46:46,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-10-08 18:46:46,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-08 18:46:46,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-08 18:46:46,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-10-08 18:46:46,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-10-08 18:46:46,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:46:49,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:46:49,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:49,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:49,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-08 18:46:49,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:49,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-08 18:46:49,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-08 18:46:49,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-08 18:46:49,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:49,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:49,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-08 18:46:49,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-08 18:46:49,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-08 18:46:49,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-08 18:46:49,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-10-08 18:46:49,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-10-08 18:46:49,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-10-08 18:46:49,791 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-10-08 18:46:49,966 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-10-08 18:46:49,967 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-08 18:46:49,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 18:46:49,968 INFO L82 PathProgramCache]: Analyzing trace with hash 1442145528, now seen corresponding path program 3 times [2021-10-08 18:46:49,968 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 18:46:49,968 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117100705] [2021-10-08 18:46:49,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 18:46:49,969 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 18:46:50,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 18:46:50,538 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-10-08 18:46:50,538 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 18:46:50,538 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117100705] [2021-10-08 18:46:50,538 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117100705] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 18:46:50,538 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1629773929] [2021-10-08 18:46:50,539 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-08 18:46:50,539 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 18:46:50,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 18:46:50,540 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 18:46:50,541 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-10-08 18:46:51,271 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-10-08 18:46:51,272 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 18:46:51,274 INFO L263 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 49 conjunts are in the unsatisfiable core [2021-10-08 18:46:51,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 18:46:52,377 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-10-08 18:46:52,378 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 62 [2021-10-08 18:46:53,014 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-10-08 18:46:53,015 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1629773929] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 18:46:53,015 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 18:46:53,015 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 18] total 33 [2021-10-08 18:46:53,016 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916782075] [2021-10-08 18:46:53,016 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2021-10-08 18:46:53,016 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 18:46:53,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-10-08 18:46:53,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=961, Unknown=0, NotChecked=0, Total=1056 [2021-10-08 18:46:53,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:46:53,018 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-08 18:46:53,018 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 7.121212121212121) internal successors, (235), 33 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 18:46:53,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:46:53,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:53,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:53,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-08 18:46:53,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:53,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-08 18:46:53,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-08 18:46:53,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-08 18:46:53,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:53,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:53,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-08 18:46:53,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-10-08 18:46:53,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-08 18:46:53,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-08 18:46:53,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-10-08 18:46:53,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-10-08 18:46:53,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-10-08 18:46:53,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:46:54,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:46:54,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:54,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:54,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-08 18:46:54,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:54,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-08 18:46:54,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-08 18:46:54,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-08 18:46:54,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:54,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:54,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-08 18:46:54,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-08 18:46:54,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-08 18:46:54,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-08 18:46:54,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-10-08 18:46:54,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-10-08 18:46:54,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-10-08 18:46:54,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-10-08 18:46:54,825 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2021-10-08 18:46:55,000 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-10-08 18:46:55,000 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-08 18:46:55,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 18:46:55,001 INFO L82 PathProgramCache]: Analyzing trace with hash -423455245, now seen corresponding path program 4 times [2021-10-08 18:46:55,002 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 18:46:55,002 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346740137] [2021-10-08 18:46:55,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 18:46:55,002 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 18:46:55,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 18:46:55,393 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-10-08 18:46:55,393 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 18:46:55,393 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346740137] [2021-10-08 18:46:55,393 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1346740137] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 18:46:55,393 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [60103529] [2021-10-08 18:46:55,394 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-08 18:46:55,394 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 18:46:55,394 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 18:46:55,395 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 18:46:55,421 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-10-08 18:46:56,174 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-08 18:46:56,174 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 18:46:56,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 46 conjunts are in the unsatisfiable core [2021-10-08 18:46:56,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 18:46:58,226 INFO L354 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2021-10-08 18:46:58,226 INFO L388 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 150 treesize of output 109 [2021-10-08 18:46:58,578 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-10-08 18:46:58,578 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [60103529] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 18:46:58,578 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 18:46:58,579 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 17] total 23 [2021-10-08 18:46:58,579 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26519155] [2021-10-08 18:46:58,580 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-10-08 18:46:58,580 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 18:46:58,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-10-08 18:46:58,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=445, Unknown=0, NotChecked=0, Total=506 [2021-10-08 18:46:58,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:46:58,582 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-08 18:46:58,582 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 7.260869565217392) internal successors, (167), 23 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 18:46:58,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:46:58,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:58,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:58,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-08 18:46:58,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:58,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-08 18:46:58,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-08 18:46:58,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-08 18:46:58,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:58,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:46:58,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-08 18:46:58,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-10-08 18:46:58,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-08 18:46:58,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-08 18:46:58,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-10-08 18:46:58,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-10-08 18:46:58,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-10-08 18:46:58,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-10-08 18:46:58,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:47:00,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:47:00,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:47:00,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:47:00,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-08 18:47:00,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:47:00,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-08 18:47:00,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-08 18:47:00,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-08 18:47:00,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:47:00,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:47:00,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-08 18:47:00,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-10-08 18:47:00,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-08 18:47:00,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-08 18:47:00,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-10-08 18:47:00,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-08 18:47:00,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-10-08 18:47:00,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-08 18:47:00,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-08 18:47:00,441 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-10-08 18:47:00,614 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,13 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 18:47:00,614 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-08 18:47:00,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 18:47:00,623 INFO L82 PathProgramCache]: Analyzing trace with hash -167706352, now seen corresponding path program 2 times [2021-10-08 18:47:00,624 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 18:47:00,624 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939419073] [2021-10-08 18:47:00,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 18:47:00,624 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 18:47:00,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 18:47:01,555 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 18:47:01,555 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 18:47:01,555 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939419073] [2021-10-08 18:47:01,555 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [939419073] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 18:47:01,555 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2033715392] [2021-10-08 18:47:01,555 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-08 18:47:01,556 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 18:47:01,556 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 18:47:01,558 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 18:47:01,576 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-10-08 18:47:02,550 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-08 18:47:02,550 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 18:47:02,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 70 conjunts are in the unsatisfiable core [2021-10-08 18:47:02,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 18:47:03,686 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-10-08 18:47:03,686 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 62 [2021-10-08 18:47:05,285 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-10-08 18:47:05,285 INFO L388 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 144 treesize of output 88 [2021-10-08 18:47:05,673 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-08 18:47:05,674 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2033715392] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 18:47:05,674 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 18:47:05,674 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 24] total 46 [2021-10-08 18:47:05,674 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798234138] [2021-10-08 18:47:05,677 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2021-10-08 18:47:05,677 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 18:47:05,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2021-10-08 18:47:05,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1953, Unknown=0, NotChecked=0, Total=2070 [2021-10-08 18:47:05,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:47:05,679 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-08 18:47:05,680 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 5.804347826086956) internal successors, (267), 46 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 18:47:05,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:47:05,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:47:05,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:47:05,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-08 18:47:05,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:47:05,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-08 18:47:05,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-08 18:47:05,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-08 18:47:05,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:47:05,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:47:05,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-08 18:47:05,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-10-08 18:47:05,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-08 18:47:05,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-08 18:47:05,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-10-08 18:47:05,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-10-08 18:47:05,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-10-08 18:47:05,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-10-08 18:47:05,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-08 18:47:05,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:47:11,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:47:11,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:47:11,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:47:11,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-08 18:47:11,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:47:11,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-08 18:47:11,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-08 18:47:11,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-08 18:47:11,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:47:11,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:47:11,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-08 18:47:11,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-10-08 18:47:11,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-08 18:47:11,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-08 18:47:11,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-10-08 18:47:11,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-08 18:47:11,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-10-08 18:47:11,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-08 18:47:11,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-08 18:47:11,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-10-08 18:47:11,695 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-10-08 18:47:11,867 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable19 [2021-10-08 18:47:11,867 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-08 18:47:11,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 18:47:11,868 INFO L82 PathProgramCache]: Analyzing trace with hash -84226794, now seen corresponding path program 5 times [2021-10-08 18:47:11,868 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 18:47:11,869 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941079682] [2021-10-08 18:47:11,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 18:47:11,869 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 18:47:11,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 18:47:12,600 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-10-08 18:47:12,600 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 18:47:12,600 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941079682] [2021-10-08 18:47:12,600 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941079682] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 18:47:12,601 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1988003987] [2021-10-08 18:47:12,601 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-10-08 18:47:12,601 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 18:47:12,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 18:47:12,605 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 18:47:12,624 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-10-08 18:47:13,802 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-10-08 18:47:13,802 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 18:47:13,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 47 conjunts are in the unsatisfiable core [2021-10-08 18:47:13,809 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 18:47:15,312 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 62 [2021-10-08 18:47:15,471 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-10-08 18:47:15,471 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1988003987] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 18:47:15,471 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 18:47:15,472 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 14] total 31 [2021-10-08 18:47:15,472 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073435702] [2021-10-08 18:47:15,473 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2021-10-08 18:47:15,473 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 18:47:15,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-10-08 18:47:15,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=836, Unknown=0, NotChecked=0, Total=930 [2021-10-08 18:47:15,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:47:15,474 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-08 18:47:15,474 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 8.03225806451613) internal successors, (249), 31 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 18:47:15,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:47:15,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:47:15,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:47:15,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-08 18:47:15,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:47:15,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-08 18:47:15,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-08 18:47:15,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-08 18:47:15,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:47:15,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:47:15,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-08 18:47:15,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-10-08 18:47:15,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-08 18:47:15,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-08 18:47:15,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-10-08 18:47:15,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-10-08 18:47:15,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-10-08 18:47:15,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-10-08 18:47:15,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-08 18:47:15,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-10-08 18:47:15,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:47:17,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:47:17,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:47:17,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:47:17,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-08 18:47:17,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:47:17,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-08 18:47:17,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-08 18:47:17,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-08 18:47:17,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:47:17,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:47:17,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-08 18:47:17,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-10-08 18:47:17,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-08 18:47:17,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-08 18:47:17,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-08 18:47:17,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-08 18:47:17,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-10-08 18:47:17,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-08 18:47:17,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-08 18:47:17,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-10-08 18:47:17,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-08 18:47:17,814 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2021-10-08 18:47:17,995 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,15 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 18:47:17,996 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-08 18:47:17,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 18:47:17,997 INFO L82 PathProgramCache]: Analyzing trace with hash 312334424, now seen corresponding path program 6 times [2021-10-08 18:47:17,997 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 18:47:17,997 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500087747] [2021-10-08 18:47:17,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 18:47:17,998 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 18:47:18,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 18:47:18,487 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-10-08 18:47:18,488 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 18:47:18,488 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500087747] [2021-10-08 18:47:18,488 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500087747] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 18:47:18,488 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [453313334] [2021-10-08 18:47:18,488 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-10-08 18:47:18,489 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 18:47:18,489 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 18:47:18,490 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 18:47:18,499 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-10-08 18:47:19,724 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-10-08 18:47:19,724 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 18:47:19,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 40 conjunts are in the unsatisfiable core [2021-10-08 18:47:19,730 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 18:47:21,249 INFO L354 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2021-10-08 18:47:21,249 INFO L388 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 85 treesize of output 60 [2021-10-08 18:47:21,321 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-10-08 18:47:21,322 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [453313334] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 18:47:21,322 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 18:47:21,322 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 15] total 23 [2021-10-08 18:47:21,322 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747386519] [2021-10-08 18:47:21,323 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-10-08 18:47:21,323 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 18:47:21,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-10-08 18:47:21,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=437, Unknown=0, NotChecked=0, Total=506 [2021-10-08 18:47:21,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:47:21,324 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-08 18:47:21,324 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 7.608695652173913) internal successors, (175), 23 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 18:47:21,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:47:21,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:47:21,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:47:21,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-08 18:47:21,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:47:21,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-08 18:47:21,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-08 18:47:21,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-08 18:47:21,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:47:21,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:47:21,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-08 18:47:21,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-10-08 18:47:21,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-08 18:47:21,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-08 18:47:21,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-10-08 18:47:21,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-10-08 18:47:21,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-10-08 18:47:21,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-10-08 18:47:21,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-08 18:47:21,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-10-08 18:47:21,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-10-08 18:47:21,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:47:22,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:47:22,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:47:22,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:47:22,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-08 18:47:22,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:47:22,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-08 18:47:22,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-08 18:47:22,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-08 18:47:22,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:47:22,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:47:22,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-08 18:47:22,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-10-08 18:47:22,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-08 18:47:22,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-08 18:47:22,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-08 18:47:22,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-08 18:47:22,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-10-08 18:47:22,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-08 18:47:22,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-08 18:47:22,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-10-08 18:47:22,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-08 18:47:22,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-10-08 18:47:22,171 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2021-10-08 18:47:22,348 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,16 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 18:47:22,349 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-08 18:47:22,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 18:47:22,349 INFO L82 PathProgramCache]: Analyzing trace with hash 1032644243, now seen corresponding path program 7 times [2021-10-08 18:47:22,350 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 18:47:22,350 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550694546] [2021-10-08 18:47:22,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 18:47:22,350 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 18:47:22,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 18:47:23,067 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 2 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 18:47:23,068 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 18:47:23,068 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550694546] [2021-10-08 18:47:23,068 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [550694546] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 18:47:23,068 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [777412548] [2021-10-08 18:47:23,069 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-10-08 18:47:23,069 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 18:47:23,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 18:47:23,075 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 18:47:23,090 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2021-10-08 18:47:24,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 18:47:24,400 INFO L263 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 73 conjunts are in the unsatisfiable core [2021-10-08 18:47:24,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 18:47:27,693 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-08 18:47:27,693 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 196 treesize of output 136 [2021-10-08 18:47:28,467 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-08 18:47:28,468 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [777412548] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 18:47:28,468 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 18:47:28,468 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 26] total 45 [2021-10-08 18:47:28,468 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779450917] [2021-10-08 18:47:28,469 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2021-10-08 18:47:28,469 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 18:47:28,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2021-10-08 18:47:28,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=1848, Unknown=0, NotChecked=0, Total=1980 [2021-10-08 18:47:28,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:47:28,470 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-08 18:47:28,471 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 5.0) internal successors, (225), 45 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 18:47:28,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:47:28,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:47:28,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:47:28,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-08 18:47:28,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:47:28,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-08 18:47:28,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-08 18:47:28,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-08 18:47:28,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:47:28,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:47:28,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-08 18:47:28,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-10-08 18:47:28,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-08 18:47:28,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-08 18:47:28,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-10-08 18:47:28,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-10-08 18:47:28,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-10-08 18:47:28,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-10-08 18:47:28,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-08 18:47:28,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-10-08 18:47:28,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-10-08 18:47:28,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-10-08 18:47:28,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:47:34,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:47:34,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:47:34,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:47:34,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-08 18:47:34,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:47:34,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-08 18:47:34,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-08 18:47:34,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-08 18:47:34,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:47:34,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:47:34,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-08 18:47:34,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-10-08 18:47:34,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-08 18:47:34,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-08 18:47:34,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-08 18:47:34,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-08 18:47:34,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-10-08 18:47:34,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-08 18:47:34,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-08 18:47:34,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-10-08 18:47:34,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-10-08 18:47:34,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-08 18:47:34,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-10-08 18:47:34,328 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2021-10-08 18:47:34,500 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2021-10-08 18:47:34,500 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-08 18:47:34,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 18:47:34,502 INFO L82 PathProgramCache]: Analyzing trace with hash 1207042480, now seen corresponding path program 3 times [2021-10-08 18:47:34,502 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 18:47:34,502 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835101819] [2021-10-08 18:47:34,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 18:47:34,503 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 18:47:34,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 18:47:35,356 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 2 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 18:47:35,356 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 18:47:35,357 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835101819] [2021-10-08 18:47:35,357 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835101819] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 18:47:35,357 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1139513315] [2021-10-08 18:47:35,357 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-08 18:47:35,357 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 18:47:35,357 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 18:47:35,358 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 18:47:35,366 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2021-10-08 18:47:36,758 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-10-08 18:47:36,759 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 18:47:36,761 INFO L263 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 69 conjunts are in the unsatisfiable core [2021-10-08 18:47:36,767 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 18:47:37,568 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-10-08 18:47:37,921 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-10-08 18:47:38,079 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-10-08 18:47:39,552 INFO L354 Elim1Store]: treesize reduction 11, result has 21.4 percent of original size [2021-10-08 18:47:39,553 INFO L388 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 170 treesize of output 107 [2021-10-08 18:47:40,312 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 16 proven. 23 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-10-08 18:47:40,313 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1139513315] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 18:47:40,313 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 18:47:40,313 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 29] total 54 [2021-10-08 18:47:40,313 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948115362] [2021-10-08 18:47:40,314 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2021-10-08 18:47:40,314 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 18:47:40,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2021-10-08 18:47:40,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=166, Invalid=2696, Unknown=0, NotChecked=0, Total=2862 [2021-10-08 18:47:40,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:47:40,316 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-08 18:47:40,317 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 5.222222222222222) internal successors, (282), 54 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 18:47:40,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:47:40,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:47:40,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:47:40,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-08 18:47:40,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:47:40,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-08 18:47:40,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-08 18:47:40,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-08 18:47:40,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:47:40,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:47:40,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-08 18:47:40,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-10-08 18:47:40,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-08 18:47:40,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-08 18:47:40,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-10-08 18:47:40,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-10-08 18:47:40,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-10-08 18:47:40,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-10-08 18:47:40,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-10-08 18:47:40,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-10-08 18:47:40,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-10-08 18:47:40,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-10-08 18:47:40,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-10-08 18:47:40,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:47:46,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:47:46,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:47:46,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:47:46,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-08 18:47:46,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:47:46,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-08 18:47:46,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-08 18:47:46,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-08 18:47:46,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:47:46,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:47:46,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-08 18:47:46,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-10-08 18:47:46,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-08 18:47:46,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-08 18:47:46,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-08 18:47:46,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-08 18:47:46,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-10-08 18:47:46,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-08 18:47:46,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-08 18:47:46,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-10-08 18:47:46,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-10-08 18:47:46,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-08 18:47:46,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-10-08 18:47:46,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-10-08 18:47:46,390 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2021-10-08 18:47:46,562 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,18 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 18:47:46,562 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-08 18:47:46,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 18:47:46,563 INFO L82 PathProgramCache]: Analyzing trace with hash 53062996, now seen corresponding path program 2 times [2021-10-08 18:47:46,563 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 18:47:46,564 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665821247] [2021-10-08 18:47:46,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 18:47:46,564 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 18:47:46,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 18:47:47,385 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-10-08 18:47:47,386 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 18:47:47,386 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665821247] [2021-10-08 18:47:47,386 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [665821247] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 18:47:47,386 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [316432141] [2021-10-08 18:47:47,386 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-08 18:47:47,386 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 18:47:47,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 18:47:47,388 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 18:47:47,403 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2021-10-08 18:47:49,034 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-08 18:47:49,034 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 18:47:49,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 84 conjunts are in the unsatisfiable core [2021-10-08 18:47:49,043 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 18:47:50,127 INFO L354 Elim1Store]: treesize reduction 40, result has 23.1 percent of original size [2021-10-08 18:47:50,128 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 95 treesize of output 67 [2021-10-08 18:47:55,737 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-08 18:47:55,738 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 144 treesize of output 96 [2021-10-08 18:47:56,360 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-10-08 18:47:56,360 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [316432141] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 18:47:56,360 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 18:47:56,360 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 24] total 34 [2021-10-08 18:47:56,361 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71868601] [2021-10-08 18:47:56,361 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2021-10-08 18:47:56,361 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 18:47:56,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-10-08 18:47:56,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=1021, Unknown=0, NotChecked=0, Total=1122 [2021-10-08 18:47:56,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:47:56,363 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-08 18:47:56,363 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 7.5588235294117645) internal successors, (257), 34 states have internal predecessors, (257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 18:47:56,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:47:56,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:47:56,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:47:56,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-08 18:47:56,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:47:56,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-08 18:47:56,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-08 18:47:56,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-08 18:47:56,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:47:56,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:47:56,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-08 18:47:56,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-10-08 18:47:56,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-08 18:47:56,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-08 18:47:56,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-10-08 18:47:56,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-10-08 18:47:56,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-10-08 18:47:56,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-10-08 18:47:56,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-10-08 18:47:56,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-10-08 18:47:56,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-10-08 18:47:56,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-10-08 18:47:56,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-10-08 18:47:56,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-10-08 18:47:56,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:48:02,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:48:02,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:48:02,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:48:02,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-08 18:48:02,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:48:02,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-08 18:48:02,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-08 18:48:02,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-08 18:48:02,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:48:02,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:48:02,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-08 18:48:02,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-10-08 18:48:02,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-08 18:48:02,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-08 18:48:02,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-08 18:48:02,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-08 18:48:02,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-10-08 18:48:02,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-08 18:48:02,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-08 18:48:02,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-10-08 18:48:02,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-10-08 18:48:02,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-08 18:48:02,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-10-08 18:48:02,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-10-08 18:48:02,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-08 18:48:02,489 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2021-10-08 18:48:02,659 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,19 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 18:48:02,660 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-08 18:48:02,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 18:48:02,660 INFO L82 PathProgramCache]: Analyzing trace with hash -594069386, now seen corresponding path program 8 times [2021-10-08 18:48:02,661 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 18:48:02,661 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794701825] [2021-10-08 18:48:02,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 18:48:02,662 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 18:48:02,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 18:48:02,790 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 15 proven. 16 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-10-08 18:48:02,790 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 18:48:02,791 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794701825] [2021-10-08 18:48:02,791 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1794701825] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 18:48:02,791 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1371849198] [2021-10-08 18:48:02,791 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-08 18:48:02,791 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 18:48:02,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 18:48:02,792 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 18:48:02,822 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2021-10-08 18:48:04,671 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-08 18:48:04,671 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 18:48:04,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-08 18:48:04,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 18:48:04,964 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-10-08 18:48:04,964 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1371849198] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-08 18:48:04,964 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-08 18:48:04,964 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 8 [2021-10-08 18:48:04,965 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234105150] [2021-10-08 18:48:04,965 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-08 18:48:04,965 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 18:48:04,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-08 18:48:04,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2021-10-08 18:48:04,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:48:04,966 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-08 18:48:04,967 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.666666666666668) internal successors, (142), 6 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 18:48:04,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:48:04,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:48:04,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:48:04,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-08 18:48:04,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:48:04,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-08 18:48:04,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-08 18:48:04,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-08 18:48:04,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:48:04,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:48:04,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-08 18:48:04,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-10-08 18:48:04,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-08 18:48:04,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-08 18:48:04,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-10-08 18:48:04,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-10-08 18:48:04,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-10-08 18:48:04,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-10-08 18:48:04,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-10-08 18:48:04,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-10-08 18:48:04,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-10-08 18:48:04,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-10-08 18:48:04,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-10-08 18:48:04,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-10-08 18:48:04,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-10-08 18:48:04,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:48:05,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:48:05,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:48:05,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:48:05,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-08 18:48:05,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:48:05,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-08 18:48:05,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-08 18:48:05,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-08 18:48:05,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:48:05,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:48:05,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-08 18:48:05,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-10-08 18:48:05,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-08 18:48:05,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-08 18:48:05,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-08 18:48:05,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-08 18:48:05,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-10-08 18:48:05,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-08 18:48:05,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-08 18:48:05,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-10-08 18:48:05,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-10-08 18:48:05,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-08 18:48:05,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-10-08 18:48:05,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-10-08 18:48:05,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-08 18:48:05,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-08 18:48:05,831 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2021-10-08 18:48:06,008 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-10-08 18:48:06,008 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-08 18:48:06,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 18:48:06,009 INFO L82 PathProgramCache]: Analyzing trace with hash 830121818, now seen corresponding path program 9 times [2021-10-08 18:48:06,010 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 18:48:06,010 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861667523] [2021-10-08 18:48:06,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 18:48:06,011 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 18:48:06,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 18:48:06,169 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 15 proven. 17 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-10-08 18:48:06,169 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 18:48:06,169 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861667523] [2021-10-08 18:48:06,169 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861667523] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 18:48:06,169 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1935405111] [2021-10-08 18:48:06,170 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-08 18:48:06,170 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 18:48:06,170 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 18:48:06,173 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 18:48:06,193 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2021-10-08 18:48:08,226 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-10-08 18:48:08,227 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 18:48:08,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-08 18:48:08,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 18:48:08,533 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-10-08 18:48:08,534 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1935405111] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-08 18:48:08,534 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-08 18:48:08,534 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 8 [2021-10-08 18:48:08,534 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544375285] [2021-10-08 18:48:08,535 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-08 18:48:08,535 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 18:48:08,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-08 18:48:08,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2021-10-08 18:48:08,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:48:08,538 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-08 18:48:08,538 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 24.0) internal successors, (144), 6 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 18:48:08,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:48:08,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:48:08,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:48:08,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-08 18:48:08,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:48:08,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-08 18:48:08,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-08 18:48:08,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-08 18:48:08,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:48:08,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:48:08,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-08 18:48:08,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-10-08 18:48:08,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-08 18:48:08,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-08 18:48:08,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-10-08 18:48:08,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-10-08 18:48:08,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-10-08 18:48:08,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-10-08 18:48:08,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-10-08 18:48:08,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-10-08 18:48:08,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-10-08 18:48:08,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-10-08 18:48:08,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-10-08 18:48:08,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-10-08 18:48:08,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-10-08 18:48:08,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-08 18:48:08,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:48:08,567 WARN L313 ript$VariableManager]: TermVariabe v_~result_3~0_89 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:48:08,567 WARN L313 ript$VariableManager]: TermVariabe v_~break_6~0_100 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:48:08,575 WARN L313 ript$VariableManager]: TermVariabe v_~result_3~0_89 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:48:08,576 WARN L313 ript$VariableManager]: TermVariabe v_~break_6~0_100 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:48:08,951 WARN L313 ript$VariableManager]: TermVariabe v_~result_3~0_89 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:48:08,952 WARN L313 ript$VariableManager]: TermVariabe v_~break_6~0_100 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:48:08,960 WARN L313 ript$VariableManager]: TermVariabe v_~result_3~0_89 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:48:08,960 WARN L313 ript$VariableManager]: TermVariabe v_~break_6~0_100 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:48:08,985 WARN L313 ript$VariableManager]: TermVariabe v_~result_3~0_89 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:48:08,985 WARN L313 ript$VariableManager]: TermVariabe v_~break_6~0_100 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:48:09,113 WARN L313 ript$VariableManager]: TermVariabe v_~result_3~0_89 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:48:09,114 WARN L313 ript$VariableManager]: TermVariabe v_~break_6~0_100 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:48:09,122 WARN L313 ript$VariableManager]: TermVariabe v_~result_3~0_89 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:48:09,122 WARN L313 ript$VariableManager]: TermVariabe v_~break_6~0_100 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:48:10,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:48:10,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:48:10,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:48:10,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-08 18:48:10,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:48:10,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-08 18:48:10,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-08 18:48:10,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-08 18:48:10,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:48:10,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:48:10,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-08 18:48:10,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-10-08 18:48:10,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-08 18:48:10,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-08 18:48:10,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-08 18:48:10,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-10-08 18:48:10,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-10-08 18:48:10,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-10-08 18:48:10,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-08 18:48:10,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-10-08 18:48:10,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-10-08 18:48:10,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-10-08 18:48:10,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-10-08 18:48:10,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-10-08 18:48:10,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-10-08 18:48:10,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-08 18:48:10,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-08 18:48:10,023 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-08 18:48:10,023 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-08 18:48:10,023 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-08 18:48:10,061 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2021-10-08 18:48:10,237 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2021-10-08 18:48:10,249 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-08 18:48:10,249 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-08 18:48:10,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.10 06:48:10 BasicIcfg [2021-10-08 18:48:10,252 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-08 18:48:10,252 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-08 18:48:10,252 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-08 18:48:10,252 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-08 18:48:10,253 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 06:46:22" (3/4) ... [2021-10-08 18:48:10,256 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-08 18:48:10,263 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2021-10-08 18:48:10,263 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2021-10-08 18:48:10,270 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2021-10-08 18:48:10,271 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-08 18:48:10,271 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-08 18:48:10,271 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-08 18:48:10,323 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/weaver/chl-name-comparator-symm.wvr.c-witness.graphml [2021-10-08 18:48:10,323 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-08 18:48:10,325 INFO L168 Benchmark]: Toolchain (without parser) took 109854.73 ms. Allocated memory was 161.5 MB in the beginning and 723.5 MB in the end (delta: 562.0 MB). Free memory was 135.5 MB in the beginning and 134.4 MB in the end (delta: 1.1 MB). Peak memory consumption was 563.5 MB. Max. memory is 8.0 GB. [2021-10-08 18:48:10,325 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 161.5 MB. Free memory is still 131.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-08 18:48:10,325 INFO L168 Benchmark]: CACSL2BoogieTranslator took 346.05 ms. Allocated memory is still 161.5 MB. Free memory was 135.0 MB in the beginning and 123.3 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-10-08 18:48:10,326 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.24 ms. Allocated memory is still 161.5 MB. Free memory was 123.3 MB in the beginning and 120.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-10-08 18:48:10,326 INFO L168 Benchmark]: Boogie Preprocessor took 54.44 ms. Allocated memory is still 161.5 MB. Free memory was 120.8 MB in the beginning and 119.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-08 18:48:10,327 INFO L168 Benchmark]: RCFGBuilder took 1325.36 ms. Allocated memory is still 161.5 MB. Free memory was 119.0 MB in the beginning and 102.5 MB in the end (delta: 16.5 MB). Peak memory consumption was 17.2 MB. Max. memory is 8.0 GB. [2021-10-08 18:48:10,327 INFO L168 Benchmark]: TraceAbstraction took 107976.90 ms. Allocated memory was 161.5 MB in the beginning and 723.5 MB in the end (delta: 562.0 MB). Free memory was 101.9 MB in the beginning and 138.6 MB in the end (delta: -36.6 MB). Peak memory consumption was 525.4 MB. Max. memory is 8.0 GB. [2021-10-08 18:48:10,327 INFO L168 Benchmark]: Witness Printer took 71.45 ms. Allocated memory is still 723.5 MB. Free memory was 138.0 MB in the beginning and 134.4 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-10-08 18:48:10,330 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 161.5 MB. Free memory is still 131.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 346.05 ms. Allocated memory is still 161.5 MB. Free memory was 135.0 MB in the beginning and 123.3 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 57.24 ms. Allocated memory is still 161.5 MB. Free memory was 123.3 MB in the beginning and 120.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 54.44 ms. Allocated memory is still 161.5 MB. Free memory was 120.8 MB in the beginning and 119.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1325.36 ms. Allocated memory is still 161.5 MB. Free memory was 119.0 MB in the beginning and 102.5 MB in the end (delta: 16.5 MB). Peak memory consumption was 17.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 107976.90 ms. Allocated memory was 161.5 MB in the beginning and 723.5 MB in the end (delta: 562.0 MB). Free memory was 101.9 MB in the beginning and 138.6 MB in the end (delta: -36.6 MB). Peak memory consumption was 525.4 MB. Max. memory is 8.0 GB. * Witness Printer took 71.45 ms. Allocated memory is still 723.5 MB. Free memory was 138.0 MB in the beginning and 134.4 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4280, positive: 2900, positive conditional: 2211, positive unconditional: 689, negative: 1380, negative conditional: 1374, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2906, positive: 2900, positive conditional: 2211, positive unconditional: 689, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2906, positive: 2900, positive conditional: 2211, positive unconditional: 689, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2911, positive: 2900, positive conditional: 2152, positive unconditional: 748, negative: 11, negative conditional: 5, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2911, positive: 2900, positive conditional: 503, positive unconditional: 2397, negative: 11, negative conditional: 5, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2911, positive: 2900, positive conditional: 503, positive unconditional: 2397, negative: 11, negative conditional: 5, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 631, positive: 622, positive conditional: 7, positive unconditional: 615, negative: 9, negative conditional: 3, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 631, positive: 617, positive conditional: 0, positive unconditional: 617, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 14, positive: 5, positive conditional: 4, positive unconditional: 1, negative: 9, negative conditional: 3, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 140, positive: 43, positive conditional: 39, positive unconditional: 4, negative: 96, negative conditional: 24, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2911, positive: 2278, positive conditional: 496, positive unconditional: 1782, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 631, unknown conditional: 10, unknown unconditional: 621] , Statistics on independence cache: Total cache size (in pairs): 631, Positive cache size: 622, Positive conditional cache size: 7, Positive unconditional cache size: 615, Negative cache size: 9, Negative conditional cache size: 3, Negative unconditional cache size: 6, Eliminated conditions: 1649, Maximal queried relation: 1, Independence queries for same thread: 1374 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 155, Number of persistent set computation: 234, Number of trivial persistent sets: 149, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 695, positive: 689, positive conditional: 0, positive unconditional: 689, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4280, positive: 2900, positive conditional: 2211, positive unconditional: 689, negative: 1380, negative conditional: 1374, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2906, positive: 2900, positive conditional: 2211, positive unconditional: 689, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2906, positive: 2900, positive conditional: 2211, positive unconditional: 689, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2911, positive: 2900, positive conditional: 2152, positive unconditional: 748, negative: 11, negative conditional: 5, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2911, positive: 2900, positive conditional: 503, positive unconditional: 2397, negative: 11, negative conditional: 5, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2911, positive: 2900, positive conditional: 503, positive unconditional: 2397, negative: 11, negative conditional: 5, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 631, positive: 622, positive conditional: 7, positive unconditional: 615, negative: 9, negative conditional: 3, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 631, positive: 617, positive conditional: 0, positive unconditional: 617, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 14, positive: 5, positive conditional: 4, positive unconditional: 1, negative: 9, negative conditional: 3, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 140, positive: 43, positive conditional: 39, positive unconditional: 4, negative: 96, negative conditional: 24, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2911, positive: 2278, positive conditional: 496, positive unconditional: 1782, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 631, unknown conditional: 10, unknown unconditional: 621] , Statistics on independence cache: Total cache size (in pairs): 631, Positive cache size: 622, Positive conditional cache size: 7, Positive unconditional cache size: 615, Negative cache size: 9, Negative conditional cache size: 3, Negative unconditional cache size: 6, Eliminated conditions: 1649, Maximal queried relation: 1, Independence queries for same thread: 1374 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 125]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 169 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 107801.0ms, OverallIterations: 27, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 34.2ms, PartialOrderReductionTime: 41719.4ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 470, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 490.6ms SsaConstructionTime, 2553.6ms SatisfiabilityAnalysisTime, 43759.9ms InterpolantComputationTime, 6665 NumberOfCodeBlocks, 6644 NumberOfCodeBlocksAsserted, 67 NumberOfCheckSat, 6619 ConstructedInterpolants, 32 QuantifiedInterpolants, 49750 SizeOfPredicates, 412 NumberOfNonLiveVariables, 6327 ConjunctsInSsa, 744 ConjunctsInUnsatCore, 46 InterpolantComputations, 12 PerfectInterpolantSequences, 866/1313 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-10-08 18:48:10,381 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-10-08 18:48:10,614 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...