/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf -i ../sv-benchmarks/c/weaver/chl-node-trans.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-8c2bbc9 [2021-10-07 15:33:56,659 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-07 15:33:56,661 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-07 15:33:56,699 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-07 15:33:56,700 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-07 15:33:56,701 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-07 15:33:56,703 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-07 15:33:56,706 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-07 15:33:56,708 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-07 15:33:56,709 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-07 15:33:56,710 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-07 15:33:56,712 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-07 15:33:56,712 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-07 15:33:56,713 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-07 15:33:56,715 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-07 15:33:56,717 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-07 15:33:56,718 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-07 15:33:56,727 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-07 15:33:56,731 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-07 15:33:56,738 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-07 15:33:56,740 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-07 15:33:56,744 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-07 15:33:56,747 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-07 15:33:56,748 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-07 15:33:56,756 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-07 15:33:56,757 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-07 15:33:56,757 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-07 15:33:56,760 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-07 15:33:56,761 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-07 15:33:56,762 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-07 15:33:56,762 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-07 15:33:56,763 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-07 15:33:56,764 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-07 15:33:56,765 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-07 15:33:56,767 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-07 15:33:56,768 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-07 15:33:56,769 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-07 15:33:56,769 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-07 15:33:56,770 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-07 15:33:56,771 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-07 15:33:56,771 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-07 15:33:56,773 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-10-07 15:33:56,836 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-07 15:33:56,836 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-07 15:33:56,837 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-07 15:33:56,837 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-07 15:33:56,838 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-07 15:33:56,839 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-07 15:33:56,839 INFO L138 SettingsManager]: * Use SBE=true [2021-10-07 15:33:56,839 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-07 15:33:56,839 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-07 15:33:56,839 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-07 15:33:56,840 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-07 15:33:56,840 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-07 15:33:56,840 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-07 15:33:56,840 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-07 15:33:56,840 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-07 15:33:56,841 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-07 15:33:56,841 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-07 15:33:56,841 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-07 15:33:56,841 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-07 15:33:56,841 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-07 15:33:56,842 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-07 15:33:56,842 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-07 15:33:56,842 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-07 15:33:56,842 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-07 15:33:56,842 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-07 15:33:56,843 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-07 15:33:56,843 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-07 15:33:56,843 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-07 15:33:56,843 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-07 15:33:56,843 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-07 15:33:56,844 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-07 15:33:56,844 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-07 15:33:56,844 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-10-07 15:33:57,218 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-07 15:33:57,252 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-07 15:33:57,258 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-07 15:33:57,261 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-07 15:33:57,261 INFO L275 PluginConnector]: CDTParser initialized [2021-10-07 15:33:57,262 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/chl-node-trans.wvr.c [2021-10-07 15:33:57,343 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7ac8beaa6/815bbef5be9744589a5197785d29f2a1/FLAGf3aa16dcb [2021-10-07 15:33:57,958 INFO L306 CDTParser]: Found 1 translation units. [2021-10-07 15:33:57,959 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/chl-node-trans.wvr.c [2021-10-07 15:33:57,973 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7ac8beaa6/815bbef5be9744589a5197785d29f2a1/FLAGf3aa16dcb [2021-10-07 15:33:58,341 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7ac8beaa6/815bbef5be9744589a5197785d29f2a1 [2021-10-07 15:33:58,344 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-07 15:33:58,354 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-07 15:33:58,358 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-07 15:33:58,358 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-07 15:33:58,364 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-07 15:33:58,366 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:33:58" (1/1) ... [2021-10-07 15:33:58,367 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5438ea73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:33:58, skipping insertion in model container [2021-10-07 15:33:58,368 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:33:58" (1/1) ... [2021-10-07 15:33:58,377 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-07 15:33:58,423 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-07 15:33:58,681 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-node-trans.wvr.c[3913,3926] [2021-10-07 15:33:58,698 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-07 15:33:58,714 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-07 15:33:58,718 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-07 15:33:58,761 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-node-trans.wvr.c[3913,3926] [2021-10-07 15:33:58,776 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-07 15:33:58,788 INFO L203 MainTranslator]: Completed pre-run [2021-10-07 15:33:58,845 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-node-trans.wvr.c[3913,3926] [2021-10-07 15:33:58,850 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-07 15:33:58,872 INFO L208 MainTranslator]: Completed translation [2021-10-07 15:33:58,872 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:33:58 WrapperNode [2021-10-07 15:33:58,873 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-07 15:33:58,874 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-07 15:33:58,874 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-07 15:33:58,874 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-07 15:33:58,883 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:33:58" (1/1) ... [2021-10-07 15:33:58,899 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:33:58" (1/1) ... [2021-10-07 15:33:58,939 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-07 15:33:58,943 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-07 15:33:58,944 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-07 15:33:58,944 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-07 15:33:58,954 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:33:58" (1/1) ... [2021-10-07 15:33:58,954 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:33:58" (1/1) ... [2021-10-07 15:33:58,965 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:33:58" (1/1) ... [2021-10-07 15:33:58,966 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:33:58" (1/1) ... [2021-10-07 15:33:58,983 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:33:58" (1/1) ... [2021-10-07 15:33:58,990 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:33:58" (1/1) ... [2021-10-07 15:33:58,994 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:33:58" (1/1) ... [2021-10-07 15:33:59,002 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-07 15:33:59,003 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-07 15:33:59,004 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-07 15:33:59,004 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-07 15:33:59,005 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:33:58" (1/1) ... [2021-10-07 15:33:59,018 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-07 15:33:59,039 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-07 15:33:59,057 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) [2021-10-07 15:33:59,079 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 [2021-10-07 15:33:59,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-10-07 15:33:59,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-07 15:33:59,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-07 15:33:59,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-07 15:33:59,145 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-07 15:33:59,146 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-07 15:33:59,148 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-07 15:33:59,148 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-07 15:33:59,148 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-10-07 15:33:59,148 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-10-07 15:33:59,148 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-07 15:33:59,149 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-07 15:33:59,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-07 15:33:59,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-07 15:33:59,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-07 15:33:59,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-10-07 15:33:59,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-07 15:33:59,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-07 15:33:59,153 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-07 15:34:07,215 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-07 15:34:07,215 INFO L299 CfgBuilder]: Removed 48 assume(true) statements. [2021-10-07 15:34:07,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:34:07 BoogieIcfgContainer [2021-10-07 15:34:07,219 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-07 15:34:07,220 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-07 15:34:07,220 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-07 15:34:07,223 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-07 15:34:07,224 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:33:58" (1/3) ... [2021-10-07 15:34:07,224 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47e90347 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:34:07, skipping insertion in model container [2021-10-07 15:34:07,224 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:33:58" (2/3) ... [2021-10-07 15:34:07,225 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47e90347 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:34:07, skipping insertion in model container [2021-10-07 15:34:07,225 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:34:07" (3/3) ... [2021-10-07 15:34:07,227 INFO L111 eAbstractionObserver]: Analyzing ICFG chl-node-trans.wvr.c [2021-10-07 15:34:07,234 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-07 15:34:07,234 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 62 error locations. [2021-10-07 15:34:07,234 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-07 15:34:07,284 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,285 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,285 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,285 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,286 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,286 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,286 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,286 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,286 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,287 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,287 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,287 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,287 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,288 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,288 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,288 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,288 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,288 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,289 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,289 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,289 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,289 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,289 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,290 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,290 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,290 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,290 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,290 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,291 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,291 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,291 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,291 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,292 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,292 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,292 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,292 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,292 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,292 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,293 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,293 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,293 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,293 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,293 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,293 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,294 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,294 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,294 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,294 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,294 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,294 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,295 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,295 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,295 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,295 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,295 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,295 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,296 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,296 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,296 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,296 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,296 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,296 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,297 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,297 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,297 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,297 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,297 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,297 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,298 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,298 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,298 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,298 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,298 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,298 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,299 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,299 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,299 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,299 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,299 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,300 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,300 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,300 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,300 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,300 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,301 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,301 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,301 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,302 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,302 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,302 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,302 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,302 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,302 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,303 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,303 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,303 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,304 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,305 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,305 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,305 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,306 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,306 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,306 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,306 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,307 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,307 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,307 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,307 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,308 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,308 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,308 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,308 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,309 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,309 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,309 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,309 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,309 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,310 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,310 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,310 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,310 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,310 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,310 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,311 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,311 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,311 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,311 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,311 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,312 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,312 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,312 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,312 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,312 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,313 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,313 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,313 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,313 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,313 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,313 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,314 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,314 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,314 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,314 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,314 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,314 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,314 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,315 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,315 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,315 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,315 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,315 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,315 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,315 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,316 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,316 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,316 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,316 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,316 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,316 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,316 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,317 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,317 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,317 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,317 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,317 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,317 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,318 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,318 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,318 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,318 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,318 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,318 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,318 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,319 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,319 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,319 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,319 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,319 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,319 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,320 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,320 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,320 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,320 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,320 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,320 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,320 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,321 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,322 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,322 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,322 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,322 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,322 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,322 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,323 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,323 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,323 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,323 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,323 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,323 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,323 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,325 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,325 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,325 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,325 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,326 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,326 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,327 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,327 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,327 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,327 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,328 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,328 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,328 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,328 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,329 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,329 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,329 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,329 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,329 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~short27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,330 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,330 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,330 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,330 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~short27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,330 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,331 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,331 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,331 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~short27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,331 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,332 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,332 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,332 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~short27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,332 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,332 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,333 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,333 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,333 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~short27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,333 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,333 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,333 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,334 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,334 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~short27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,334 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,334 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,334 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,334 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,335 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~short27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,335 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,335 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,335 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,335 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,335 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~short27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,336 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,336 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,336 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,336 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,336 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,336 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~short27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,336 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,337 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,337 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,337 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,337 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,337 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~short27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,337 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,338 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,338 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,338 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,338 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,338 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~short27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,338 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,338 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,339 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,339 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,339 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,339 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~short27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,339 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,339 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,339 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,340 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,340 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,340 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,340 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,340 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,340 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,340 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,341 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,341 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,341 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~short27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,342 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,342 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,342 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,342 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,342 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,343 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,343 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,343 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,343 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,343 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,343 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,343 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~short27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,344 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,345 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,345 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,345 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,348 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,349 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,349 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,349 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,349 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,349 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,349 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,350 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,350 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,350 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,350 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,350 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,353 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,353 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,353 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,353 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,353 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,354 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,354 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,354 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,354 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,354 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,355 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,355 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~short7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,356 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,357 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,357 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,357 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,357 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,357 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,358 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,358 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,358 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~short27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,358 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,358 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,358 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:34:07,365 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-10-07 15:34:07,418 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-07 15:34:07,426 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=false, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, 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 [2021-10-07 15:34:07,426 INFO L340 AbstractCegarLoop]: Starting to check reachability of 101 error locations. [2021-10-07 15:34:07,450 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-10-07 15:34:07,464 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 351 places, 366 transitions, 756 flow [2021-10-07 15:34:07,467 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 351 places, 366 transitions, 756 flow [2021-10-07 15:34:07,469 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 351 places, 366 transitions, 756 flow [2021-10-07 15:34:07,607 INFO L129 PetriNetUnfolder]: 25/363 cut-off events. [2021-10-07 15:34:07,607 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-10-07 15:34:07,617 INFO L84 FinitePrefix]: Finished finitePrefix Result has 376 conditions, 363 events. 25/363 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 417 event pairs, 0 based on Foata normal form. 0/276 useless extension candidates. Maximal degree in co-relation 314. Up to 2 conditions per place. [2021-10-07 15:34:07,623 INFO L116 LiptonReduction]: Number of co-enabled transitions 2970 [2021-10-07 15:35:32,092 INFO L131 LiptonReduction]: Checked pairs total: 4136 [2021-10-07 15:35:32,093 INFO L133 LiptonReduction]: Total number of compositions: 364 [2021-10-07 15:35:32,103 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 97 places, 93 transitions, 210 flow [2021-10-07 15:35:32,596 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 12681 states, 5347 states have (on average 8.141948756311951) internal successors, (43535), 12680 states have internal predecessors, (43535), 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) [2021-10-07 15:35:32,653 INFO L276 IsEmpty]: Start isEmpty. Operand has 12681 states, 5347 states have (on average 8.141948756311951) internal successors, (43535), 12680 states have internal predecessors, (43535), 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) [2021-10-07 15:35:32,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-10-07 15:35:32,660 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:35:32,661 INFO L512 BasicCegarLoop]: trace histogram [1, 1] [2021-10-07 15:35:32,662 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 97 more)] === [2021-10-07 15:35:32,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:35:32,670 INFO L82 PathProgramCache]: Analyzing trace with hash 51813, now seen corresponding path program 1 times [2021-10-07 15:35:32,684 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-07 15:35:32,684 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1386020397] [2021-10-07 15:35:32,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:35:32,685 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-07 15:35:32,686 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-07 15:35:32,690 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-07 15:35:32,766 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-07 15:35:32,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:35:32,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-07 15:35:32,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 15:35:33,138 INFO L354 Elim1Store]: treesize reduction 84, result has 22.9 percent of original size [2021-10-07 15:35:33,139 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 3 case distinctions, treesize of input 15 treesize of output 30 [2021-10-07 15:35:33,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:35:33,202 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-07 15:35:33,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:35:33,209 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-07 15:35:33,210 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1386020397] [2021-10-07 15:35:33,210 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1386020397] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-07 15:35:33,210 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-07 15:35:33,211 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1, 1] imperfect sequences [] total 1 [2021-10-07 15:35:33,213 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303094794] [2021-10-07 15:35:33,218 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-07 15:35:33,219 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-07 15:35:33,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-07 15:35:33,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-07 15:35:33,265 INFO L87 Difference]: Start difference. First operand has 12681 states, 5347 states have (on average 8.141948756311951) internal successors, (43535), 12680 states have internal predecessors, (43535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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) [2021-10-07 15:35:34,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 15:35:34,407 INFO L93 Difference]: Finished difference Result 4901 states and 16219 transitions. [2021-10-07 15:35:34,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-07 15:35:34,409 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 2 [2021-10-07 15:35:34,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 15:35:34,485 INFO L225 Difference]: With dead ends: 4901 [2021-10-07 15:35:34,486 INFO L226 Difference]: Without dead ends: 4901 [2021-10-07 15:35:34,487 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 17.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-07 15:35:34,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4901 states. [2021-10-07 15:35:34,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4901 to 4901. [2021-10-07 15:35:34,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4901 states, 2343 states have (on average 6.922321809645753) internal successors, (16219), 4900 states have internal predecessors, (16219), 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) [2021-10-07 15:35:34,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4901 states to 4901 states and 16219 transitions. [2021-10-07 15:35:34,885 INFO L78 Accepts]: Start accepts. Automaton has 4901 states and 16219 transitions. Word has length 2 [2021-10-07 15:35:34,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 15:35:34,885 INFO L470 AbstractCegarLoop]: Abstraction has 4901 states and 16219 transitions. [2021-10-07 15:35:34,886 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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) [2021-10-07 15:35:34,886 INFO L276 IsEmpty]: Start isEmpty. Operand 4901 states and 16219 transitions. [2021-10-07 15:35:34,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-10-07 15:35:34,886 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:35:34,886 INFO L512 BasicCegarLoop]: trace histogram [1, 1] [2021-10-07 15:35:34,905 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-07 15:35:35,102 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-07 15:35:35,103 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 97 more)] === [2021-10-07 15:35:35,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:35:35,105 INFO L82 PathProgramCache]: Analyzing trace with hash 51814, now seen corresponding path program 1 times [2021-10-07 15:35:35,106 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-07 15:35:35,106 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [881841204] [2021-10-07 15:35:35,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:35:35,107 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-07 15:35:35,107 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-07 15:35:35,108 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-07 15:35:35,112 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-07 15:35:35,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:35:35,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-07 15:35:35,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 15:35:35,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-07 15:35:35,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-07 15:35:35,558 INFO L354 Elim1Store]: treesize reduction 229, result has 22.6 percent of original size [2021-10-07 15:35:35,559 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 23 treesize of output 74 [2021-10-07 15:35:35,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:35:35,717 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-07 15:35:35,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:35:35,845 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-07 15:35:35,845 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [881841204] [2021-10-07 15:35:35,845 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [881841204] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-07 15:35:35,846 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-07 15:35:35,846 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1, 1] imperfect sequences [] total 2 [2021-10-07 15:35:35,847 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236581384] [2021-10-07 15:35:35,849 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-07 15:35:35,849 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-07 15:35:35,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-07 15:35:35,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-07 15:35:35,851 INFO L87 Difference]: Start difference. First operand 4901 states and 16219 transitions. Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) [2021-10-07 15:35:37,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 15:35:37,633 INFO L93 Difference]: Finished difference Result 4907 states and 16231 transitions. [2021-10-07 15:35:37,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-07 15:35:37,635 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 2 [2021-10-07 15:35:37,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 15:35:37,689 INFO L225 Difference]: With dead ends: 4907 [2021-10-07 15:35:37,689 INFO L226 Difference]: Without dead ends: 4907 [2021-10-07 15:35:37,691 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 85.8ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-07 15:35:37,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4907 states. [2021-10-07 15:35:37,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4907 to 4907. [2021-10-07 15:35:37,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4907 states, 2349 states have (on average 6.909748829289059) internal successors, (16231), 4906 states have internal predecessors, (16231), 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) [2021-10-07 15:35:38,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4907 states to 4907 states and 16231 transitions. [2021-10-07 15:35:38,042 INFO L78 Accepts]: Start accepts. Automaton has 4907 states and 16231 transitions. Word has length 2 [2021-10-07 15:35:38,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 15:35:38,043 INFO L470 AbstractCegarLoop]: Abstraction has 4907 states and 16231 transitions. [2021-10-07 15:35:38,044 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) [2021-10-07 15:35:38,044 INFO L276 IsEmpty]: Start isEmpty. Operand 4907 states and 16231 transitions. [2021-10-07 15:35:38,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-07 15:35:38,045 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:35:38,045 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1] [2021-10-07 15:35:38,061 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-07 15:35:38,258 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-07 15:35:38,260 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 97 more)] === [2021-10-07 15:35:38,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:35:38,262 INFO L82 PathProgramCache]: Analyzing trace with hash 49975206, now seen corresponding path program 1 times [2021-10-07 15:35:38,263 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-07 15:35:38,264 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1069439662] [2021-10-07 15:35:38,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:35:38,264 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-07 15:35:38,264 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-07 15:35:38,268 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-07 15:35:38,304 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-07 15:35:38,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:35:38,368 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-07 15:35:38,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 15:35:38,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-07 15:35:38,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-07 15:35:38,734 INFO L354 Elim1Store]: treesize reduction 229, result has 22.6 percent of original size [2021-10-07 15:35:38,734 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 23 treesize of output 74 [2021-10-07 15:35:38,957 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:35:38,958 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-07 15:35:39,775 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:35:39,776 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-07 15:35:39,776 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1069439662] [2021-10-07 15:35:39,777 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1069439662] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-07 15:35:39,777 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-07 15:35:39,777 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 6 [2021-10-07 15:35:39,777 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759199610] [2021-10-07 15:35:39,778 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-07 15:35:39,778 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-07 15:35:39,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-07 15:35:39,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-07 15:35:39,784 INFO L87 Difference]: Start difference. First operand 4907 states and 16231 transitions. Second operand has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 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) [2021-10-07 15:35:48,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 15:35:48,405 INFO L93 Difference]: Finished difference Result 4922 states and 16259 transitions. [2021-10-07 15:35:48,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-07 15:35:48,407 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2021-10-07 15:35:48,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 15:35:48,458 INFO L225 Difference]: With dead ends: 4922 [2021-10-07 15:35:48,458 INFO L226 Difference]: Without dead ends: 4922 [2021-10-07 15:35:48,459 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1038.9ms TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2021-10-07 15:35:48,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4922 states. [2021-10-07 15:35:48,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4922 to 4919. [2021-10-07 15:35:48,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4919 states, 2361 states have (on average 6.884794578568403) internal successors, (16255), 4918 states have internal predecessors, (16255), 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) [2021-10-07 15:35:48,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4919 states to 4919 states and 16255 transitions. [2021-10-07 15:35:48,689 INFO L78 Accepts]: Start accepts. Automaton has 4919 states and 16255 transitions. Word has length 4 [2021-10-07 15:35:48,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 15:35:48,690 INFO L470 AbstractCegarLoop]: Abstraction has 4919 states and 16255 transitions. [2021-10-07 15:35:48,690 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 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) [2021-10-07 15:35:48,690 INFO L276 IsEmpty]: Start isEmpty. Operand 4919 states and 16255 transitions. [2021-10-07 15:35:48,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-07 15:35:48,691 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:35:48,691 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-10-07 15:35:48,704 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-07 15:35:48,903 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-07 15:35:48,905 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 97 more)] === [2021-10-07 15:35:48,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:35:48,907 INFO L82 PathProgramCache]: Analyzing trace with hash 1551571671, now seen corresponding path program 1 times [2021-10-07 15:35:48,908 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-07 15:35:48,908 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1821707242] [2021-10-07 15:35:48,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:35:48,909 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-07 15:35:48,909 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-07 15:35:48,910 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-07 15:35:48,913 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-07 15:35:48,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:35:48,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-07 15:35:48,999 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 15:35:49,016 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 [2021-10-07 15:35:49,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:35:49,025 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-07 15:35:49,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:35:49,038 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-07 15:35:49,039 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1821707242] [2021-10-07 15:35:49,039 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1821707242] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-07 15:35:49,039 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-07 15:35:49,039 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-07 15:35:49,040 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225663267] [2021-10-07 15:35:49,040 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-07 15:35:49,040 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-07 15:35:49,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-07 15:35:49,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-07 15:35:49,041 INFO L87 Difference]: Start difference. First operand 4919 states and 16255 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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) [2021-10-07 15:35:49,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 15:35:49,908 INFO L93 Difference]: Finished difference Result 4916 states and 16252 transitions. [2021-10-07 15:35:49,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-07 15:35:49,908 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2021-10-07 15:35:49,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 15:35:49,948 INFO L225 Difference]: With dead ends: 4916 [2021-10-07 15:35:49,949 INFO L226 Difference]: Without dead ends: 4916 [2021-10-07 15:35:49,949 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-07 15:35:49,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4916 states. [2021-10-07 15:35:50,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4916 to 4916. [2021-10-07 15:35:50,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4916 states, 2361 states have (on average 6.8835239305379075) internal successors, (16252), 4915 states have internal predecessors, (16252), 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) [2021-10-07 15:35:50,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4916 states to 4916 states and 16252 transitions. [2021-10-07 15:35:50,320 INFO L78 Accepts]: Start accepts. Automaton has 4916 states and 16252 transitions. Word has length 5 [2021-10-07 15:35:50,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 15:35:50,324 INFO L470 AbstractCegarLoop]: Abstraction has 4916 states and 16252 transitions. [2021-10-07 15:35:50,324 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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) [2021-10-07 15:35:50,325 INFO L276 IsEmpty]: Start isEmpty. Operand 4916 states and 16252 transitions. [2021-10-07 15:35:50,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-07 15:35:50,325 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:35:50,325 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-10-07 15:35:50,348 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-10-07 15:35:50,548 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-07 15:35:50,549 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 97 more)] === [2021-10-07 15:35:50,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:35:50,550 INFO L82 PathProgramCache]: Analyzing trace with hash 1551571672, now seen corresponding path program 1 times [2021-10-07 15:35:50,550 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-07 15:35:50,551 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [928802858] [2021-10-07 15:35:50,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:35:50,551 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-07 15:35:50,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-07 15:35:50,552 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-07 15:35:50,558 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-07 15:35:50,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:35:50,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 13 conjunts are in the unsatisfiable core [2021-10-07 15:35:50,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 15:35:50,775 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 [2021-10-07 15:35:50,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:35:50,811 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-07 15:35:51,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:35:51,025 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-07 15:35:51,025 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [928802858] [2021-10-07 15:35:51,025 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [928802858] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-07 15:35:51,025 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-07 15:35:51,026 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 4 [2021-10-07 15:35:51,026 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402292637] [2021-10-07 15:35:51,026 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-07 15:35:51,027 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-07 15:35:51,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-07 15:35:51,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-07 15:35:51,028 INFO L87 Difference]: Start difference. First operand 4916 states and 16252 transitions. Second operand has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 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) [2021-10-07 15:35:52,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 15:35:52,600 INFO L93 Difference]: Finished difference Result 4920 states and 16262 transitions. [2021-10-07 15:35:52,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-07 15:35:52,602 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2021-10-07 15:35:52,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 15:35:52,636 INFO L225 Difference]: With dead ends: 4920 [2021-10-07 15:35:52,637 INFO L226 Difference]: Without dead ends: 4920 [2021-10-07 15:35:52,637 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 220.8ms TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-10-07 15:35:52,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4920 states. [2021-10-07 15:35:52,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4920 to 4920. [2021-10-07 15:35:52,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4920 states, 2365 states have (on average 6.876109936575053) internal successors, (16262), 4919 states have internal predecessors, (16262), 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) [2021-10-07 15:35:52,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4920 states to 4920 states and 16262 transitions. [2021-10-07 15:35:52,859 INFO L78 Accepts]: Start accepts. Automaton has 4920 states and 16262 transitions. Word has length 5 [2021-10-07 15:35:52,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 15:35:52,860 INFO L470 AbstractCegarLoop]: Abstraction has 4920 states and 16262 transitions. [2021-10-07 15:35:52,860 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 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) [2021-10-07 15:35:52,860 INFO L276 IsEmpty]: Start isEmpty. Operand 4920 states and 16262 transitions. [2021-10-07 15:35:52,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-07 15:35:52,861 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:35:52,861 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2021-10-07 15:35:52,874 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2021-10-07 15:35:53,074 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-07 15:35:53,074 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 97 more)] === [2021-10-07 15:35:53,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:35:53,076 INFO L82 PathProgramCache]: Analyzing trace with hash 707014840, now seen corresponding path program 1 times [2021-10-07 15:35:53,076 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-07 15:35:53,077 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1061931634] [2021-10-07 15:35:53,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:35:53,077 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-07 15:35:53,078 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-07 15:35:53,078 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-07 15:35:53,086 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-07 15:35:53,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:35:53,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 16 conjunts are in the unsatisfiable core [2021-10-07 15:35:53,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 15:35:53,249 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 [2021-10-07 15:35:53,370 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:35:53,370 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-07 15:35:54,065 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:35:54,065 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-07 15:35:54,065 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1061931634] [2021-10-07 15:35:54,068 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1061931634] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-07 15:35:54,068 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-07 15:35:54,068 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 8 [2021-10-07 15:35:54,068 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077823381] [2021-10-07 15:35:54,069 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-07 15:35:54,069 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-07 15:35:54,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-07 15:35:54,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-10-07 15:35:54,070 INFO L87 Difference]: Start difference. First operand 4920 states and 16262 transitions. Second operand has 9 states, 8 states have (on average 1.75) internal successors, (14), 9 states have internal predecessors, (14), 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) [2021-10-07 15:36:06,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 15:36:06,955 INFO L93 Difference]: Finished difference Result 14697 states and 48670 transitions. [2021-10-07 15:36:06,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-07 15:36:06,957 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 1.75) internal successors, (14), 9 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2021-10-07 15:36:06,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 15:36:07,134 INFO L225 Difference]: With dead ends: 14697 [2021-10-07 15:36:07,134 INFO L226 Difference]: Without dead ends: 14697 [2021-10-07 15:36:07,135 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1154.4ms TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2021-10-07 15:36:07,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14697 states. [2021-10-07 15:36:07,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14697 to 4927. [2021-10-07 15:36:07,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4927 states, 2372 states have (on average 6.863406408094435) internal successors, (16280), 4926 states have internal predecessors, (16280), 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) [2021-10-07 15:36:07,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4927 states to 4927 states and 16280 transitions. [2021-10-07 15:36:07,544 INFO L78 Accepts]: Start accepts. Automaton has 4927 states and 16280 transitions. Word has length 7 [2021-10-07 15:36:07,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 15:36:07,544 INFO L470 AbstractCegarLoop]: Abstraction has 4927 states and 16280 transitions. [2021-10-07 15:36:07,544 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 1.75) internal successors, (14), 9 states have internal predecessors, (14), 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) [2021-10-07 15:36:07,544 INFO L276 IsEmpty]: Start isEmpty. Operand 4927 states and 16280 transitions. [2021-10-07 15:36:07,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-07 15:36:07,548 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:36:07,549 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-07 15:36:07,561 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-07 15:36:07,749 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-07 15:36:07,750 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr12REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 97 more)] === [2021-10-07 15:36:07,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:36:07,751 INFO L82 PathProgramCache]: Analyzing trace with hash 707113256, now seen corresponding path program 1 times [2021-10-07 15:36:07,752 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-07 15:36:07,753 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [560974296] [2021-10-07 15:36:07,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:36:07,753 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-07 15:36:07,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-07 15:36:07,755 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-07 15:36:07,758 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-07 15:36:08,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:36:08,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 15 conjunts are in the unsatisfiable core [2021-10-07 15:36:08,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 15:36:08,164 INFO L354 Elim1Store]: treesize reduction 92, result has 21.4 percent of original size [2021-10-07 15:36:08,165 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 56 [2021-10-07 15:36:08,437 INFO L354 Elim1Store]: treesize reduction 92, result has 26.4 percent of original size [2021-10-07 15:36:08,438 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 58 treesize of output 81 [2021-10-07 15:36:08,740 INFO L354 Elim1Store]: treesize reduction 92, result has 26.4 percent of original size [2021-10-07 15:36:08,741 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 59 treesize of output 82 [2021-10-07 15:36:09,126 INFO L354 Elim1Store]: treesize reduction 92, result has 26.4 percent of original size [2021-10-07 15:36:09,127 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 61 treesize of output 84 [2021-10-07 15:36:09,454 INFO L354 Elim1Store]: treesize reduction 92, result has 26.4 percent of original size [2021-10-07 15:36:09,454 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 62 treesize of output 85 [2021-10-07 15:36:10,541 INFO L354 Elim1Store]: treesize reduction 135, result has 23.3 percent of original size [2021-10-07 15:36:10,542 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 15 case distinctions, treesize of input 102 treesize of output 131 [2021-10-07 15:36:12,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:36:12,085 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-07 15:36:12,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:36:12,371 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-07 15:36:12,371 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [560974296] [2021-10-07 15:36:12,372 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [560974296] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-07 15:36:12,372 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-07 15:36:12,372 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 4 [2021-10-07 15:36:12,372 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685022529] [2021-10-07 15:36:12,373 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-07 15:36:12,373 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-07 15:36:12,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-07 15:36:12,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-07 15:36:12,374 INFO L87 Difference]: Start difference. First operand 4927 states and 16280 transitions. Second operand has 6 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 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) [2021-10-07 15:36:13,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 15:36:13,984 INFO L93 Difference]: Finished difference Result 3926 states and 12576 transitions. [2021-10-07 15:36:13,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-07 15:36:13,985 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2021-10-07 15:36:13,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 15:36:14,006 INFO L225 Difference]: With dead ends: 3926 [2021-10-07 15:36:14,006 INFO L226 Difference]: Without dead ends: 3926 [2021-10-07 15:36:14,007 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 8 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2310.1ms TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-07 15:36:14,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3926 states. [2021-10-07 15:36:14,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3926 to 3926. [2021-10-07 15:36:14,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3926 states, 2101 states have (on average 5.985721085197525) internal successors, (12576), 3925 states have internal predecessors, (12576), 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) [2021-10-07 15:36:14,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3926 states to 3926 states and 12576 transitions. [2021-10-07 15:36:14,130 INFO L78 Accepts]: Start accepts. Automaton has 3926 states and 12576 transitions. Word has length 7 [2021-10-07 15:36:14,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 15:36:14,130 INFO L470 AbstractCegarLoop]: Abstraction has 3926 states and 12576 transitions. [2021-10-07 15:36:14,130 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 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) [2021-10-07 15:36:14,130 INFO L276 IsEmpty]: Start isEmpty. Operand 3926 states and 12576 transitions. [2021-10-07 15:36:14,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-07 15:36:14,131 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:36:14,131 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-07 15:36:14,148 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-07 15:36:14,344 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-07 15:36:14,344 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr13REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 97 more)] === [2021-10-07 15:36:14,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:36:14,345 INFO L82 PathProgramCache]: Analyzing trace with hash 707113258, now seen corresponding path program 1 times [2021-10-07 15:36:14,345 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-07 15:36:14,346 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1343967645] [2021-10-07 15:36:14,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:36:14,346 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-07 15:36:14,346 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-07 15:36:14,347 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-07 15:36:14,351 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-07 15:36:14,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:36:14,773 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 23 conjunts are in the unsatisfiable core [2021-10-07 15:36:14,774 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 15:36:15,216 INFO L354 Elim1Store]: treesize reduction 233, result has 21.3 percent of original size [2021-10-07 15:36:15,217 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 51 treesize of output 97 [2021-10-07 15:36:15,231 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-10-07 15:36:15,231 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 100 treesize of output 96 [2021-10-07 15:36:17,059 INFO L354 Elim1Store]: treesize reduction 84, result has 36.8 percent of original size [2021-10-07 15:36:17,060 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 63 treesize of output 102 [2021-10-07 15:36:17,070 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 100 treesize of output 99 [2021-10-07 15:36:25,762 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-07 15:36:25,762 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1343967645] [2021-10-07 15:36:25,763 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Alternating quantifiers not yet supported [2021-10-07 15:36:25,763 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [863711485] [2021-10-07 15:36:25,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:36:25,764 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-07 15:36:25,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/cvc4 [2021-10-07 15:36:25,767 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-07 15:36:25,774 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2021-10-07 15:36:26,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:36:26,163 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 17 conjunts are in the unsatisfiable core [2021-10-07 15:36:26,164 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 15:36:26,467 INFO L354 Elim1Store]: treesize reduction 233, result has 21.3 percent of original size [2021-10-07 15:36:26,468 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 51 treesize of output 97 [2021-10-07 15:36:26,481 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-10-07 15:36:26,482 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 100 treesize of output 96 [2021-10-07 15:36:28,088 INFO L354 Elim1Store]: treesize reduction 84, result has 36.8 percent of original size [2021-10-07 15:36:28,089 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 57 treesize of output 96 [2021-10-07 15:36:40,233 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Alternating quantifiers not yet supported [2021-10-07 15:36:40,233 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1515662785] [2021-10-07 15:36:40,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:36:40,233 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-07 15:36:40,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-07 15:36:40,235 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) [2021-10-07 15:36:40,236 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 [2021-10-07 15:36:40,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:36:40,470 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 21 conjunts are in the unsatisfiable core [2021-10-07 15:36:40,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 15:36:40,813 INFO L354 Elim1Store]: treesize reduction 241, result has 18.6 percent of original size [2021-10-07 15:36:40,814 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 81 treesize of output 119 [2021-10-07 15:36:40,894 INFO L354 Elim1Store]: treesize reduction 108, result has 18.8 percent of original size [2021-10-07 15:36:40,895 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 8 case distinctions, treesize of input 125 treesize of output 133 [2021-10-07 15:36:41,435 INFO L354 Elim1Store]: treesize reduction 112, result has 15.8 percent of original size [2021-10-07 15:36:41,435 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 104 treesize of output 115 [2021-10-07 15:36:41,540 INFO L354 Elim1Store]: treesize reduction 108, result has 31.2 percent of original size [2021-10-07 15:36:41,541 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 103 treesize of output 140 [2021-10-07 15:36:42,416 INFO L354 Elim1Store]: treesize reduction 160, result has 14.0 percent of original size [2021-10-07 15:36:42,417 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 15 case distinctions, treesize of input 161 treesize of output 175 [2021-10-07 15:36:42,590 INFO L354 Elim1Store]: treesize reduction 155, result has 28.2 percent of original size [2021-10-07 15:36:42,591 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 20 case distinctions, treesize of input 160 treesize of output 207 [2021-10-07 15:36:44,455 INFO L354 Elim1Store]: treesize reduction 204, result has 13.2 percent of original size [2021-10-07 15:36:44,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 21 case distinctions, treesize of input 220 treesize of output 237 [2021-10-07 15:36:44,698 INFO L354 Elim1Store]: treesize reduction 210, result has 25.8 percent of original size [2021-10-07 15:36:44,699 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 27 case distinctions, treesize of input 214 treesize of output 271 [2021-10-07 15:36:48,258 INFO L354 Elim1Store]: treesize reduction 204, result has 13.2 percent of original size [2021-10-07 15:36:48,258 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 21 case distinctions, treesize of input 295 treesize of output 312 [2021-10-07 15:36:48,566 INFO L354 Elim1Store]: treesize reduction 273, result has 23.7 percent of original size [2021-10-07 15:36:48,567 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 35 case distinctions, treesize of input 289 treesize of output 356 [2021-10-07 15:36:55,668 INFO L354 Elim1Store]: treesize reduction 204, result has 13.2 percent of original size [2021-10-07 15:36:55,669 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 21 case distinctions, treesize of input 370 treesize of output 387 [2021-10-07 15:36:56,109 INFO L354 Elim1Store]: treesize reduction 256, result has 11.4 percent of original size [2021-10-07 15:36:56,110 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 364 treesize of output 378 [2021-10-07 15:37:01,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:37:01,505 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-07 15:37:34,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:37:34,396 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1515662785] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-07 15:37:34,396 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-07 15:37:34,396 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 12 [2021-10-07 15:37:34,397 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567383923] [2021-10-07 15:37:34,397 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-10-07 15:37:34,397 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-07 15:37:34,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-10-07 15:37:34,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=170, Unknown=15, NotChecked=0, Total=272 [2021-10-07 15:37:34,398 INFO L87 Difference]: Start difference. First operand 3926 states and 12576 transitions. Second operand has 14 states, 13 states have (on average 1.0769230769230769) internal successors, (14), 13 states have internal predecessors, (14), 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) [2021-10-07 15:37:50,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 15:37:50,958 INFO L93 Difference]: Finished difference Result 2925 states and 8872 transitions. [2021-10-07 15:37:50,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-07 15:37:50,960 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.0769230769230769) internal successors, (14), 13 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2021-10-07 15:37:50,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 15:37:50,973 INFO L225 Difference]: With dead ends: 2925 [2021-10-07 15:37:50,973 INFO L226 Difference]: Without dead ends: 2925 [2021-10-07 15:37:50,974 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 37694.4ms TimeCoverageRelationStatistics Valid=87, Invalid=170, Unknown=15, NotChecked=0, Total=272 [2021-10-07 15:37:50,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2925 states. [2021-10-07 15:37:51,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2925 to 2925. [2021-10-07 15:37:51,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2925 states, 1830 states have (on average 4.8480874316939895) internal successors, (8872), 2924 states have internal predecessors, (8872), 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) [2021-10-07 15:37:51,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2925 states to 2925 states and 8872 transitions. [2021-10-07 15:37:51,051 INFO L78 Accepts]: Start accepts. Automaton has 2925 states and 8872 transitions. Word has length 7 [2021-10-07 15:37:51,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 15:37:51,052 INFO L470 AbstractCegarLoop]: Abstraction has 2925 states and 8872 transitions. [2021-10-07 15:37:51,052 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.0769230769230769) internal successors, (14), 13 states have internal predecessors, (14), 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) [2021-10-07 15:37:51,052 INFO L276 IsEmpty]: Start isEmpty. Operand 2925 states and 8872 transitions. [2021-10-07 15:37:51,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-07 15:37:51,053 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:37:51,053 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2021-10-07 15:37:51,099 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 [2021-10-07 15:37:51,273 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2021-10-07 15:37:51,480 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-10-07 15:37:51,669 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,10 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt,9 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-07 15:37:51,670 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 97 more)] === [2021-10-07 15:37:51,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:37:51,671 INFO L82 PathProgramCache]: Analyzing trace with hash 445606846, now seen corresponding path program 1 times [2021-10-07 15:37:51,672 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-07 15:37:51,673 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [198993840] [2021-10-07 15:37:51,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:37:51,673 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-07 15:37:51,673 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-07 15:37:51,674 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-07 15:37:51,675 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-10-07 15:37:51,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:37:51,838 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 16 conjunts are in the unsatisfiable core [2021-10-07 15:37:51,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 15:37:51,878 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 [2021-10-07 15:37:51,979 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:37:51,979 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-07 15:37:52,492 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:37:52,492 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-07 15:37:52,493 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [198993840] [2021-10-07 15:37:52,493 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [198993840] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-07 15:37:52,493 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-07 15:37:52,493 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 8 [2021-10-07 15:37:52,493 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364341320] [2021-10-07 15:37:52,494 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-07 15:37:52,494 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-07 15:37:52,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-07 15:37:52,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-10-07 15:37:52,495 INFO L87 Difference]: Start difference. First operand 2925 states and 8872 transitions. Second operand has 9 states, 8 states have (on average 1.875) internal successors, (15), 9 states have internal predecessors, (15), 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) [2021-10-07 15:38:06,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 15:38:06,377 INFO L93 Difference]: Finished difference Result 8695 states and 26470 transitions. [2021-10-07 15:38:06,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-07 15:38:06,379 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 1.875) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-10-07 15:38:06,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 15:38:06,407 INFO L225 Difference]: With dead ends: 8695 [2021-10-07 15:38:06,408 INFO L226 Difference]: Without dead ends: 8695 [2021-10-07 15:38:06,408 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 1224.6ms TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2021-10-07 15:38:06,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8695 states. [2021-10-07 15:38:06,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8695 to 2929. [2021-10-07 15:38:06,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2929 states, 1834 states have (on average 4.841875681570338) internal successors, (8880), 2928 states have internal predecessors, (8880), 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) [2021-10-07 15:38:06,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2929 states to 2929 states and 8880 transitions. [2021-10-07 15:38:06,538 INFO L78 Accepts]: Start accepts. Automaton has 2929 states and 8880 transitions. Word has length 8 [2021-10-07 15:38:06,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 15:38:06,538 INFO L470 AbstractCegarLoop]: Abstraction has 2929 states and 8880 transitions. [2021-10-07 15:38:06,538 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 1.875) internal successors, (15), 9 states have internal predecessors, (15), 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) [2021-10-07 15:38:06,538 INFO L276 IsEmpty]: Start isEmpty. Operand 2929 states and 8880 transitions. [2021-10-07 15:38:06,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-07 15:38:06,540 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:38:06,540 INFO L512 BasicCegarLoop]: trace histogram [6, 1, 1] [2021-10-07 15:38:06,552 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-10-07 15:38:06,748 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-07 15:38:06,752 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 97 more)] === [2021-10-07 15:38:06,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:38:06,752 INFO L82 PathProgramCache]: Analyzing trace with hash -391304666, now seen corresponding path program 2 times [2021-10-07 15:38:06,753 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-07 15:38:06,753 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [263637875] [2021-10-07 15:38:06,753 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-07 15:38:06,754 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-07 15:38:06,754 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-07 15:38:06,755 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-07 15:38:06,756 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-10-07 15:38:06,944 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-07 15:38:06,945 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-07 15:38:06,950 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 15 conjunts are in the unsatisfiable core [2021-10-07 15:38:06,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 15:38:07,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-07 15:38:07,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-07 15:38:07,335 INFO L354 Elim1Store]: treesize reduction 229, result has 22.6 percent of original size [2021-10-07 15:38:07,335 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 23 treesize of output 74 [2021-10-07 15:38:07,658 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:38:07,658 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-07 15:38:09,246 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:38:09,246 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-07 15:38:09,246 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [263637875] [2021-10-07 15:38:09,246 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [263637875] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-07 15:38:09,246 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-07 15:38:09,247 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2021-10-07 15:38:09,247 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449303014] [2021-10-07 15:38:09,247 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-10-07 15:38:09,247 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-07 15:38:09,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-10-07 15:38:09,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2021-10-07 15:38:09,249 INFO L87 Difference]: Start difference. First operand 2929 states and 8880 transitions. Second operand has 16 states, 15 states have (on average 1.0666666666666667) internal successors, (16), 15 states have internal predecessors, (16), 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) [2021-10-07 15:38:48,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 15:38:48,737 INFO L93 Difference]: Finished difference Result 2955 states and 8930 transitions. [2021-10-07 15:38:48,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-07 15:38:48,738 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.0666666666666667) internal successors, (16), 15 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-10-07 15:38:48,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 15:38:48,748 INFO L225 Difference]: With dead ends: 2955 [2021-10-07 15:38:48,748 INFO L226 Difference]: Without dead ends: 2955 [2021-10-07 15:38:48,749 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 7032.0ms TimeCoverageRelationStatistics Valid=207, Invalid=345, Unknown=0, NotChecked=0, Total=552 [2021-10-07 15:38:48,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2955 states. [2021-10-07 15:38:48,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2955 to 2946. [2021-10-07 15:38:48,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2946 states, 1851 states have (on average 4.816315505132361) internal successors, (8915), 2945 states have internal predecessors, (8915), 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) [2021-10-07 15:38:48,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2946 states to 2946 states and 8915 transitions. [2021-10-07 15:38:48,831 INFO L78 Accepts]: Start accepts. Automaton has 2946 states and 8915 transitions. Word has length 8 [2021-10-07 15:38:48,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 15:38:48,831 INFO L470 AbstractCegarLoop]: Abstraction has 2946 states and 8915 transitions. [2021-10-07 15:38:48,831 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 1.0666666666666667) internal successors, (16), 15 states have internal predecessors, (16), 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) [2021-10-07 15:38:48,831 INFO L276 IsEmpty]: Start isEmpty. Operand 2946 states and 8915 transitions. [2021-10-07 15:38:48,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-07 15:38:48,832 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:38:48,832 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-07 15:38:48,849 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Ended with exit code 0 [2021-10-07 15:38:49,044 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-07 15:38:49,045 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err5REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 97 more)] === [2021-10-07 15:38:49,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:38:49,046 INFO L82 PathProgramCache]: Analyzing trace with hash 931046430, now seen corresponding path program 1 times [2021-10-07 15:38:49,046 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-07 15:38:49,047 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1032213410] [2021-10-07 15:38:49,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:38:49,047 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-07 15:38:49,048 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-07 15:38:49,048 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-07 15:38:49,049 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-10-07 15:38:49,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:38:49,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-07 15:38:49,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 15:38:49,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:38:49,437 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-07 15:38:49,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:38:49,690 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-07 15:38:49,690 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1032213410] [2021-10-07 15:38:49,691 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1032213410] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-07 15:38:49,691 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-07 15:38:49,691 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 4 [2021-10-07 15:38:49,691 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741029365] [2021-10-07 15:38:49,691 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-07 15:38:49,691 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-07 15:38:49,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-07 15:38:49,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-07 15:38:49,692 INFO L87 Difference]: Start difference. First operand 2946 states and 8915 transitions. Second operand has 6 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 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) [2021-10-07 15:38:50,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 15:38:50,670 INFO L93 Difference]: Finished difference Result 3639 states and 10684 transitions. [2021-10-07 15:38:50,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-07 15:38:50,672 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-10-07 15:38:50,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 15:38:50,686 INFO L225 Difference]: With dead ends: 3639 [2021-10-07 15:38:50,686 INFO L226 Difference]: Without dead ends: 3639 [2021-10-07 15:38:50,686 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 205.1ms TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-10-07 15:38:50,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3639 states. [2021-10-07 15:38:50,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3639 to 3176. [2021-10-07 15:38:50,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3176 states, 2081 states have (on average 4.649687650168189) internal successors, (9676), 3175 states have internal predecessors, (9676), 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) [2021-10-07 15:38:50,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3176 states to 3176 states and 9676 transitions. [2021-10-07 15:38:50,779 INFO L78 Accepts]: Start accepts. Automaton has 3176 states and 9676 transitions. Word has length 9 [2021-10-07 15:38:50,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 15:38:50,780 INFO L470 AbstractCegarLoop]: Abstraction has 3176 states and 9676 transitions. [2021-10-07 15:38:50,781 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 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) [2021-10-07 15:38:50,781 INFO L276 IsEmpty]: Start isEmpty. Operand 3176 states and 9676 transitions. [2021-10-07 15:38:50,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-07 15:38:50,782 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:38:50,782 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-07 15:38:50,795 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Ended with exit code 0 [2021-10-07 15:38:50,995 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-07 15:38:50,996 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr14REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 97 more)] === [2021-10-07 15:38:50,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:38:50,997 INFO L82 PathProgramCache]: Analyzing trace with hash 931046777, now seen corresponding path program 1 times [2021-10-07 15:38:50,997 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-07 15:38:50,998 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1950226703] [2021-10-07 15:38:50,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:38:50,998 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-07 15:38:50,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-07 15:38:51,000 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-07 15:38:51,010 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-10-07 15:38:51,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:38:51,298 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 15 conjunts are in the unsatisfiable core [2021-10-07 15:38:51,299 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 15:38:51,368 INFO L354 Elim1Store]: treesize reduction 84, result has 22.9 percent of original size [2021-10-07 15:38:51,369 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 36 treesize of output 48 [2021-10-07 15:38:51,499 INFO L354 Elim1Store]: treesize reduction 30, result has 36.2 percent of original size [2021-10-07 15:38:51,499 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 29 treesize of output 40 [2021-10-07 15:38:51,605 INFO L354 Elim1Store]: treesize reduction 42, result has 33.3 percent of original size [2021-10-07 15:38:51,606 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 40 treesize of output 53 [2021-10-07 15:38:51,775 INFO L354 Elim1Store]: treesize reduction 57, result has 30.5 percent of original size [2021-10-07 15:38:51,776 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 69 treesize of output 86 [2021-10-07 15:38:52,022 INFO L354 Elim1Store]: treesize reduction 57, result has 30.5 percent of original size [2021-10-07 15:38:52,022 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 67 treesize of output 84 [2021-10-07 15:38:52,600 INFO L354 Elim1Store]: treesize reduction 92, result has 26.4 percent of original size [2021-10-07 15:38:52,600 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 99 treesize of output 122 [2021-10-07 15:38:53,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:38:53,965 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-07 15:38:54,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:38:54,279 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-07 15:38:54,279 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1950226703] [2021-10-07 15:38:54,279 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1950226703] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-07 15:38:54,280 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-07 15:38:54,280 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 7 [2021-10-07 15:38:54,280 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384494642] [2021-10-07 15:38:54,280 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-07 15:38:54,280 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-07 15:38:54,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-07 15:38:54,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=37, Unknown=0, NotChecked=0, Total=72 [2021-10-07 15:38:54,282 INFO L87 Difference]: Start difference. First operand 3176 states and 9676 transitions. Second operand has 9 states, 8 states have (on average 2.25) internal successors, (18), 8 states have internal predecessors, (18), 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) [2021-10-07 15:38:55,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 15:38:55,729 INFO L93 Difference]: Finished difference Result 3065 states and 9372 transitions. [2021-10-07 15:38:55,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-07 15:38:55,730 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.25) internal successors, (18), 8 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-10-07 15:38:55,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 15:38:55,745 INFO L225 Difference]: With dead ends: 3065 [2021-10-07 15:38:55,745 INFO L226 Difference]: Without dead ends: 3065 [2021-10-07 15:38:55,746 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 5 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1214.7ms TimeCoverageRelationStatistics Valid=35, Invalid=37, Unknown=0, NotChecked=0, Total=72 [2021-10-07 15:38:55,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3065 states. [2021-10-07 15:38:55,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3065 to 3065. [2021-10-07 15:38:55,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3065 states, 2060 states have (on average 4.549514563106796) internal successors, (9372), 3064 states have internal predecessors, (9372), 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) [2021-10-07 15:38:55,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3065 states to 3065 states and 9372 transitions. [2021-10-07 15:38:55,837 INFO L78 Accepts]: Start accepts. Automaton has 3065 states and 9372 transitions. Word has length 9 [2021-10-07 15:38:55,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 15:38:55,838 INFO L470 AbstractCegarLoop]: Abstraction has 3065 states and 9372 transitions. [2021-10-07 15:38:55,838 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.25) internal successors, (18), 8 states have internal predecessors, (18), 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) [2021-10-07 15:38:55,838 INFO L276 IsEmpty]: Start isEmpty. Operand 3065 states and 9372 transitions. [2021-10-07 15:38:55,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-07 15:38:55,841 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:38:55,842 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-07 15:38:55,863 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2021-10-07 15:38:56,055 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-07 15:38:56,055 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err0REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 97 more)] === [2021-10-07 15:38:56,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:38:56,056 INFO L82 PathProgramCache]: Analyzing trace with hash 931046425, now seen corresponding path program 1 times [2021-10-07 15:38:56,057 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-07 15:38:56,057 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1529373366] [2021-10-07 15:38:56,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:38:56,058 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-07 15:38:56,058 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-07 15:38:56,059 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-07 15:38:56,094 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-10-07 15:38:56,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:38:56,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-07 15:38:56,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 15:38:56,449 INFO L354 Elim1Store]: treesize reduction 84, result has 22.9 percent of original size [2021-10-07 15:38:56,449 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 3 case distinctions, treesize of input 15 treesize of output 30 [2021-10-07 15:38:56,499 INFO L354 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2021-10-07 15:38:56,499 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 23 treesize of output 30 [2021-10-07 15:38:56,574 INFO L354 Elim1Store]: treesize reduction 38, result has 39.7 percent of original size [2021-10-07 15:38:56,574 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 61 [2021-10-07 15:38:57,341 INFO L354 Elim1Store]: treesize reduction 69, result has 34.9 percent of original size [2021-10-07 15:38:57,342 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 80 treesize of output 107 [2021-10-07 15:38:57,765 INFO L354 Elim1Store]: treesize reduction 108, result has 31.2 percent of original size [2021-10-07 15:38:57,765 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 135 treesize of output 172 [2021-10-07 15:38:58,470 INFO L354 Elim1Store]: treesize reduction 135, result has 23.3 percent of original size [2021-10-07 15:38:58,470 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 15 case distinctions, treesize of input 187 treesize of output 216 [2021-10-07 15:39:02,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:39:02,159 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-07 15:39:18,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:39:18,769 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-07 15:39:18,769 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1529373366] [2021-10-07 15:39:18,769 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1529373366] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-07 15:39:18,769 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-07 15:39:18,769 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 10 [2021-10-07 15:39:18,769 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558913835] [2021-10-07 15:39:18,770 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-10-07 15:39:18,770 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-07 15:39:18,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-10-07 15:39:18,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=74, Unknown=8, NotChecked=0, Total=132 [2021-10-07 15:39:18,771 INFO L87 Difference]: Start difference. First operand 3065 states and 9372 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 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) [2021-10-07 15:39:20,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 15:39:20,372 INFO L93 Difference]: Finished difference Result 2546 states and 7583 transitions. [2021-10-07 15:39:20,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-07 15:39:20,373 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-10-07 15:39:20,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 15:39:20,379 INFO L225 Difference]: With dead ends: 2546 [2021-10-07 15:39:20,379 INFO L226 Difference]: Without dead ends: 2546 [2021-10-07 15:39:20,379 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 19417.6ms TimeCoverageRelationStatistics Valid=98, Invalid=134, Unknown=8, NotChecked=0, Total=240 [2021-10-07 15:39:20,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2546 states. [2021-10-07 15:39:20,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2546 to 2546. [2021-10-07 15:39:20,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2546 states, 1724 states have (on average 4.398491879350348) internal successors, (7583), 2545 states have internal predecessors, (7583), 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) [2021-10-07 15:39:20,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2546 states to 2546 states and 7583 transitions. [2021-10-07 15:39:20,441 INFO L78 Accepts]: Start accepts. Automaton has 2546 states and 7583 transitions. Word has length 9 [2021-10-07 15:39:20,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 15:39:20,441 INFO L470 AbstractCegarLoop]: Abstraction has 2546 states and 7583 transitions. [2021-10-07 15:39:20,441 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 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) [2021-10-07 15:39:20,441 INFO L276 IsEmpty]: Start isEmpty. Operand 2546 states and 7583 transitions. [2021-10-07 15:39:20,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-07 15:39:20,442 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:39:20,442 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-07 15:39:20,465 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2021-10-07 15:39:20,655 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-07 15:39:20,655 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr15REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 97 more)] === [2021-10-07 15:39:20,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:39:20,656 INFO L82 PathProgramCache]: Analyzing trace with hash 931046778, now seen corresponding path program 1 times [2021-10-07 15:39:20,656 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-07 15:39:20,657 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1893089877] [2021-10-07 15:39:20,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:39:20,657 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-07 15:39:20,657 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-07 15:39:20,658 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-07 15:39:20,691 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-10-07 15:39:21,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:39:21,038 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 16 conjunts are in the unsatisfiable core [2021-10-07 15:39:21,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 15:39:21,469 INFO L354 Elim1Store]: treesize reduction 233, result has 21.3 percent of original size [2021-10-07 15:39:21,470 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 42 treesize of output 88 [2021-10-07 15:39:21,477 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 88 [2021-10-07 15:39:22,743 INFO L354 Elim1Store]: treesize reduction 84, result has 36.8 percent of original size [2021-10-07 15:39:22,744 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 53 treesize of output 92 [2021-10-07 15:39:35,607 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-07 15:39:35,607 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1893089877] [2021-10-07 15:39:35,607 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Alternating quantifiers not yet supported [2021-10-07 15:39:35,607 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1675424502] [2021-10-07 15:39:35,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:39:35,608 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-07 15:39:35,608 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/cvc4 [2021-10-07 15:39:35,610 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-07 15:39:35,611 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2021-10-07 15:39:36,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:39:36,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 16 conjunts are in the unsatisfiable core [2021-10-07 15:39:36,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 15:39:36,599 INFO L354 Elim1Store]: treesize reduction 233, result has 21.3 percent of original size [2021-10-07 15:39:36,599 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 42 treesize of output 88 [2021-10-07 15:39:36,605 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 88 [2021-10-07 15:39:38,036 INFO L354 Elim1Store]: treesize reduction 84, result has 36.8 percent of original size [2021-10-07 15:39:38,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 53 treesize of output 92 [2021-10-07 15:39:45,448 INFO L354 Elim1Store]: treesize reduction 84, result has 36.8 percent of original size [2021-10-07 15:39:45,448 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 53 treesize of output 92 [2021-10-07 15:39:51,830 INFO L354 Elim1Store]: treesize reduction 76, result has 39.2 percent of original size [2021-10-07 15:39:51,830 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 51 treesize of output 90 [2021-10-07 15:40:08,885 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Alternating quantifiers not yet supported [2021-10-07 15:40:08,886 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1187786522] [2021-10-07 15:40:08,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:40:08,886 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-07 15:40:08,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-07 15:40:08,888 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) [2021-10-07 15:40:08,888 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 [2021-10-07 15:40:09,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:40:09,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 23 conjunts are in the unsatisfiable core [2021-10-07 15:40:09,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 15:40:09,548 INFO L354 Elim1Store]: treesize reduction 241, result has 18.6 percent of original size [2021-10-07 15:40:09,549 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 72 treesize of output 110 [2021-10-07 15:40:09,639 INFO L354 Elim1Store]: treesize reduction 92, result has 21.4 percent of original size [2021-10-07 15:40:09,639 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 115 treesize of output 125 [2021-10-07 15:40:10,199 INFO L354 Elim1Store]: treesize reduction 112, result has 15.8 percent of original size [2021-10-07 15:40:10,200 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 101 treesize of output 112 [2021-10-07 15:40:10,317 INFO L354 Elim1Store]: treesize reduction 108, result has 31.2 percent of original size [2021-10-07 15:40:10,318 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 100 treesize of output 137 [2021-10-07 15:40:12,657 INFO L354 Elim1Store]: treesize reduction 160, result has 14.0 percent of original size [2021-10-07 15:40:12,658 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 15 case distinctions, treesize of input 158 treesize of output 172 [2021-10-07 15:40:12,868 INFO L354 Elim1Store]: treesize reduction 155, result has 28.2 percent of original size [2021-10-07 15:40:12,869 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 20 case distinctions, treesize of input 157 treesize of output 204 [2021-10-07 15:40:14,632 INFO L354 Elim1Store]: treesize reduction 204, result has 13.2 percent of original size [2021-10-07 15:40:14,632 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 21 case distinctions, treesize of input 210 treesize of output 227 [2021-10-07 15:40:14,881 INFO L354 Elim1Store]: treesize reduction 210, result has 25.8 percent of original size [2021-10-07 15:40:14,882 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 27 case distinctions, treesize of input 204 treesize of output 261 [2021-10-07 15:40:19,512 INFO L354 Elim1Store]: treesize reduction 204, result has 13.2 percent of original size [2021-10-07 15:40:19,513 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 21 case distinctions, treesize of input 279 treesize of output 296 [2021-10-07 15:40:19,825 INFO L354 Elim1Store]: treesize reduction 273, result has 23.7 percent of original size [2021-10-07 15:40:19,825 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 35 case distinctions, treesize of input 278 treesize of output 345 [2021-10-07 15:40:24,355 INFO L354 Elim1Store]: treesize reduction 266, result has 11.9 percent of original size [2021-10-07 15:40:24,355 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 28 case distinctions, treesize of input 382 treesize of output 400 [2021-10-07 15:40:24,574 INFO L354 Elim1Store]: treesize reduction 256, result has 11.4 percent of original size [2021-10-07 15:40:24,575 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 376 treesize of output 390 [2021-10-07 15:40:46,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:40:46,130 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-07 15:41:42,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:41:42,566 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1187786522] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-07 15:41:42,567 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-07 15:41:42,567 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 12 [2021-10-07 15:41:42,567 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614786622] [2021-10-07 15:41:42,568 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-10-07 15:41:42,568 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-07 15:41:42,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-10-07 15:41:42,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=170, Unknown=25, NotChecked=0, Total=272 [2021-10-07 15:41:42,569 INFO L87 Difference]: Start difference. First operand 2546 states and 7583 transitions. Second operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 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) [2021-10-07 15:42:03,726 WARN L228 Executor]: External (MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2021-10-07 15:42:03,726 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 101 [2021-10-07 15:42:03,750 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2021-10-07 15:42:03,952 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2021-10-07 15:42:04,175 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 [2021-10-07 15:42:04,348 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3,18 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt,19 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-07 15:42:04,349 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Connection to SMT solver broken at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.convertIOException(Executor.java:312) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.input(Executor.java:158) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.pop(Scriptor.java:139) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.pop(DiffWrapperScript.java:99) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.pop(WrapperScript.java:153) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.pop(HistoryRecordingScript.java:117) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.pop(ManagedScript.java:128) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.unAssertPrecondition(IncrementalHoareTripleChecker.java:345) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.clearAssertionStack(IncrementalHoareTripleChecker.java:269) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.releaseLock(IncrementalHoareTripleChecker.java:281) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.ProtectiveHoareTripleChecker.releaseLock(ProtectiveHoareTripleChecker.java:93) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.EfficientHoareTripleChecker.releaseLock(EfficientHoareTripleChecker.java:162) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.CachingHoareTripleChecker.releaseLock(CachingHoareTripleChecker.java:201) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.switchToReadonlyMode(AbstractInterpolantAutomaton.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.computeAutomataDifference(BasicCegarLoop.java:881) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.refineAbstraction(BasicCegarLoop.java:778) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.refineAbstractionInternal(AbstractCegarLoop.java:462) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:420) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:53) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:392) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:226) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: java.io.IOException: Stream closed at java.base/java.lang.ProcessBuilder$NullOutputStream.write(ProcessBuilder.java:442) at java.base/java.io.OutputStream.write(OutputStream.java:157) at java.base/java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:81) at java.base/java.io.BufferedOutputStream.flush(BufferedOutputStream.java:142) at java.base/sun.nio.cs.StreamEncoder.implFlush(StreamEncoder.java:318) at java.base/sun.nio.cs.StreamEncoder.flush(StreamEncoder.java:153) at java.base/java.io.OutputStreamWriter.flush(OutputStreamWriter.java:251) at java.base/java.io.BufferedWriter.flush(BufferedWriter.java:257) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.input(Executor.java:156) ... 35 more [2021-10-07 15:42:04,354 INFO L168 Benchmark]: Toolchain (without parser) took 486007.33 ms. Allocated memory was 151.0 MB in the beginning and 381.7 MB in the end (delta: 230.7 MB). Free memory was 125.8 MB in the beginning and 260.7 MB in the end (delta: -134.9 MB). Peak memory consumption was 95.8 MB. Max. memory is 8.0 GB. [2021-10-07 15:42:04,354 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 151.0 MB. Free memory is still 122.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-07 15:42:04,354 INFO L168 Benchmark]: CACSL2BoogieTranslator took 515.07 ms. Allocated memory is still 151.0 MB. Free memory was 125.5 MB in the beginning and 110.5 MB in the end (delta: 15.0 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. [2021-10-07 15:42:04,355 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.68 ms. Allocated memory is still 151.0 MB. Free memory was 110.3 MB in the beginning and 107.9 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-07 15:42:04,355 INFO L168 Benchmark]: Boogie Preprocessor took 59.03 ms. Allocated memory is still 151.0 MB. Free memory was 107.9 MB in the beginning and 105.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-10-07 15:42:04,356 INFO L168 Benchmark]: RCFGBuilder took 8215.42 ms. Allocated memory was 151.0 MB in the beginning and 181.4 MB in the end (delta: 30.4 MB). Free memory was 105.4 MB in the beginning and 118.4 MB in the end (delta: -13.0 MB). Peak memory consumption was 61.1 MB. Max. memory is 8.0 GB. [2021-10-07 15:42:04,356 INFO L168 Benchmark]: TraceAbstraction took 477132.62 ms. Allocated memory was 181.4 MB in the beginning and 381.7 MB in the end (delta: 200.3 MB). Free memory was 117.9 MB in the beginning and 260.7 MB in the end (delta: -142.8 MB). Peak memory consumption was 56.7 MB. Max. memory is 8.0 GB. [2021-10-07 15:42:04,358 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 151.0 MB. Free memory is still 122.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 515.07 ms. Allocated memory is still 151.0 MB. Free memory was 125.5 MB in the beginning and 110.5 MB in the end (delta: 15.0 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 65.68 ms. Allocated memory is still 151.0 MB. Free memory was 110.3 MB in the beginning and 107.9 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 59.03 ms. Allocated memory is still 151.0 MB. Free memory was 107.9 MB in the beginning and 105.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 8215.42 ms. Allocated memory was 151.0 MB in the beginning and 181.4 MB in the end (delta: 30.4 MB). Free memory was 105.4 MB in the beginning and 118.4 MB in the end (delta: -13.0 MB). Peak memory consumption was 61.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 477132.62 ms. Allocated memory was 181.4 MB in the beginning and 381.7 MB in the end (delta: 200.3 MB). Free memory was 117.9 MB in the beginning and 260.7 MB in the end (delta: -142.8 MB). Peak memory consumption was 56.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 84626.2ms, 351 PlacesBefore, 97 PlacesAfterwards, 366 TransitionsBefore, 93 TransitionsAfterwards, 2970 CoEnabledTransitionPairs, 8 FixpointIterations, 251 TrivialSequentialCompositions, 36 ConcurrentSequentialCompositions, 58 TrivialYvCompositions, 0 ConcurrentYvCompositions, 19 ChoiceCompositions, 364 TotalNumberOfCompositions, 4136 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3419, positive: 3371, positive conditional: 0, positive unconditional: 3371, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 957, positive: 944, positive conditional: 0, positive unconditional: 944, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 957, positive: 944, positive conditional: 0, positive unconditional: 944, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 13, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2803, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2803, negative conditional: 0, negative unconditional: 2803, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3419, positive: 2427, positive conditional: 0, positive unconditional: 2427, negative: 35, negative conditional: 0, negative unconditional: 35, unknown: 957, unknown conditional: 0, unknown unconditional: 957] , Statistics on independence cache: Total cache size (in pairs): 260, Positive cache size: 256, Positive conditional cache size: 0, Positive unconditional cache size: 256, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4 - ExceptionOrErrorResult: SMTLIBException: External (MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Connection to SMT solver broken de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Connection to SMT solver broken: de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.convertIOException(Executor.java:312) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...