/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/loop-tiling-eq.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-8c2bbc9 [2021-10-08 17:06:02,300 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-08 17:06:02,309 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-08 17:06:02,354 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-10-08 17:06:02,366 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-08 17:06:02,368 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-08 17:06:02,369 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-08 17:06:02,371 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-08 17:06:02,372 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-08 17:06:02,373 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-08 17:06:02,375 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-08 17:06:02,378 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-08 17:06:02,380 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-08 17:06:02,381 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-08 17:06:02,383 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-08 17:06:02,384 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-08 17:06:02,388 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-10-08 17:06:02,392 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-08 17:06:02,392 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-08 17:06:02,393 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-08 17:06:02,394 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-08 17:06:02,396 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-08 17:06:02,396 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-08 17:06:02,397 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-08 17:06:02,397 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-08 17:06:02,398 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-08 17:06:02,399 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-08 17:06:02,399 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-08 17:06:02,401 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-10-08 17:06:02,432 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-08 17:06:02,432 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-08 17:06:02,434 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-08 17:06:02,434 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-08 17:06:02,435 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-08 17:06:02,436 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-08 17:06:02,437 INFO L138 SettingsManager]: * Use SBE=true [2021-10-08 17:06:02,437 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-08 17:06:02,437 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-08 17:06:02,438 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-08 17:06:02,438 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-08 17:06:02,438 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-08 17:06:02,438 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-08 17:06:02,438 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-08 17:06:02,439 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-08 17:06:02,439 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-08 17:06:02,439 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-08 17:06:02,439 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-08 17:06:02,439 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-08 17:06:02,439 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-08 17:06:02,440 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-08 17:06:02,440 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-08 17:06:02,440 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-08 17:06:02,440 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-08 17:06:02,440 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-08 17:06:02,441 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-08 17:06:02,442 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-08 17:06:02,442 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-08 17:06:02,442 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-08 17:06:02,443 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-08 17:06:02,443 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-08 17:06:02,443 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-08 17:06:02,443 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-10-08 17:06:02,851 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-08 17:06:02,882 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-08 17:06:02,885 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-08 17:06:02,887 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-08 17:06:02,888 INFO L275 PluginConnector]: CDTParser initialized [2021-10-08 17:06:02,889 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/loop-tiling-eq.wvr.c [2021-10-08 17:06:02,958 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/75f01f535/5676319653144e37840f3012d4c18c30/FLAGb94dd49b1 [2021-10-08 17:06:03,638 INFO L306 CDTParser]: Found 1 translation units. [2021-10-08 17:06:03,639 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/loop-tiling-eq.wvr.c [2021-10-08 17:06:03,649 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/75f01f535/5676319653144e37840f3012d4c18c30/FLAGb94dd49b1 [2021-10-08 17:06:03,995 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/75f01f535/5676319653144e37840f3012d4c18c30 [2021-10-08 17:06:03,997 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-08 17:06:04,009 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-08 17:06:04,010 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-08 17:06:04,011 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-08 17:06:04,017 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-08 17:06:04,018 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.10 05:06:03" (1/1) ... [2021-10-08 17:06:04,019 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b547c27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 05:06:04, skipping insertion in model container [2021-10-08 17:06:04,019 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.10 05:06:03" (1/1) ... [2021-10-08 17:06:04,027 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-08 17:06:04,048 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-08 17:06:04,238 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/loop-tiling-eq.wvr.c[2550,2563] [2021-10-08 17:06:04,248 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-08 17:06:04,264 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-08 17:06:04,270 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-08 17:06:04,289 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/loop-tiling-eq.wvr.c[2550,2563] [2021-10-08 17:06:04,294 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-08 17:06:04,303 INFO L203 MainTranslator]: Completed pre-run [2021-10-08 17:06:04,369 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/loop-tiling-eq.wvr.c[2550,2563] [2021-10-08 17:06:04,378 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-08 17:06:04,403 INFO L208 MainTranslator]: Completed translation [2021-10-08 17:06:04,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 05:06:04 WrapperNode [2021-10-08 17:06:04,403 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-08 17:06:04,405 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-08 17:06:04,405 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-08 17:06:04,405 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-08 17:06:04,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 05:06:04" (1/1) ... [2021-10-08 17:06:04,425 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 05:06:04" (1/1) ... [2021-10-08 17:06:04,458 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-08 17:06:04,459 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-08 17:06:04,459 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-08 17:06:04,460 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-08 17:06:04,472 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 05:06:04" (1/1) ... [2021-10-08 17:06:04,472 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 05:06:04" (1/1) ... [2021-10-08 17:06:04,478 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 05:06:04" (1/1) ... [2021-10-08 17:06:04,479 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 05:06:04" (1/1) ... [2021-10-08 17:06:04,494 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 05:06:04" (1/1) ... [2021-10-08 17:06:04,502 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 05:06:04" (1/1) ... [2021-10-08 17:06:04,505 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 05:06:04" (1/1) ... [2021-10-08 17:06:04,511 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-08 17:06:04,512 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-08 17:06:04,512 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-08 17:06:04,512 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-08 17:06:04,513 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 05:06:04" (1/1) ... [2021-10-08 17:06:04,522 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-08 17:06:04,546 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 17:06:04,561 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-08 17:06:04,585 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-08 17:06:04,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-08 17:06:04,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-08 17:06:04,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-08 17:06:04,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-08 17:06:04,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-08 17:06:04,628 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-08 17:06:04,628 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-08 17:06:04,628 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-08 17:06:04,628 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-08 17:06:04,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-08 17:06:04,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-08 17:06:04,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-08 17:06:04,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-08 17:06:04,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-08 17:06:04,631 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-08 17:06:05,872 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-08 17:06:05,873 INFO L299 CfgBuilder]: Removed 39 assume(true) statements. [2021-10-08 17:06:05,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 05:06:05 BoogieIcfgContainer [2021-10-08 17:06:05,876 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-08 17:06:05,877 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-08 17:06:05,878 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-08 17:06:05,881 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-08 17:06:05,881 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.10 05:06:03" (1/3) ... [2021-10-08 17:06:05,882 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27109507 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.10 05:06:05, skipping insertion in model container [2021-10-08 17:06:05,882 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 05:06:04" (2/3) ... [2021-10-08 17:06:05,883 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27109507 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.10 05:06:05, skipping insertion in model container [2021-10-08 17:06:05,883 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 05:06:05" (3/3) ... [2021-10-08 17:06:05,885 INFO L111 eAbstractionObserver]: Analyzing ICFG loop-tiling-eq.wvr.c [2021-10-08 17:06:05,890 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-08 17:06:05,891 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 34 error locations. [2021-10-08 17:06:05,891 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-08 17:06:05,933 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,933 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,934 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,934 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,934 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,935 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,935 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,935 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,935 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,936 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,936 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,936 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,936 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,937 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,937 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,939 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,939 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,939 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,940 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,940 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,940 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,941 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,941 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,941 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,941 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,942 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,942 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,942 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,942 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,942 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,943 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,943 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,943 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,943 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,946 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,946 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,946 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,946 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,946 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,947 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,947 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,947 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,947 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,947 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,948 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,948 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,948 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,948 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,948 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,948 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,949 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,951 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,951 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,951 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,951 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,952 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,952 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,952 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,952 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,952 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,953 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,953 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,953 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,953 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,954 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,954 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,954 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,954 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,955 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,955 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,955 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,955 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,956 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,956 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,956 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,956 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,957 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,957 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,957 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,957 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,958 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,958 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,958 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,958 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,959 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,959 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,959 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,959 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,960 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,960 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,960 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,960 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,960 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,961 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,961 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,961 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,961 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,961 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,962 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,962 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,962 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,962 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,963 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,963 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,963 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,963 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,963 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,964 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,964 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,964 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,967 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,968 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,968 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,968 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,968 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,973 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,973 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,973 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,974 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,974 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,974 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,974 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,974 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,975 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 17:06:05,981 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-10-08 17:06:06,032 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-08 17:06:06,040 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 [2021-10-08 17:06:06,041 INFO L340 AbstractCegarLoop]: Starting to check reachability of 46 error locations. [2021-10-08 17:06:06,062 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-10-08 17:06:06,075 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 250 places, 268 transitions, 552 flow [2021-10-08 17:06:06,079 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 250 places, 268 transitions, 552 flow [2021-10-08 17:06:06,081 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 250 places, 268 transitions, 552 flow [2021-10-08 17:06:06,231 INFO L129 PetriNetUnfolder]: 25/266 cut-off events. [2021-10-08 17:06:06,232 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-10-08 17:06:06,239 INFO L84 FinitePrefix]: Finished finitePrefix Result has 275 conditions, 266 events. 25/266 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 438 event pairs, 0 based on Foata normal form. 0/207 useless extension candidates. Maximal degree in co-relation 188. Up to 2 conditions per place. [2021-10-08 17:06:06,246 INFO L116 LiptonReduction]: Number of co-enabled transitions 1820 [2021-10-08 17:08:11,723 WARN L207 SmtUtils]: Spent 7.92 s on a formula simplification. DAG size of input: 136 DAG size of output: 131 [2021-10-08 17:08:22,378 WARN L207 SmtUtils]: Spent 7.55 s on a formula simplification. DAG size of input: 155 DAG size of output: 148 [2021-10-08 17:08:25,799 INFO L131 LiptonReduction]: Checked pairs total: 4069 [2021-10-08 17:08:25,799 INFO L133 LiptonReduction]: Total number of compositions: 314 [2021-10-08 17:08:25,813 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 64 places, 64 transitions, 144 flow [2021-10-08 17:08:25,878 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 489 states, 343 states have (on average 3.7346938775510203) internal successors, (1281), 488 states have internal predecessors, (1281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 17:08:25,887 INFO L276 IsEmpty]: Start isEmpty. Operand has 489 states, 343 states have (on average 3.7346938775510203) internal successors, (1281), 488 states have internal predecessors, (1281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 17:08:25,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-10-08 17:08:25,899 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 17:08:25,900 INFO L512 BasicCegarLoop]: trace histogram [1, 1] [2021-10-08 17:08:25,900 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 42 more)] === [2021-10-08 17:08:25,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 17:08:25,908 INFO L82 PathProgramCache]: Analyzing trace with hash 32932, now seen corresponding path program 1 times [2021-10-08 17:08:25,921 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-08 17:08:25,922 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [933589978] [2021-10-08 17:08:25,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 17:08:25,923 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-08 17:08:25,923 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-08 17:08:25,927 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) [2021-10-08 17:08:25,944 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-08 17:08:26,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 17:08:26,068 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-08 17:08:26,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 17:08:26,192 INFO L354 Elim1Store]: treesize reduction 38, result has 30.9 percent of original size [2021-10-08 17:08:26,193 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 2 case distinctions, treesize of input 12 treesize of output 22 [2021-10-08 17:08:26,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 17:08:26,255 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-08 17:08:26,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 17:08:26,265 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-08 17:08:26,265 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [933589978] [2021-10-08 17:08:26,266 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [933589978] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-08 17:08:26,266 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-08 17:08:26,267 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1, 1] imperfect sequences [] total 1 [2021-10-08 17:08:26,268 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046802416] [2021-10-08 17:08:26,274 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-08 17:08:26,274 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-08 17:08:26,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-08 17:08:26,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-08 17:08:26,300 INFO L87 Difference]: Start difference. First operand has 489 states, 343 states have (on average 3.7346938775510203) internal successors, (1281), 488 states have internal predecessors, (1281), 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) [2021-10-08 17:08:27,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 17:08:27,186 INFO L93 Difference]: Finished difference Result 485 states and 1277 transitions. [2021-10-08 17:08:27,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-08 17:08:27,192 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 [2021-10-08 17:08:27,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 17:08:27,212 INFO L225 Difference]: With dead ends: 485 [2021-10-08 17:08:27,213 INFO L226 Difference]: Without dead ends: 485 [2021-10-08 17:08:27,214 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 30.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-08 17:08:27,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2021-10-08 17:08:27,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 485. [2021-10-08 17:08:27,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 485 states, 343 states have (on average 3.7230320699708455) internal successors, (1277), 484 states have internal predecessors, (1277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 17:08:27,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 485 states and 1277 transitions. [2021-10-08 17:08:27,297 INFO L78 Accepts]: Start accepts. Automaton has 485 states and 1277 transitions. Word has length 2 [2021-10-08 17:08:27,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 17:08:27,298 INFO L470 AbstractCegarLoop]: Abstraction has 485 states and 1277 transitions. [2021-10-08 17:08:27,298 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) [2021-10-08 17:08:27,299 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 1277 transitions. [2021-10-08 17:08:27,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-10-08 17:08:27,299 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 17:08:27,299 INFO L512 BasicCegarLoop]: trace histogram [1, 1] [2021-10-08 17:08:27,317 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-08 17:08:27,513 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 [2021-10-08 17:08:27,514 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 42 more)] === [2021-10-08 17:08:27,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 17:08:27,515 INFO L82 PathProgramCache]: Analyzing trace with hash 32933, now seen corresponding path program 1 times [2021-10-08 17:08:27,516 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-08 17:08:27,516 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [473028191] [2021-10-08 17:08:27,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 17:08:27,517 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-08 17:08:27,517 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-08 17:08:27,518 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) [2021-10-08 17:08:27,524 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-08 17:08:27,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 17:08:27,640 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-08 17:08:27,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 17:08:27,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-08 17:08:27,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-08 17:08:28,020 INFO L354 Elim1Store]: treesize reduction 141, result has 26.9 percent of original size [2021-10-08 17:08:28,021 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 4 case distinctions, treesize of input 20 treesize of output 59 [2021-10-08 17:08:28,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 17:08:28,148 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-08 17:08:28,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 17:08:28,301 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-08 17:08:28,301 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [473028191] [2021-10-08 17:08:28,302 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [473028191] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-08 17:08:28,302 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-08 17:08:28,302 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1, 1] imperfect sequences [] total 2 [2021-10-08 17:08:28,302 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553896108] [2021-10-08 17:08:28,304 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-08 17:08:28,304 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-08 17:08:28,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-08 17:08:28,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-08 17:08:28,305 INFO L87 Difference]: Start difference. First operand 485 states and 1277 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) [2021-10-08 17:08:30,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 17:08:30,153 INFO L93 Difference]: Finished difference Result 969 states and 2558 transitions. [2021-10-08 17:08:30,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-08 17:08:30,157 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 [2021-10-08 17:08:30,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 17:08:30,167 INFO L225 Difference]: With dead ends: 969 [2021-10-08 17:08:30,167 INFO L226 Difference]: Without dead ends: 969 [2021-10-08 17:08:30,168 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 127.9ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-08 17:08:30,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 969 states. [2021-10-08 17:08:30,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 969 to 491. [2021-10-08 17:08:30,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 491 states, 349 states have (on average 3.7048710601719197) internal successors, (1293), 490 states have internal predecessors, (1293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 17:08:30,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 1293 transitions. [2021-10-08 17:08:30,208 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 1293 transitions. Word has length 2 [2021-10-08 17:08:30,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 17:08:30,208 INFO L470 AbstractCegarLoop]: Abstraction has 491 states and 1293 transitions. [2021-10-08 17:08:30,208 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) [2021-10-08 17:08:30,208 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 1293 transitions. [2021-10-08 17:08:30,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-08 17:08:30,209 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 17:08:30,209 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1] [2021-10-08 17:08:30,225 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-08 17:08:30,423 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 [2021-10-08 17:08:30,424 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 42 more)] === [2021-10-08 17:08:30,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 17:08:30,425 INFO L82 PathProgramCache]: Analyzing trace with hash 31818597, now seen corresponding path program 1 times [2021-10-08 17:08:30,426 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-08 17:08:30,426 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1983270890] [2021-10-08 17:08:30,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 17:08:30,427 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-08 17:08:30,427 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-08 17:08:30,428 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) [2021-10-08 17:08:30,429 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-08 17:08:30,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 17:08:30,528 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-08 17:08:30,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 17:08:30,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-08 17:08:30,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-08 17:08:30,849 INFO L354 Elim1Store]: treesize reduction 141, result has 26.9 percent of original size [2021-10-08 17:08:30,849 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 4 case distinctions, treesize of input 20 treesize of output 59 [2021-10-08 17:08:31,170 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 17:08:31,170 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-08 17:08:31,816 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 17:08:31,817 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-08 17:08:31,817 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1983270890] [2021-10-08 17:08:31,817 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1983270890] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-08 17:08:31,817 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 17:08:31,817 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 6 [2021-10-08 17:08:31,818 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670914026] [2021-10-08 17:08:31,818 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-08 17:08:31,818 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-08 17:08:31,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-08 17:08:31,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-08 17:08:31,819 INFO L87 Difference]: Start difference. First operand 491 states and 1293 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) [2021-10-08 17:08:48,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 17:08:48,348 INFO L93 Difference]: Finished difference Result 2894 states and 7651 transitions. [2021-10-08 17:08:48,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-08 17:08:48,354 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 [2021-10-08 17:08:48,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 17:08:48,378 INFO L225 Difference]: With dead ends: 2894 [2021-10-08 17:08:48,379 INFO L226 Difference]: Without dead ends: 2894 [2021-10-08 17:08:48,379 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1066.4ms TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2021-10-08 17:08:48,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2894 states. [2021-10-08 17:08:48,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2894 to 503. [2021-10-08 17:08:48,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 503 states, 361 states have (on average 3.673130193905817) internal successors, (1326), 502 states have internal predecessors, (1326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 17:08:48,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 503 states and 1326 transitions. [2021-10-08 17:08:48,424 INFO L78 Accepts]: Start accepts. Automaton has 503 states and 1326 transitions. Word has length 4 [2021-10-08 17:08:48,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 17:08:48,425 INFO L470 AbstractCegarLoop]: Abstraction has 503 states and 1326 transitions. [2021-10-08 17:08:48,425 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) [2021-10-08 17:08:48,425 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 1326 transitions. [2021-10-08 17:08:48,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-08 17:08:48,426 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 17:08:48,426 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-10-08 17:08:48,443 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-08 17:08:48,639 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 [2021-10-08 17:08:48,640 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr8REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 42 more)] === [2021-10-08 17:08:48,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 17:08:48,641 INFO L82 PathProgramCache]: Analyzing trace with hash 31851347, now seen corresponding path program 1 times [2021-10-08 17:08:48,641 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-08 17:08:48,642 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1503337066] [2021-10-08 17:08:48,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 17:08:48,642 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-08 17:08:48,643 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-08 17:08:48,644 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) [2021-10-08 17:08:48,646 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-08 17:08:48,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 17:08:48,836 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-08 17:08:48,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 17:08:48,943 INFO L354 Elim1Store]: treesize reduction 38, result has 30.9 percent of original size [2021-10-08 17:08:48,944 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 3 case distinctions, treesize of input 26 treesize of output 33 [2021-10-08 17:08:49,149 INFO L354 Elim1Store]: treesize reduction 30, result has 36.2 percent of original size [2021-10-08 17:08:49,150 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 33 treesize of output 44 [2021-10-08 17:08:49,446 INFO L354 Elim1Store]: treesize reduction 57, result has 30.5 percent of original size [2021-10-08 17:08:49,447 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 56 treesize of output 73 [2021-10-08 17:08:50,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 17:08:50,320 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-08 17:08:50,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 17:08:50,437 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-08 17:08:50,437 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1503337066] [2021-10-08 17:08:50,437 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1503337066] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-08 17:08:50,437 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-08 17:08:50,437 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 4 [2021-10-08 17:08:50,438 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906474620] [2021-10-08 17:08:50,438 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-08 17:08:50,438 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-08 17:08:50,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-08 17:08:50,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-08 17:08:50,439 INFO L87 Difference]: Start difference. First operand 503 states and 1326 transitions. Second operand has 6 states, 5 states have (on average 1.6) internal successors, (8), 5 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) [2021-10-08 17:08:51,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 17:08:51,325 INFO L93 Difference]: Finished difference Result 406 states and 1029 transitions. [2021-10-08 17:08:51,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-08 17:08:51,329 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.6) internal successors, (8), 5 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 [2021-10-08 17:08:51,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 17:08:51,334 INFO L225 Difference]: With dead ends: 406 [2021-10-08 17:08:51,334 INFO L226 Difference]: Without dead ends: 406 [2021-10-08 17:08:51,335 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 862.2ms TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-08 17:08:51,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2021-10-08 17:08:51,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 406. [2021-10-08 17:08:51,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 406 states, 300 states have (on average 3.43) internal successors, (1029), 405 states have internal predecessors, (1029), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 17:08:51,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 1029 transitions. [2021-10-08 17:08:51,360 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 1029 transitions. Word has length 4 [2021-10-08 17:08:51,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 17:08:51,367 INFO L470 AbstractCegarLoop]: Abstraction has 406 states and 1029 transitions. [2021-10-08 17:08:51,367 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.6) internal successors, (8), 5 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) [2021-10-08 17:08:51,367 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 1029 transitions. [2021-10-08 17:08:51,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-08 17:08:51,368 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 17:08:51,368 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-10-08 17:08:51,384 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-08 17:08:51,568 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 [2021-10-08 17:08:51,569 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr9REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 42 more)] === [2021-10-08 17:08:51,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 17:08:51,570 INFO L82 PathProgramCache]: Analyzing trace with hash 31851348, now seen corresponding path program 1 times [2021-10-08 17:08:51,571 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-08 17:08:51,571 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1083332054] [2021-10-08 17:08:51,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 17:08:51,572 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-08 17:08:51,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-08 17:08:51,573 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) [2021-10-08 17:08:51,575 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-08 17:08:51,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 17:08:51,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-08 17:08:51,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 17:08:52,088 INFO L354 Elim1Store]: treesize reduction 145, result has 24.9 percent of original size [2021-10-08 17:08:52,088 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 4 case distinctions, treesize of input 33 treesize of output 67 [2021-10-08 17:08:52,099 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 68 treesize of output 66 [2021-10-08 17:08:52,377 INFO L354 Elim1Store]: treesize reduction 36, result has 29.4 percent of original size [2021-10-08 17:08:52,377 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 27 treesize of output 36 [2021-10-08 17:08:52,606 INFO L354 Elim1Store]: treesize reduction 36, result has 29.4 percent of original size [2021-10-08 17:08:52,606 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 30 treesize of output 39 [2021-10-08 17:08:53,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 17:08:53,057 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-08 17:08:53,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 17:08:53,822 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-08 17:08:53,822 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1083332054] [2021-10-08 17:08:53,822 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1083332054] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-08 17:08:53,822 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-08 17:08:53,822 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 4 [2021-10-08 17:08:53,823 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384404840] [2021-10-08 17:08:53,823 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-08 17:08:53,823 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-08 17:08:53,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-08 17:08:53,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-10-08 17:08:53,824 INFO L87 Difference]: Start difference. First operand 406 states and 1029 transitions. Second operand has 6 states, 5 states have (on average 1.6) internal successors, (8), 5 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) [2021-10-08 17:08:58,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 17:08:58,628 INFO L93 Difference]: Finished difference Result 309 states and 732 transitions. [2021-10-08 17:08:58,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-08 17:08:58,632 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.6) internal successors, (8), 5 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 [2021-10-08 17:08:58,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 17:08:58,634 INFO L225 Difference]: With dead ends: 309 [2021-10-08 17:08:58,634 INFO L226 Difference]: Without dead ends: 309 [2021-10-08 17:08:58,635 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 541.3ms TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-10-08 17:08:58,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2021-10-08 17:08:58,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 309. [2021-10-08 17:08:58,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 309 states, 239 states have (on average 3.062761506276151) internal successors, (732), 308 states have internal predecessors, (732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 17:08:58,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 732 transitions. [2021-10-08 17:08:58,646 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 732 transitions. Word has length 4 [2021-10-08 17:08:58,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 17:08:58,646 INFO L470 AbstractCegarLoop]: Abstraction has 309 states and 732 transitions. [2021-10-08 17:08:58,647 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.6) internal successors, (8), 5 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) [2021-10-08 17:08:58,647 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 732 transitions. [2021-10-08 17:08:58,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-08 17:08:58,647 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 17:08:58,647 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-10-08 17:08:58,662 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2021-10-08 17:08:58,860 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 [2021-10-08 17:08:58,861 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 42 more)] === [2021-10-08 17:08:58,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 17:08:58,862 INFO L82 PathProgramCache]: Analyzing trace with hash 987396776, now seen corresponding path program 1 times [2021-10-08 17:08:58,863 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-08 17:08:58,863 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1764003617] [2021-10-08 17:08:58,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 17:08:58,864 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-08 17:08:58,864 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-08 17:08:58,865 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) [2021-10-08 17:08:58,866 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-08 17:08:59,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-08 17:08:59,052 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-08 17:08:59,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-08 17:08:59,252 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-10-08 17:08:59,252 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-08 17:08:59,253 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr7REQUIRES_VIOLATION [2021-10-08 17:08:59,256 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0REQUIRES_VIOLATION [2021-10-08 17:08:59,257 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1REQUIRES_VIOLATION [2021-10-08 17:08:59,257 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2REQUIRES_VIOLATION [2021-10-08 17:08:59,257 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3REQUIRES_VIOLATION [2021-10-08 17:08:59,258 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0REQUIRES_VIOLATION [2021-10-08 17:08:59,258 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1REQUIRES_VIOLATION [2021-10-08 17:08:59,258 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2REQUIRES_VIOLATION [2021-10-08 17:08:59,259 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3REQUIRES_VIOLATION [2021-10-08 17:08:59,259 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4REQUIRES_VIOLATION [2021-10-08 17:08:59,259 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5REQUIRES_VIOLATION [2021-10-08 17:08:59,260 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATION [2021-10-08 17:08:59,260 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATION [2021-10-08 17:08:59,260 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2REQUIRES_VIOLATION [2021-10-08 17:08:59,260 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATION [2021-10-08 17:08:59,261 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8REQUIRES_VIOLATION [2021-10-08 17:08:59,261 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9REQUIRES_VIOLATION [2021-10-08 17:08:59,261 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10REQUIRES_VIOLATION [2021-10-08 17:08:59,261 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11REQUIRES_VIOLATION [2021-10-08 17:08:59,262 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12REQUIRES_VIOLATION [2021-10-08 17:08:59,262 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13REQUIRES_VIOLATION [2021-10-08 17:08:59,262 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14REQUIRES_VIOLATION [2021-10-08 17:08:59,262 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15REQUIRES_VIOLATION [2021-10-08 17:08:59,263 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATION [2021-10-08 17:08:59,263 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5REQUIRES_VIOLATION [2021-10-08 17:08:59,263 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6REQUIRES_VIOLATION [2021-10-08 17:08:59,264 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16REQUIRES_VIOLATION [2021-10-08 17:08:59,264 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17REQUIRES_VIOLATION [2021-10-08 17:08:59,264 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18REQUIRES_VIOLATION [2021-10-08 17:08:59,264 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19REQUIRES_VIOLATION [2021-10-08 17:08:59,265 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20REQUIRES_VIOLATION [2021-10-08 17:08:59,265 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21REQUIRES_VIOLATION [2021-10-08 17:08:59,265 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK [2021-10-08 17:08:59,266 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_LEAK [2021-10-08 17:08:59,266 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-08 17:08:59,266 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-08 17:08:59,266 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0REQUIRES_VIOLATION [2021-10-08 17:08:59,267 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1REQUIRES_VIOLATION [2021-10-08 17:08:59,267 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2REQUIRES_VIOLATION [2021-10-08 17:08:59,267 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3REQUIRES_VIOLATION [2021-10-08 17:08:59,267 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0REQUIRES_VIOLATION [2021-10-08 17:08:59,268 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1REQUIRES_VIOLATION [2021-10-08 17:08:59,268 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2REQUIRES_VIOLATION [2021-10-08 17:08:59,268 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3REQUIRES_VIOLATION [2021-10-08 17:08:59,269 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4REQUIRES_VIOLATION [2021-10-08 17:08:59,269 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5REQUIRES_VIOLATION [2021-10-08 17:08:59,288 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-08 17:08:59,482 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 [2021-10-08 17:08:59,492 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-08 17:08:59,492 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-08 17:08:59,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.10 05:08:59 BasicIcfg [2021-10-08 17:08:59,525 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-08 17:08:59,526 INFO L168 Benchmark]: Toolchain (without parser) took 175525.17 ms. Allocated memory was 169.9 MB in the beginning and 229.6 MB in the end (delta: 59.8 MB). Free memory was 144.4 MB in the beginning and 88.6 MB in the end (delta: 55.8 MB). Peak memory consumption was 117.0 MB. Max. memory is 8.0 GB. [2021-10-08 17:08:59,526 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 169.9 MB. Free memory is still 140.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-08 17:08:59,527 INFO L168 Benchmark]: CACSL2BoogieTranslator took 393.42 ms. Allocated memory is still 169.9 MB. Free memory was 143.8 MB in the beginning and 129.9 MB in the end (delta: 13.9 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-10-08 17:08:59,528 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.80 ms. Allocated memory is still 169.9 MB. Free memory was 129.9 MB in the beginning and 127.7 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-08 17:08:59,528 INFO L168 Benchmark]: Boogie Preprocessor took 51.62 ms. Allocated memory is still 169.9 MB. Free memory was 127.7 MB in the beginning and 125.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-08 17:08:59,529 INFO L168 Benchmark]: RCFGBuilder took 1364.07 ms. Allocated memory is still 169.9 MB. Free memory was 125.6 MB in the beginning and 131.6 MB in the end (delta: -6.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 8.0 GB. [2021-10-08 17:08:59,530 INFO L168 Benchmark]: TraceAbstraction took 173647.45 ms. Allocated memory was 169.9 MB in the beginning and 229.6 MB in the end (delta: 59.8 MB). Free memory was 131.1 MB in the beginning and 88.6 MB in the end (delta: 42.5 MB). Peak memory consumption was 103.8 MB. Max. memory is 8.0 GB. [2021-10-08 17:08:59,533 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 169.9 MB. Free memory is still 140.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 393.42 ms. Allocated memory is still 169.9 MB. Free memory was 143.8 MB in the beginning and 129.9 MB in the end (delta: 13.9 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 53.80 ms. Allocated memory is still 169.9 MB. Free memory was 129.9 MB in the beginning and 127.7 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 51.62 ms. Allocated memory is still 169.9 MB. Free memory was 127.7 MB in the beginning and 125.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1364.07 ms. Allocated memory is still 169.9 MB. Free memory was 125.6 MB in the beginning and 131.6 MB in the end (delta: -6.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 173647.45 ms. Allocated memory was 169.9 MB in the beginning and 229.6 MB in the end (delta: 59.8 MB). Free memory was 131.1 MB in the beginning and 88.6 MB in the end (delta: 42.5 MB). Peak memory consumption was 103.8 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 139720.8ms, 250 PlacesBefore, 64 PlacesAfterwards, 268 TransitionsBefore, 64 TransitionsAfterwards, 1820 CoEnabledTransitionPairs, 9 FixpointIterations, 199 TrivialSequentialCompositions, 45 ConcurrentSequentialCompositions, 46 TrivialYvCompositions, 6 ConcurrentYvCompositions, 18 ChoiceCompositions, 314 TotalNumberOfCompositions, 4069 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2887, positive: 2757, positive conditional: 0, positive unconditional: 2757, negative: 130, negative conditional: 0, negative unconditional: 130, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1080, positive: 1049, positive conditional: 0, positive unconditional: 1049, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1080, positive: 1049, positive conditional: 0, positive unconditional: 1049, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 31, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , SemanticIndependenceRelation.Query Time [ms]: [ total: 14600, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3323, negative conditional: 0, negative unconditional: 3323, unknown: 11277, unknown conditional: 0, unknown unconditional: 11277] ], Cache Queries: [ total: 2887, positive: 1708, positive conditional: 0, positive unconditional: 1708, negative: 99, negative conditional: 0, negative unconditional: 99, unknown: 1080, unknown conditional: 0, unknown unconditional: 1080] , Statistics on independence cache: Total cache size (in pairs): 153, Positive cache size: 142, Positive conditional cache size: 0, Positive unconditional cache size: 142, Negative cache size: 11, Negative conditional cache size: 0, Negative unconditional cache size: 11 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 80]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L40] int** B; [L41] int* A; [L42] int* F; [L43] int L, N, M, a, b; [L66] pthread_t t1, t2; [L69] M = __VERIFIER_nondet_int() [L37] COND FALSE !(!cond) [L71] N = __VERIFIER_nondet_int() [L37] COND FALSE !(!cond) [L37] COND FALSE !(!cond) [L75] L = M * N [L37] COND FALSE !(!cond) [L37] COND FALSE !(!cond) [L102] int* arr = (int*)malloc(sizeof(int) * (size_t)size); [L103] int i = 0; VAL [A={0:0}, a=0, B={0:0}, b=0, F={0:0}, L=0, M=0, N=1073741824] [L103] COND FALSE !(i < size) [L106] return arr; [L76] A = create_fresh_int_array(L) [L37] COND FALSE !(!cond) [L37] COND FALSE !(!cond) [L102] int* arr = (int*)malloc(sizeof(int) * (size_t)size); [L103] int i = 0; VAL [a=0, A={1:0}, B={0:0}, b=0, F={0:0}, L=0, M=0, N=1073741824] [L103] COND FALSE !(i < size) [L106] return arr; [L77] F = create_fresh_int_array(L) [L78] B = (int**)malloc(sizeof(int*) * (size_t)N) [L79] int i=0; VAL [a=0, A={1:0}, b=0, B={3:0}, F={2:0}, L=0, M=0, N=1073741824] [L79] COND TRUE i