/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf -i ../sv-benchmarks/c/weaver/chl-array-int-subst.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-c503be2 [2021-10-13 19:50:05,296 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 19:50:05,300 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 19:50:05,355 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 19:50:05,356 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 19:50:05,363 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 19:50:05,367 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 19:50:05,372 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 19:50:05,375 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 19:50:05,381 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 19:50:05,383 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 19:50:05,384 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 19:50:05,385 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 19:50:05,388 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 19:50:05,390 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 19:50:05,394 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 19:50:05,397 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 19:50:05,399 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 19:50:05,406 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 19:50:05,415 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 19:50:05,430 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 19:50:05,432 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 19:50:05,433 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 19:50:05,436 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 19:50:05,440 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-10-13 19:50:05,445 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 19:50:05,446 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 19:50:05,447 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 19:50:05,448 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 19:50:05,449 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 19:50:05,450 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 19:50:05,450 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 19:50:05,451 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 19:50:05,451 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 19:50:05,452 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 19:50:05,453 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 19:50:05,454 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-10-13 19:50:05,486 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 19:50:05,486 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 19:50:05,487 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 19:50:05,487 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 19:50:05,488 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 19:50:05,489 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 19:50:05,489 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 19:50:05,489 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 19:50:05,489 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 19:50:05,490 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 19:50:05,490 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 19:50:05,490 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 19:50:05,490 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 19:50:05,491 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-13 19:50:05,491 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-13 19:50:05,491 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-13 19:50:05,491 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 19:50:05,491 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 19:50:05,492 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 19:50:05,494 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 19:50:05,494 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 19:50:05,494 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 19:50:05,495 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 19:50:05,496 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 19:50:05,496 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 19:50:05,496 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 19:50:05,496 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 19:50:05,496 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 19:50:05,497 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-13 19:50:05,497 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 19:50:05,497 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 19:50:05,498 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 19:50:05,498 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-10-13 19:50:05,946 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 19:50:05,989 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 19:50:05,993 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 19:50:05,994 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 19:50:05,995 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 19:50:05,996 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/chl-array-int-subst.wvr.c [2021-10-13 19:50:06,084 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d10798807/1e1a44c8c931496390756a2f6d71d5c7/FLAGd194f6a9a [2021-10-13 19:50:06,865 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 19:50:06,866 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/chl-array-int-subst.wvr.c [2021-10-13 19:50:06,876 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d10798807/1e1a44c8c931496390756a2f6d71d5c7/FLAGd194f6a9a [2021-10-13 19:50:07,205 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d10798807/1e1a44c8c931496390756a2f6d71d5c7 [2021-10-13 19:50:07,208 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 19:50:07,215 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-13 19:50:07,223 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 19:50:07,223 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 19:50:07,227 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 19:50:07,228 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:50:07" (1/1) ... [2021-10-13 19:50:07,231 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3332e28a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:50:07, skipping insertion in model container [2021-10-13 19:50:07,231 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:50:07" (1/1) ... [2021-10-13 19:50:07,246 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 19:50:07,290 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 19:50:07,569 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/chl-array-int-subst.wvr.c[2781,2794] [2021-10-13 19:50:07,609 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 19:50:07,640 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-13 19:50:07,659 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 19:50:07,718 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/chl-array-int-subst.wvr.c[2781,2794] [2021-10-13 19:50:07,737 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 19:50:07,747 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 19:50:07,849 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/chl-array-int-subst.wvr.c[2781,2794] [2021-10-13 19:50:07,861 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 19:50:07,890 INFO L208 MainTranslator]: Completed translation [2021-10-13 19:50:07,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:50:07 WrapperNode [2021-10-13 19:50:07,892 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 19:50:07,894 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 19:50:07,894 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 19:50:07,894 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 19:50:07,905 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:50:07" (1/1) ... [2021-10-13 19:50:07,941 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:50:07" (1/1) ... [2021-10-13 19:50:08,008 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 19:50:08,015 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 19:50:08,015 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 19:50:08,015 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 19:50:08,029 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:50:07" (1/1) ... [2021-10-13 19:50:08,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:50:07" (1/1) ... [2021-10-13 19:50:08,053 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:50:07" (1/1) ... [2021-10-13 19:50:08,054 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:50:07" (1/1) ... [2021-10-13 19:50:08,084 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:50:07" (1/1) ... [2021-10-13 19:50:08,098 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:50:07" (1/1) ... [2021-10-13 19:50:08,103 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:50:07" (1/1) ... [2021-10-13 19:50:08,113 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 19:50:08,114 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 19:50:08,114 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 19:50:08,115 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 19:50:08,116 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:50:07" (1/1) ... [2021-10-13 19:50:08,129 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 19:50:08,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-13 19:50:08,165 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) [2021-10-13 19:50:08,202 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 [2021-10-13 19:50:08,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-13 19:50:08,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 19:50:08,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-13 19:50:08,256 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-13 19:50:08,256 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-13 19:50:08,257 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-13 19:50:08,259 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-13 19:50:08,260 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-10-13 19:50:08,260 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-10-13 19:50:08,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-13 19:50:08,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 19:50:08,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 19:50:08,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 19:50:08,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-13 19:50:08,263 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-13 19:50:09,849 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 19:50:09,849 INFO L299 CfgBuilder]: Removed 50 assume(true) statements. [2021-10-13 19:50:09,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:50:09 BoogieIcfgContainer [2021-10-13 19:50:09,853 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 19:50:09,855 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 19:50:09,855 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 19:50:09,859 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 19:50:09,859 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:50:07" (1/3) ... [2021-10-13 19:50:09,860 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51d54ba2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:50:09, skipping insertion in model container [2021-10-13 19:50:09,861 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:50:07" (2/3) ... [2021-10-13 19:50:09,861 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51d54ba2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:50:09, skipping insertion in model container [2021-10-13 19:50:09,861 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:50:09" (3/3) ... [2021-10-13 19:50:09,863 INFO L111 eAbstractionObserver]: Analyzing ICFG chl-array-int-subst.wvr.c [2021-10-13 19:50:09,870 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 19:50:09,870 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 44 error locations. [2021-10-13 19:50:09,870 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-13 19:50:09,943 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,943 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,943 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,944 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,944 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,944 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,944 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,945 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,945 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,945 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,945 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,945 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,946 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,946 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,946 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,946 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,947 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,947 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,947 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,947 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,948 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,948 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,948 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,949 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,949 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,950 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,950 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,950 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,951 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,952 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,952 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,952 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,953 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,953 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,953 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,953 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,953 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,954 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,954 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,954 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,954 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,955 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,955 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,955 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,955 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,956 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,956 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,956 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,956 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,956 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,957 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,957 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,958 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,958 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,958 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,959 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,959 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,959 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,960 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,960 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,960 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,960 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,961 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,961 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,961 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,962 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,962 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,962 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,962 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,962 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,963 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,963 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,963 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,964 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,964 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,964 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,964 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,965 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,965 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,965 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,965 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,965 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,965 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,966 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,966 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,966 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,967 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,967 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,969 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,970 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,971 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,971 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,974 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,980 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,981 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,981 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,981 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,981 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,982 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,982 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,982 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,982 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,982 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,983 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,983 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,985 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,985 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,986 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,986 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,986 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,986 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,986 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,986 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,987 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,987 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,987 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,987 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,987 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,988 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,988 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,988 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,988 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,988 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,988 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,989 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,989 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,989 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,989 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,989 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,990 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,990 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,990 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,994 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,994 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,994 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,995 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,995 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,995 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,995 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,996 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,996 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,996 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,996 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,996 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,997 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,997 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,997 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,997 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,998 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,998 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,998 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,998 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,999 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,999 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,999 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:09,999 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,000 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,003 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,003 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,003 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,003 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,004 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,004 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,004 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,004 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,004 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,004 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,005 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,006 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,006 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,007 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,007 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,007 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,007 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,008 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,008 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,008 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,008 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,008 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,009 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,009 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,009 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,009 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,009 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,010 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,010 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,010 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,010 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,010 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,011 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,011 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,011 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,011 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,011 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,011 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,012 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,012 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,012 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,012 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,012 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,012 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,013 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,013 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,013 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,013 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,013 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,013 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,013 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,014 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,014 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,014 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,014 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,014 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,014 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,015 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,015 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,015 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,015 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,016 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,021 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,021 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,022 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,022 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,022 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,022 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,022 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,023 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,026 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,026 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,026 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,027 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,027 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,027 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,027 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,027 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,027 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,028 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,028 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,030 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,030 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,030 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,030 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,031 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,031 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,031 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,031 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,031 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,032 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,032 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,032 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,032 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,032 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,032 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,033 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,033 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,033 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,033 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,033 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,033 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,034 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,034 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,034 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,034 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,034 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,035 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,035 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,036 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,036 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,036 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,036 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,036 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,037 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,037 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,037 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,037 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,037 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,037 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,038 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,038 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,038 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,038 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,039 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,039 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,039 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,039 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,039 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,040 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,040 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,040 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,040 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,040 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,041 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,041 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,041 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,041 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,041 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,041 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,042 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,042 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,042 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,042 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,042 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,042 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,042 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,043 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,043 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,043 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,043 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,044 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,044 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,044 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,044 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,044 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,044 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,045 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,045 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,045 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,045 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,046 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,046 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,046 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,046 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,046 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,046 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,046 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,047 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,047 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,047 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,047 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,047 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,047 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,048 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,048 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,048 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,048 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,048 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,048 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,048 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,049 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,049 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,049 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,049 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,049 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,049 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,050 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,050 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,050 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,050 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,050 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,050 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,050 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,051 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,051 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,051 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,051 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,051 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,051 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,052 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,052 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,052 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,052 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,052 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,052 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,053 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,053 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,053 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,053 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,053 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,054 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,054 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,054 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,054 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,054 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,055 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,055 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,055 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,055 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,055 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,055 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,056 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,056 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,056 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,056 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,056 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,056 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,056 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,057 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,057 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,057 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,057 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,057 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,057 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,058 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,058 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,058 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,058 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,062 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,062 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,063 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,063 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,063 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,063 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,064 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,064 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,064 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,064 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,064 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,065 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,065 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,065 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,065 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,065 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,071 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,071 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,071 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,072 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,072 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,072 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,072 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,072 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,073 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,073 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,073 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,073 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,073 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,074 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,074 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,074 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork1_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,076 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,077 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,077 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,077 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,077 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,078 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,078 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,078 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,078 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,078 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,079 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,079 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,079 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,079 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,079 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,080 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 19:50:10,136 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-10-13 19:50:10,297 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 19:50:10,319 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 [2021-10-13 19:50:10,321 INFO L340 AbstractCegarLoop]: Starting to check reachability of 71 error locations. [2021-10-13 19:50:10,396 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-10-13 19:50:10,430 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 332 places, 351 transitions, 726 flow [2021-10-13 19:50:10,441 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 332 places, 351 transitions, 726 flow [2021-10-13 19:50:10,446 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 332 places, 351 transitions, 726 flow [2021-10-13 19:50:10,755 INFO L129 PetriNetUnfolder]: 29/348 cut-off events. [2021-10-13 19:50:10,756 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-10-13 19:50:10,768 INFO L84 FinitePrefix]: Finished finitePrefix Result has 361 conditions, 348 events. 29/348 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 772 event pairs, 0 based on Foata normal form. 0/275 useless extension candidates. Maximal degree in co-relation 257. Up to 3 conditions per place. [2021-10-13 19:50:10,794 INFO L116 LiptonReduction]: Number of co-enabled transitions 21114 [2021-10-13 19:51:11,441 INFO L131 LiptonReduction]: Checked pairs total: 32912 [2021-10-13 19:51:11,441 INFO L133 LiptonReduction]: Total number of compositions: 410 [2021-10-13 19:51:11,453 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 85 places, 83 transitions, 190 flow [2021-10-13 19:51:11,991 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 10140 states, 7584 states have (on average 5.030458860759493) internal successors, (38151), 10139 states have internal predecessors, (38151), 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) [2021-10-13 19:51:12,045 INFO L276 IsEmpty]: Start isEmpty. Operand has 10140 states, 7584 states have (on average 5.030458860759493) internal successors, (38151), 10139 states have internal predecessors, (38151), 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) [2021-10-13 19:51:12,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-10-13 19:51:12,055 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 19:51:12,056 INFO L512 BasicCegarLoop]: trace histogram [1, 1] [2021-10-13 19:51:12,057 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 67 more)] === [2021-10-13 19:51:12,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 19:51:12,066 INFO L82 PathProgramCache]: Analyzing trace with hash 45172, now seen corresponding path program 1 times [2021-10-13 19:51:12,081 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 19:51:12,082 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1940760281] [2021-10-13 19:51:12,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 19:51:12,083 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 19:51:12,083 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-13 19:51:12,089 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) [2021-10-13 19:51:12,132 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-13 19:51:12,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 19:51:12,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 19:51:12,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 19:51:12,374 INFO L354 Elim1Store]: treesize reduction 84, result has 22.9 percent of original size [2021-10-13 19:51:12,375 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 15 treesize of output 30 [2021-10-13 19:51:12,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 19:51:12,436 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 19:51:12,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 19:51:12,450 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 19:51:12,450 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1940760281] [2021-10-13 19:51:12,453 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1940760281] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 19:51:12,455 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 19:51:12,455 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1, 1] imperfect sequences [] total 1 [2021-10-13 19:51:12,458 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536198026] [2021-10-13 19:51:12,473 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 19:51:12,474 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 19:51:12,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 19:51:12,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 19:51:12,530 INFO L87 Difference]: Start difference. First operand has 10140 states, 7584 states have (on average 5.030458860759493) internal successors, (38151), 10139 states have internal predecessors, (38151), 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) [2021-10-13 19:51:13,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 19:51:13,240 INFO L93 Difference]: Finished difference Result 6760 states and 25219 transitions. [2021-10-13 19:51:13,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 19:51:13,242 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 [2021-10-13 19:51:13,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 19:51:13,360 INFO L225 Difference]: With dead ends: 6760 [2021-10-13 19:51:13,360 INFO L226 Difference]: Without dead ends: 6760 [2021-10-13 19:51:13,361 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 26.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 19:51:13,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6760 states. [2021-10-13 19:51:13,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6760 to 6760. [2021-10-13 19:51:13,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6760 states, 5260 states have (on average 4.794486692015209) internal successors, (25219), 6759 states have internal predecessors, (25219), 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) [2021-10-13 19:51:14,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6760 states to 6760 states and 25219 transitions. [2021-10-13 19:51:14,098 INFO L78 Accepts]: Start accepts. Automaton has 6760 states and 25219 transitions. Word has length 2 [2021-10-13 19:51:14,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 19:51:14,098 INFO L470 AbstractCegarLoop]: Abstraction has 6760 states and 25219 transitions. [2021-10-13 19:51:14,099 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) [2021-10-13 19:51:14,099 INFO L276 IsEmpty]: Start isEmpty. Operand 6760 states and 25219 transitions. [2021-10-13 19:51:14,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-10-13 19:51:14,100 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 19:51:14,100 INFO L512 BasicCegarLoop]: trace histogram [1, 1] [2021-10-13 19:51:14,118 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-13 19:51:14,313 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 [2021-10-13 19:51:14,315 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 67 more)] === [2021-10-13 19:51:14,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 19:51:14,316 INFO L82 PathProgramCache]: Analyzing trace with hash 45174, now seen corresponding path program 1 times [2021-10-13 19:51:14,319 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 19:51:14,319 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [230776329] [2021-10-13 19:51:14,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 19:51:14,319 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 19:51:14,320 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-13 19:51:14,321 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) [2021-10-13 19:51:14,330 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-13 19:51:14,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 19:51:14,386 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-13 19:51:14,388 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 19:51:14,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 19:51:14,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 19:51:14,851 INFO L354 Elim1Store]: treesize reduction 229, result has 22.6 percent of original size [2021-10-13 19:51:14,852 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 23 treesize of output 74 [2021-10-13 19:51:14,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 19:51:14,962 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 19:51:15,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 19:51:15,070 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 19:51:15,070 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [230776329] [2021-10-13 19:51:15,070 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [230776329] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 19:51:15,070 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 19:51:15,071 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1, 1] imperfect sequences [] total 2 [2021-10-13 19:51:15,071 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597752417] [2021-10-13 19:51:15,072 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 19:51:15,073 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 19:51:15,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 19:51:15,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 19:51:15,074 INFO L87 Difference]: Start difference. First operand 6760 states and 25219 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) [2021-10-13 19:51:16,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 19:51:16,993 INFO L93 Difference]: Finished difference Result 13519 states and 50442 transitions. [2021-10-13 19:51:16,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 19:51:16,994 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 [2021-10-13 19:51:16,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 19:51:17,247 INFO L225 Difference]: With dead ends: 13519 [2021-10-13 19:51:17,247 INFO L226 Difference]: Without dead ends: 13519 [2021-10-13 19:51:17,248 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 80.6ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 19:51:17,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13519 states. [2021-10-13 19:51:17,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13519 to 6766. [2021-10-13 19:51:17,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6766 states, 5266 states have (on average 4.792062286365363) internal successors, (25235), 6765 states have internal predecessors, (25235), 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) [2021-10-13 19:51:18,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6766 states to 6766 states and 25235 transitions. [2021-10-13 19:51:18,114 INFO L78 Accepts]: Start accepts. Automaton has 6766 states and 25235 transitions. Word has length 2 [2021-10-13 19:51:18,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 19:51:18,115 INFO L470 AbstractCegarLoop]: Abstraction has 6766 states and 25235 transitions. [2021-10-13 19:51:18,115 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) [2021-10-13 19:51:18,116 INFO L276 IsEmpty]: Start isEmpty. Operand 6766 states and 25235 transitions. [2021-10-13 19:51:18,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-13 19:51:18,116 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 19:51:18,116 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1] [2021-10-13 19:51:18,136 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-10-13 19:51:18,329 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 [2021-10-13 19:51:18,330 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 67 more)] === [2021-10-13 19:51:18,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 19:51:18,330 INFO L82 PathProgramCache]: Analyzing trace with hash 43766582, now seen corresponding path program 1 times [2021-10-13 19:51:18,334 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 19:51:18,334 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1590929831] [2021-10-13 19:51:18,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 19:51:18,335 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 19:51:18,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-13 19:51:18,336 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) [2021-10-13 19:51:18,372 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-13 19:51:18,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 19:51:18,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-13 19:51:18,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 19:51:18,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 19:51:18,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 19:51:18,782 INFO L354 Elim1Store]: treesize reduction 229, result has 22.6 percent of original size [2021-10-13 19:51:18,782 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 23 treesize of output 74 [2021-10-13 19:51:18,986 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 19:51:18,987 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 19:51:19,595 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 19:51:19,596 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 19:51:19,596 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1590929831] [2021-10-13 19:51:19,596 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1590929831] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 19:51:19,596 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 19:51:19,597 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 6 [2021-10-13 19:51:19,597 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378177454] [2021-10-13 19:51:19,597 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-13 19:51:19,598 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 19:51:19,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-13 19:51:19,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-13 19:51:19,599 INFO L87 Difference]: Start difference. First operand 6766 states and 25235 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) [2021-10-13 19:51:33,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 19:51:33,564 INFO L93 Difference]: Finished difference Result 40543 states and 151302 transitions. [2021-10-13 19:51:33,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-13 19:51:33,566 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 [2021-10-13 19:51:33,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 19:51:34,397 INFO L225 Difference]: With dead ends: 40543 [2021-10-13 19:51:34,397 INFO L226 Difference]: Without dead ends: 40543 [2021-10-13 19:51:34,398 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1080.3ms TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2021-10-13 19:51:34,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40543 states. [2021-10-13 19:51:35,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40543 to 6778. [2021-10-13 19:51:35,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6778 states, 5278 states have (on average 4.787230011367942) internal successors, (25267), 6777 states have internal predecessors, (25267), 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) [2021-10-13 19:51:35,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6778 states to 6778 states and 25267 transitions. [2021-10-13 19:51:35,541 INFO L78 Accepts]: Start accepts. Automaton has 6778 states and 25267 transitions. Word has length 4 [2021-10-13 19:51:35,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 19:51:35,541 INFO L470 AbstractCegarLoop]: Abstraction has 6778 states and 25267 transitions. [2021-10-13 19:51:35,542 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) [2021-10-13 19:51:35,542 INFO L276 IsEmpty]: Start isEmpty. Operand 6778 states and 25267 transitions. [2021-10-13 19:51:35,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-13 19:51:35,542 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 19:51:35,542 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-10-13 19:51:35,558 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-13 19:51:35,757 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 [2021-10-13 19:51:35,758 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 67 more)] === [2021-10-13 19:51:35,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 19:51:35,759 INFO L82 PathProgramCache]: Analyzing trace with hash 43801425, now seen corresponding path program 1 times [2021-10-13 19:51:35,760 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 19:51:35,760 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [319388318] [2021-10-13 19:51:35,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 19:51:35,761 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 19:51:35,761 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-13 19:51:35,762 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) [2021-10-13 19:51:35,796 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-13 19:51:35,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 19:51:35,887 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-13 19:51:35,888 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 19:51:35,984 INFO L354 Elim1Store]: treesize reduction 92, result has 21.4 percent of original size [2021-10-13 19:51:35,985 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 59 [2021-10-13 19:51:36,348 INFO L354 Elim1Store]: treesize reduction 92, result has 26.4 percent of original size [2021-10-13 19:51:36,349 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 63 treesize of output 86 [2021-10-13 19:51:36,866 INFO L354 Elim1Store]: treesize reduction 135, result has 23.3 percent of original size [2021-10-13 19:51:36,867 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 15 case distinctions, treesize of input 98 treesize of output 127 [2021-10-13 19:51:37,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 19:51:37,972 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 19:51:38,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 19:51:38,119 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 19:51:38,119 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [319388318] [2021-10-13 19:51:38,119 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [319388318] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 19:51:38,119 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 19:51:38,119 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 4 [2021-10-13 19:51:38,120 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228986932] [2021-10-13 19:51:38,121 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 19:51:38,121 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 19:51:38,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 19:51:38,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-13 19:51:38,122 INFO L87 Difference]: Start difference. First operand 6778 states and 25267 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) [2021-10-13 19:51:38,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 19:51:38,823 INFO L93 Difference]: Finished difference Result 5405 states and 19576 transitions. [2021-10-13 19:51:38,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 19:51:38,825 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 [2021-10-13 19:51:38,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 19:51:38,856 INFO L225 Difference]: With dead ends: 5405 [2021-10-13 19:51:38,856 INFO L226 Difference]: Without dead ends: 5405 [2021-10-13 19:51:38,857 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1103.7ms TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-13 19:51:38,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5405 states. [2021-10-13 19:51:39,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5405 to 5405. [2021-10-13 19:51:39,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5405 states, 4311 states have (on average 4.540941776849919) internal successors, (19576), 5404 states have internal predecessors, (19576), 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) [2021-10-13 19:51:39,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5405 states to 5405 states and 19576 transitions. [2021-10-13 19:51:39,058 INFO L78 Accepts]: Start accepts. Automaton has 5405 states and 19576 transitions. Word has length 4 [2021-10-13 19:51:39,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 19:51:39,058 INFO L470 AbstractCegarLoop]: Abstraction has 5405 states and 19576 transitions. [2021-10-13 19:51:39,059 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) [2021-10-13 19:51:39,059 INFO L276 IsEmpty]: Start isEmpty. Operand 5405 states and 19576 transitions. [2021-10-13 19:51:39,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-13 19:51:39,059 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 19:51:39,059 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-10-13 19:51:39,077 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-13 19:51:39,277 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 [2021-10-13 19:51:39,278 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 67 more)] === [2021-10-13 19:51:39,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 19:51:39,279 INFO L82 PathProgramCache]: Analyzing trace with hash 43801426, now seen corresponding path program 1 times [2021-10-13 19:51:39,280 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 19:51:39,280 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [787325122] [2021-10-13 19:51:39,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 19:51:39,281 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 19:51:39,281 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-13 19:51:39,282 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) [2021-10-13 19:51:39,283 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-13 19:51:39,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 19:51:39,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-13 19:51:39,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 19:51:39,708 INFO L354 Elim1Store]: treesize reduction 233, result has 21.3 percent of original size [2021-10-13 19:51:39,708 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 54 treesize of output 100 [2021-10-13 19:51:39,729 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-10-13 19:51:39,730 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 103 treesize of output 99 [2021-10-13 19:51:41,576 INFO L354 Elim1Store]: treesize reduction 84, result has 36.8 percent of original size [2021-10-13 19:51:41,577 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 57 treesize of output 96 [2021-10-13 19:51:53,417 INFO L354 Elim1Store]: treesize reduction 84, result has 36.8 percent of original size [2021-10-13 19:51:53,417 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 107 treesize of output 138 [2021-10-13 19:53:02,497 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 19:53:02,498 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [787325122] [2021-10-13 19:53:02,499 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: No corresponding IProgramVar for v_prenex_1 [2021-10-13 19:53:02,499 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2082851401] [2021-10-13 19:53:02,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 19:53:02,500 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-13 19:53:02,500 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/cvc4 [2021-10-13 19:53:02,503 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-13 19:53:02,504 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2021-10-13 19:53:02,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 19:53:02,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-13 19:53:02,713 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 19:53:02,988 INFO L354 Elim1Store]: treesize reduction 233, result has 21.3 percent of original size [2021-10-13 19:53:02,988 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 54 treesize of output 100 [2021-10-13 19:53:03,002 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-10-13 19:53:03,002 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 103 treesize of output 99 [2021-10-13 19:53:04,471 INFO L354 Elim1Store]: treesize reduction 84, result has 36.8 percent of original size [2021-10-13 19:53:04,472 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 57 treesize of output 96 [2021-10-13 19:53:15,259 INFO L354 Elim1Store]: treesize reduction 84, result has 36.8 percent of original size [2021-10-13 19:53:15,260 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 107 treesize of output 138 [2021-10-13 19:54:07,516 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: No corresponding IProgramVar for v_prenex_3 [2021-10-13 19:54:07,517 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1695524] [2021-10-13 19:54:07,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 19:54:07,517 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 19:54:07,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-13 19:54:07,524 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 19:54:07,530 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-10-13 19:54:07,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 19:54:07,649 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-13 19:54:07,650 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 19:54:07,950 INFO L354 Elim1Store]: treesize reduction 241, result has 18.6 percent of original size [2021-10-13 19:54:07,951 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 84 treesize of output 122 [2021-10-13 19:54:08,030 INFO L354 Elim1Store]: treesize reduction 108, result has 18.8 percent of original size [2021-10-13 19:54:08,031 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 8 case distinctions, treesize of input 128 treesize of output 136 [2021-10-13 19:54:08,544 INFO L354 Elim1Store]: treesize reduction 112, result has 15.8 percent of original size [2021-10-13 19:54:08,545 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 104 treesize of output 115 [2021-10-13 19:54:08,674 INFO L354 Elim1Store]: treesize reduction 108, result has 31.2 percent of original size [2021-10-13 19:54:08,674 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 103 treesize of output 140 [2021-10-13 19:54:09,725 INFO L354 Elim1Store]: treesize reduction 160, result has 14.0 percent of original size [2021-10-13 19:54:09,726 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 15 case distinctions, treesize of input 158 treesize of output 172 [2021-10-13 19:54:09,837 INFO L354 Elim1Store]: treesize reduction 100, result has 17.4 percent of original size [2021-10-13 19:54:09,838 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 157 treesize of output 165 [2021-10-13 19:54:14,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 19:54:14,776 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 19:54:19,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 19:54:19,328 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1695524] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 19:54:19,328 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 19:54:19,329 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 6 [2021-10-13 19:54:19,329 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028808467] [2021-10-13 19:54:19,329 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-13 19:54:19,329 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 19:54:19,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-13 19:54:19,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=71, Unknown=7, NotChecked=0, Total=110 [2021-10-13 19:54:19,331 INFO L87 Difference]: Start difference. First operand 5405 states and 19576 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) [2021-10-13 19:54:34,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 19:54:34,753 INFO L93 Difference]: Finished difference Result 4032 states and 13885 transitions. [2021-10-13 19:54:34,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 19:54:34,755 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 [2021-10-13 19:54:34,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 19:54:34,776 INFO L225 Difference]: With dead ends: 4032 [2021-10-13 19:54:34,776 INFO L226 Difference]: Without dead ends: 4032 [2021-10-13 19:54:34,777 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 17141.9ms TimeCoverageRelationStatistics Valid=40, Invalid=85, Unknown=7, NotChecked=0, Total=132 [2021-10-13 19:54:34,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4032 states. [2021-10-13 19:54:34,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4032 to 4032. [2021-10-13 19:54:34,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4032 states, 3344 states have (on average 4.152212918660287) internal successors, (13885), 4031 states have internal predecessors, (13885), 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) [2021-10-13 19:54:34,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4032 states to 4032 states and 13885 transitions. [2021-10-13 19:54:34,911 INFO L78 Accepts]: Start accepts. Automaton has 4032 states and 13885 transitions. Word has length 4 [2021-10-13 19:54:34,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 19:54:34,911 INFO L470 AbstractCegarLoop]: Abstraction has 4032 states and 13885 transitions. [2021-10-13 19:54:34,911 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) [2021-10-13 19:54:34,912 INFO L276 IsEmpty]: Start isEmpty. Operand 4032 states and 13885 transitions. [2021-10-13 19:54:34,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-13 19:54:34,912 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 19:54:34,912 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-10-13 19:54:34,918 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2021-10-13 19:54:35,163 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-10-13 19:54:35,340 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-13 19:54:35,528 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt,8 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,6 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-13 19:54:35,529 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 67 more)] === [2021-10-13 19:54:35,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 19:54:35,530 INFO L82 PathProgramCache]: Analyzing trace with hash -856472924, now seen corresponding path program 1 times [2021-10-13 19:54:35,531 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 19:54:35,531 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1416995313] [2021-10-13 19:54:35,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 19:54:35,532 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 19:54:35,532 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-13 19:54:35,533 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 19:54:35,535 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-13 19:54:35,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 19:54:35,680 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-13 19:54:35,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 19:54:35,753 INFO L354 Elim1Store]: treesize reduction 84, result has 22.9 percent of original size [2021-10-13 19:54:35,754 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 36 treesize of output 48 [2021-10-13 19:54:35,901 INFO L354 Elim1Store]: treesize reduction 30, result has 36.2 percent of original size [2021-10-13 19:54:35,901 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 32 treesize of output 43 [2021-10-13 19:54:36,033 INFO L354 Elim1Store]: treesize reduction 30, result has 36.2 percent of original size [2021-10-13 19:54:36,034 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 37 treesize of output 48 [2021-10-13 19:54:36,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 19:54:36,353 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 19:54:36,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 19:54:36,478 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 19:54:36,478 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1416995313] [2021-10-13 19:54:36,478 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1416995313] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 19:54:36,478 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 19:54:36,478 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 4 [2021-10-13 19:54:36,478 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602502298] [2021-10-13 19:54:36,479 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 19:54:36,479 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 19:54:36,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 19:54:36,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-13 19:54:36,479 INFO L87 Difference]: Start difference. First operand 4032 states and 13885 transitions. Second operand has 6 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 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) [2021-10-13 19:54:37,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 19:54:37,101 INFO L93 Difference]: Finished difference Result 3920 states and 13555 transitions. [2021-10-13 19:54:37,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 19:54:37,103 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 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 6 [2021-10-13 19:54:37,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 19:54:37,121 INFO L225 Difference]: With dead ends: 3920 [2021-10-13 19:54:37,122 INFO L226 Difference]: Without dead ends: 3920 [2021-10-13 19:54:37,122 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 175.0ms TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-13 19:54:37,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3920 states. [2021-10-13 19:54:37,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3920 to 3920. [2021-10-13 19:54:37,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3920 states, 3286 states have (on average 4.12507608034084) internal successors, (13555), 3919 states have internal predecessors, (13555), 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) [2021-10-13 19:54:37,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3920 states to 3920 states and 13555 transitions. [2021-10-13 19:54:37,254 INFO L78 Accepts]: Start accepts. Automaton has 3920 states and 13555 transitions. Word has length 6 [2021-10-13 19:54:37,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 19:54:37,255 INFO L470 AbstractCegarLoop]: Abstraction has 3920 states and 13555 transitions. [2021-10-13 19:54:37,255 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 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) [2021-10-13 19:54:37,255 INFO L276 IsEmpty]: Start isEmpty. Operand 3920 states and 13555 transitions. [2021-10-13 19:54:37,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-13 19:54:37,256 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 19:54:37,256 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-10-13 19:54:37,272 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-10-13 19:54:37,469 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-13 19:54:37,470 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 67 more)] === [2021-10-13 19:54:37,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 19:54:37,470 INFO L82 PathProgramCache]: Analyzing trace with hash -856472923, now seen corresponding path program 1 times [2021-10-13 19:54:37,471 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 19:54:37,471 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [37750917] [2021-10-13 19:54:37,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 19:54:37,471 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 19:54:37,471 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-13 19:54:37,472 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 19:54:37,508 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-10-13 19:54:37,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 19:54:37,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-13 19:54:37,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 19:54:38,018 INFO L354 Elim1Store]: treesize reduction 233, result has 21.3 percent of original size [2021-10-13 19:54:38,019 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 42 treesize of output 88 [2021-10-13 19:54:38,027 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 88 [2021-10-13 19:54:39,252 INFO L354 Elim1Store]: treesize reduction 84, result has 36.8 percent of original size [2021-10-13 19:54:39,253 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 53 treesize of output 92 [2021-10-13 19:54:50,538 INFO L354 Elim1Store]: treesize reduction 84, result has 36.8 percent of original size [2021-10-13 19:54:50,539 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 56 treesize of output 95 [2021-10-13 19:55:19,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 19:55:19,653 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 19:55:20,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 19:55:20,491 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 19:55:20,491 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [37750917] [2021-10-13 19:55:20,491 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [37750917] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 19:55:20,491 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 19:55:20,491 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 4 [2021-10-13 19:55:20,492 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663950830] [2021-10-13 19:55:20,492 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 19:55:20,492 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 19:55:20,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 19:55:20,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=17, Unknown=1, NotChecked=0, Total=30 [2021-10-13 19:55:20,493 INFO L87 Difference]: Start difference. First operand 3920 states and 13555 transitions. Second operand has 6 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 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) [2021-10-13 19:55:40,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 19:55:40,317 INFO L93 Difference]: Finished difference Result 3808 states and 13225 transitions. [2021-10-13 19:55:40,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 19:55:40,319 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 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 6 [2021-10-13 19:55:40,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 19:55:40,342 INFO L225 Difference]: With dead ends: 3808 [2021-10-13 19:55:40,342 INFO L226 Difference]: Without dead ends: 3808 [2021-10-13 19:55:40,343 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 3538.1ms TimeCoverageRelationStatistics Valid=17, Invalid=24, Unknown=1, NotChecked=0, Total=42 [2021-10-13 19:55:40,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3808 states. [2021-10-13 19:55:40,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3808 to 3808. [2021-10-13 19:55:40,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3808 states, 3228 states have (on average 4.096964064436183) internal successors, (13225), 3807 states have internal predecessors, (13225), 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) [2021-10-13 19:55:40,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3808 states to 3808 states and 13225 transitions. [2021-10-13 19:55:40,587 INFO L78 Accepts]: Start accepts. Automaton has 3808 states and 13225 transitions. Word has length 6 [2021-10-13 19:55:40,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 19:55:40,588 INFO L470 AbstractCegarLoop]: Abstraction has 3808 states and 13225 transitions. [2021-10-13 19:55:40,590 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 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) [2021-10-13 19:55:40,590 INFO L276 IsEmpty]: Start isEmpty. Operand 3808 states and 13225 transitions. [2021-10-13 19:55:40,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-13 19:55:40,591 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 19:55:40,591 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-13 19:55:40,609 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-10-13 19:55:40,809 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-13 19:55:40,809 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err2REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 67 more)] === [2021-10-13 19:55:40,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 19:55:40,810 INFO L82 PathProgramCache]: Analyzing trace with hash -780863431, now seen corresponding path program 1 times [2021-10-13 19:55:40,810 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 19:55:40,811 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [306094478] [2021-10-13 19:55:40,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 19:55:40,811 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 19:55:40,811 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-13 19:55:40,812 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 19:55:40,820 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-10-13 19:55:40,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 19:55:40,967 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-13 19:55:40,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 19:55:41,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 19:55:41,073 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 19:55:41,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 19:55:41,149 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 19:55:41,149 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [306094478] [2021-10-13 19:55:41,149 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [306094478] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 19:55:41,149 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 19:55:41,149 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 6 [2021-10-13 19:55:41,149 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411113617] [2021-10-13 19:55:41,150 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-13 19:55:41,150 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 19:55:41,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-13 19:55:41,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2021-10-13 19:55:41,151 INFO L87 Difference]: Start difference. First operand 3808 states and 13225 transitions. Second operand has 8 states, 7 states have (on average 2.0) internal successors, (14), 7 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 19:55:41,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 19:55:41,784 INFO L93 Difference]: Finished difference Result 4813 states and 16290 transitions. [2021-10-13 19:55:41,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 19:55:41,788 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 2.0) internal successors, (14), 7 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2021-10-13 19:55:41,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 19:55:41,815 INFO L225 Difference]: With dead ends: 4813 [2021-10-13 19:55:41,816 INFO L226 Difference]: Without dead ends: 4813 [2021-10-13 19:55:41,816 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 82.7ms TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2021-10-13 19:55:41,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4813 states. [2021-10-13 19:55:41,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4813 to 4331. [2021-10-13 19:55:41,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4331 states, 3751 states have (on average 4.0010663822980534) internal successors, (15008), 4330 states have internal predecessors, (15008), 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) [2021-10-13 19:55:41,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4331 states to 4331 states and 15008 transitions. [2021-10-13 19:55:41,988 INFO L78 Accepts]: Start accepts. Automaton has 4331 states and 15008 transitions. Word has length 7 [2021-10-13 19:55:41,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 19:55:41,988 INFO L470 AbstractCegarLoop]: Abstraction has 4331 states and 15008 transitions. [2021-10-13 19:55:41,988 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.0) internal successors, (14), 7 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 19:55:41,988 INFO L276 IsEmpty]: Start isEmpty. Operand 4331 states and 15008 transitions. [2021-10-13 19:55:41,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-13 19:55:41,989 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 19:55:41,989 INFO L512 BasicCegarLoop]: trace histogram [6, 1, 1] [2021-10-13 19:55:42,003 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-10-13 19:55:42,204 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-13 19:55:42,204 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 67 more)] === [2021-10-13 19:55:42,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 19:55:42,205 INFO L82 PathProgramCache]: Analyzing trace with hash -238745418, now seen corresponding path program 2 times [2021-10-13 19:55:42,205 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 19:55:42,206 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1989242937] [2021-10-13 19:55:42,206 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-13 19:55:42,206 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 19:55:42,206 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-13 19:55:42,208 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 19:55:42,243 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-10-13 19:55:42,380 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-13 19:55:42,380 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-13 19:55:42,388 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 15 conjunts are in the unsatisfiable core [2021-10-13 19:55:42,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 19:55:42,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 19:55:42,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 19:55:42,794 INFO L354 Elim1Store]: treesize reduction 229, result has 22.6 percent of original size [2021-10-13 19:55:42,795 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 23 treesize of output 74 [2021-10-13 19:55:43,253 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 19:55:43,253 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 19:55:45,139 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 19:55:45,140 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 19:55:45,140 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1989242937] [2021-10-13 19:55:45,140 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1989242937] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 19:55:45,140 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 19:55:45,140 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2021-10-13 19:55:45,141 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854558533] [2021-10-13 19:55:45,141 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-10-13 19:55:45,141 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 19:55:45,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-10-13 19:55:45,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2021-10-13 19:55:45,142 INFO L87 Difference]: Start difference. First operand 4331 states and 15008 transitions. Second operand has 16 states, 15 states have (on average 1.0666666666666667) internal successors, (16), 15 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 19:56:29,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 19:56:29,283 INFO L93 Difference]: Finished difference Result 42977 states and 149432 transitions. [2021-10-13 19:56:29,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-10-13 19:56:29,285 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.0666666666666667) internal successors, (16), 15 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-10-13 19:56:29,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 19:56:29,558 INFO L225 Difference]: With dead ends: 42977 [2021-10-13 19:56:29,558 INFO L226 Difference]: Without dead ends: 42977 [2021-10-13 19:56:29,559 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 7109.7ms TimeCoverageRelationStatistics Valid=187, Invalid=319, Unknown=0, NotChecked=0, Total=506 [2021-10-13 19:56:29,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42977 states. [2021-10-13 19:56:30,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42977 to 4349. [2021-10-13 19:56:30,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4349 states, 3769 states have (on average 3.9915096842663838) internal successors, (15044), 4348 states have internal predecessors, (15044), 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) [2021-10-13 19:56:30,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4349 states to 4349 states and 15044 transitions. [2021-10-13 19:56:30,142 INFO L78 Accepts]: Start accepts. Automaton has 4349 states and 15044 transitions. Word has length 8 [2021-10-13 19:56:30,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 19:56:30,142 INFO L470 AbstractCegarLoop]: Abstraction has 4349 states and 15044 transitions. [2021-10-13 19:56:30,143 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 1.0666666666666667) internal successors, (16), 15 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 19:56:30,143 INFO L276 IsEmpty]: Start isEmpty. Operand 4349 states and 15044 transitions. [2021-10-13 19:56:30,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-13 19:56:30,145 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 19:56:30,145 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 19:56:30,164 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-10-13 19:56:30,358 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-13 19:56:30,359 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err2REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 67 more)] === [2021-10-13 19:56:30,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 19:56:30,359 INFO L82 PathProgramCache]: Analyzing trace with hash 789208291, now seen corresponding path program 1 times [2021-10-13 19:56:30,360 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 19:56:30,360 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2109063956] [2021-10-13 19:56:30,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 19:56:30,361 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 19:56:30,361 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-13 19:56:30,362 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 19:56:30,363 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-10-13 19:56:30,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 19:56:30,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-13 19:56:30,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 19:56:30,605 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 19:56:30,606 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 19:56:30,670 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 19:56:30,670 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 19:56:30,670 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2109063956] [2021-10-13 19:56:30,670 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2109063956] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 19:56:30,671 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 19:56:30,671 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-10-13 19:56:30,671 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713268295] [2021-10-13 19:56:30,671 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-13 19:56:30,672 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 19:56:30,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-13 19:56:30,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2021-10-13 19:56:30,672 INFO L87 Difference]: Start difference. First operand 4349 states and 15044 transitions. Second operand has 8 states, 7 states have (on average 2.0) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 19:56:31,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 19:56:31,380 INFO L93 Difference]: Finished difference Result 5868 states and 19874 transitions. [2021-10-13 19:56:31,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 19:56:31,382 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 2.0) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-10-13 19:56:31,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 19:56:31,409 INFO L225 Difference]: With dead ends: 5868 [2021-10-13 19:56:31,410 INFO L226 Difference]: Without dead ends: 5868 [2021-10-13 19:56:31,410 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 66.6ms TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2021-10-13 19:56:31,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5868 states. [2021-10-13 19:56:31,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5868 to 4349. [2021-10-13 19:56:31,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4349 states, 3769 states have (on average 3.9915096842663838) internal successors, (15044), 4348 states have internal predecessors, (15044), 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) [2021-10-13 19:56:31,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4349 states to 4349 states and 15044 transitions. [2021-10-13 19:56:31,580 INFO L78 Accepts]: Start accepts. Automaton has 4349 states and 15044 transitions. Word has length 8 [2021-10-13 19:56:31,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 19:56:31,580 INFO L470 AbstractCegarLoop]: Abstraction has 4349 states and 15044 transitions. [2021-10-13 19:56:31,580 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.0) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 19:56:31,581 INFO L276 IsEmpty]: Start isEmpty. Operand 4349 states and 15044 transitions. [2021-10-13 19:56:31,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-13 19:56:31,581 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 19:56:31,582 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 19:56:31,597 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-10-13 19:56:31,798 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-13 19:56:31,798 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr11REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 67 more)] === [2021-10-13 19:56:31,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 19:56:31,799 INFO L82 PathProgramCache]: Analyzing trace with hash 1563274517, now seen corresponding path program 1 times [2021-10-13 19:56:31,799 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 19:56:31,800 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1754337737] [2021-10-13 19:56:31,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 19:56:31,800 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 19:56:31,800 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-13 19:56:31,802 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 19:56:31,811 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-10-13 19:56:32,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 19:56:32,045 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-13 19:56:32,047 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 19:56:32,378 INFO L354 Elim1Store]: treesize reduction 241, result has 18.6 percent of original size [2021-10-13 19:56:32,379 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 42 treesize of output 80 [2021-10-13 19:56:32,385 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 83 treesize of output 81 [2021-10-13 19:56:32,875 INFO L354 Elim1Store]: treesize reduction 100, result has 24.8 percent of original size [2021-10-13 19:56:32,876 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 46 treesize of output 69 [2021-10-13 19:56:36,078 INFO L354 Elim1Store]: treesize reduction 120, result has 35.5 percent of original size [2021-10-13 19:56:36,078 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 15 case distinctions, treesize of input 71 treesize of output 125 [2021-10-13 19:58:13,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 19:58:13,459 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 19:58:14,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 19:58:14,153 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 19:58:14,153 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1754337737] [2021-10-13 19:58:14,153 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1754337737] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 19:58:14,154 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 19:58:14,154 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 2] imperfect sequences [] total 5 [2021-10-13 19:58:14,154 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889081483] [2021-10-13 19:58:14,155 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-13 19:58:14,155 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 19:58:14,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-13 19:58:14,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=23, Unknown=2, NotChecked=0, Total=42 [2021-10-13 19:58:14,156 INFO L87 Difference]: Start difference. First operand 4349 states and 15044 transitions. Second operand has 7 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 19:58:30,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 19:58:30,986 INFO L93 Difference]: Finished difference Result 4118 states and 14328 transitions. [2021-10-13 19:58:30,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 19:58:30,988 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-10-13 19:58:30,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 19:58:31,002 INFO L225 Difference]: With dead ends: 4118 [2021-10-13 19:58:31,002 INFO L226 Difference]: Without dead ends: 4118 [2021-10-13 19:58:31,002 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 4552.3ms TimeCoverageRelationStatistics Valid=17, Invalid=23, Unknown=2, NotChecked=0, Total=42 [2021-10-13 19:58:31,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4118 states. [2021-10-13 19:58:31,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4118 to 4118. [2021-10-13 19:58:31,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4118 states, 3624 states have (on average 3.9536423841059603) internal successors, (14328), 4117 states have internal predecessors, (14328), 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) [2021-10-13 19:58:31,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4118 states to 4118 states and 14328 transitions. [2021-10-13 19:58:31,132 INFO L78 Accepts]: Start accepts. Automaton has 4118 states and 14328 transitions. Word has length 8 [2021-10-13 19:58:31,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 19:58:31,134 INFO L470 AbstractCegarLoop]: Abstraction has 4118 states and 14328 transitions. [2021-10-13 19:58:31,134 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 19:58:31,134 INFO L276 IsEmpty]: Start isEmpty. Operand 4118 states and 14328 transitions. [2021-10-13 19:58:31,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-13 19:58:31,135 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 19:58:31,135 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 19:58:31,149 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-10-13 19:58:31,346 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-13 19:58:31,347 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr10REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 67 more)] === [2021-10-13 19:58:31,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 19:58:31,348 INFO L82 PathProgramCache]: Analyzing trace with hash 1563274518, now seen corresponding path program 1 times [2021-10-13 19:58:31,348 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 19:58:31,348 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [760338423] [2021-10-13 19:58:31,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 19:58:31,349 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 19:58:31,349 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-13 19:58:31,351 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 19:58:31,353 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-10-13 19:58:31,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 19:58:31,555 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-13 19:58:31,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 19:58:31,624 INFO L354 Elim1Store]: treesize reduction 84, result has 22.9 percent of original size [2021-10-13 19:58:31,625 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 37 treesize of output 49 [2021-10-13 19:58:31,810 INFO L354 Elim1Store]: treesize reduction 92, result has 26.4 percent of original size [2021-10-13 19:58:31,810 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 59 treesize of output 82 [2021-10-13 19:58:32,041 INFO L354 Elim1Store]: treesize reduction 30, result has 36.2 percent of original size [2021-10-13 19:58:32,042 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 40 treesize of output 51 [2021-10-13 19:58:32,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 19:58:32,301 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 19:58:32,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 19:58:32,397 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 19:58:32,397 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [760338423] [2021-10-13 19:58:32,398 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [760338423] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 19:58:32,398 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 19:58:32,398 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 4 [2021-10-13 19:58:32,398 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401679762] [2021-10-13 19:58:32,398 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 19:58:32,398 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 19:58:32,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 19:58:32,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-10-13 19:58:32,399 INFO L87 Difference]: Start difference. First operand 4118 states and 14328 transitions. Second operand has 6 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 19:58:33,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 19:58:33,303 INFO L93 Difference]: Finished difference Result 3887 states and 13612 transitions. [2021-10-13 19:58:33,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 19:58:33,304 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-10-13 19:58:33,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 19:58:33,317 INFO L225 Difference]: With dead ends: 3887 [2021-10-13 19:58:33,317 INFO L226 Difference]: Without dead ends: 3887 [2021-10-13 19:58:33,317 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 231.0ms TimeCoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2021-10-13 19:58:33,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3887 states. [2021-10-13 19:58:33,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3887 to 3887. [2021-10-13 19:58:33,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3887 states, 3479 states have (on average 3.912618568554182) internal successors, (13612), 3886 states have internal predecessors, (13612), 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) [2021-10-13 19:58:33,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3887 states to 3887 states and 13612 transitions. [2021-10-13 19:58:33,426 INFO L78 Accepts]: Start accepts. Automaton has 3887 states and 13612 transitions. Word has length 8 [2021-10-13 19:58:33,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 19:58:33,427 INFO L470 AbstractCegarLoop]: Abstraction has 3887 states and 13612 transitions. [2021-10-13 19:58:33,427 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 19:58:33,427 INFO L276 IsEmpty]: Start isEmpty. Operand 3887 states and 13612 transitions. [2021-10-13 19:58:33,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-13 19:58:33,428 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 19:58:33,428 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 19:58:33,445 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2021-10-13 19:58:33,641 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-13 19:58:33,642 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err2REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 67 more)] === [2021-10-13 19:58:33,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 19:58:33,642 INFO L82 PathProgramCache]: Analyzing trace with hash 1783191630, now seen corresponding path program 1 times [2021-10-13 19:58:33,643 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 19:58:33,643 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [390722745] [2021-10-13 19:58:33,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 19:58:33,644 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 19:58:33,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-13 19:58:33,645 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 19:58:33,646 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-10-13 19:58:33,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 19:58:33,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 19:58:33,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 19:58:33,947 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-10-13 19:58:33,973 INFO L354 Elim1Store]: treesize reduction 12, result has 40.0 percent of original size [2021-10-13 19:58:33,973 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 1 case distinctions, treesize of input 15 treesize of output 20 [2021-10-13 19:58:34,000 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-13 19:58:34,000 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 19:58:34,036 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-13 19:58:34,036 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 19:58:34,036 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [390722745] [2021-10-13 19:58:34,036 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [390722745] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 19:58:34,036 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 19:58:34,036 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-13 19:58:34,036 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346500546] [2021-10-13 19:58:34,037 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 19:58:34,037 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 19:58:34,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 19:58:34,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-13 19:58:34,038 INFO L87 Difference]: Start difference. First operand 3887 states and 13612 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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) [2021-10-13 19:58:34,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 19:58:34,480 INFO L93 Difference]: Finished difference Result 3013 states and 10514 transitions. [2021-10-13 19:58:34,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 19:58:34,481 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-10-13 19:58:34,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 19:58:34,489 INFO L225 Difference]: With dead ends: 3013 [2021-10-13 19:58:34,490 INFO L226 Difference]: Without dead ends: 3013 [2021-10-13 19:58:34,490 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 12 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 32.4ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-13 19:58:34,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3013 states. [2021-10-13 19:58:34,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3013 to 3013. [2021-10-13 19:58:34,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3013 states, 2758 states have (on average 3.8121827411167515) internal successors, (10514), 3012 states have internal predecessors, (10514), 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) [2021-10-13 19:58:34,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3013 states to 3013 states and 10514 transitions. [2021-10-13 19:58:34,563 INFO L78 Accepts]: Start accepts. Automaton has 3013 states and 10514 transitions. Word has length 9 [2021-10-13 19:58:34,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 19:58:34,563 INFO L470 AbstractCegarLoop]: Abstraction has 3013 states and 10514 transitions. [2021-10-13 19:58:34,564 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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) [2021-10-13 19:58:34,564 INFO L276 IsEmpty]: Start isEmpty. Operand 3013 states and 10514 transitions. [2021-10-13 19:58:34,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-13 19:58:34,565 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 19:58:34,565 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 19:58:34,577 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2021-10-13 19:58:34,772 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-13 19:58:34,774 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting thread1Err3REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 67 more)] === [2021-10-13 19:58:34,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 19:58:34,774 INFO L82 PathProgramCache]: Analyzing trace with hash 1783191631, now seen corresponding path program 1 times [2021-10-13 19:58:34,775 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 19:58:34,775 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1855811311] [2021-10-13 19:58:34,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 19:58:34,776 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 19:58:34,776 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-13 19:58:34,777 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 19:58:34,781 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-10-13 19:58:35,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 19:58:35,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 16 conjunts are in the unsatisfiable core [2021-10-13 19:58:35,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 19:58:35,124 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-10-13 19:58:35,137 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-10-13 19:58:35,265 INFO L354 Elim1Store]: treesize reduction 17, result has 22.7 percent of original size [2021-10-13 19:58:35,265 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 1 case distinctions, treesize of input 41 treesize of output 43 [2021-10-13 19:58:35,282 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-10-13 19:58:35,283 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 40 [2021-10-13 19:58:37,515 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 19:58:37,515 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 19:58:38,189 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 19:58:38,190 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 19:58:38,190 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1855811311] [2021-10-13 19:58:38,190 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1855811311] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 19:58:38,190 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 19:58:38,190 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-10-13 19:58:38,191 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889865454] [2021-10-13 19:58:38,191 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-13 19:58:38,191 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 19:58:38,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-13 19:58:38,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-10-13 19:58:38,192 INFO L87 Difference]: Start difference. First operand 3013 states and 10514 transitions. Second operand has 10 states, 9 states have (on average 1.7777777777777777) internal successors, (16), 10 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 19:59:09,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 19:59:09,735 INFO L93 Difference]: Finished difference Result 48779 states and 171156 transitions. [2021-10-13 19:59:09,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-10-13 19:59:09,736 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.7777777777777777) internal successors, (16), 10 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-10-13 19:59:09,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 19:59:10,057 INFO L225 Difference]: With dead ends: 48779 [2021-10-13 19:59:10,057 INFO L226 Difference]: Without dead ends: 48779 [2021-10-13 19:59:10,059 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 363 ImplicationChecksByTransitivity, 22907.1ms TimeCoverageRelationStatistics Valid=335, Invalid=997, Unknown=0, NotChecked=0, Total=1332 [2021-10-13 19:59:10,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48779 states. [2021-10-13 19:59:11,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48779 to 3222. [2021-10-13 19:59:11,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3222 states, 3003 states have (on average 3.936063936063936) internal successors, (11820), 3221 states have internal predecessors, (11820), 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) [2021-10-13 19:59:11,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3222 states to 3222 states and 11820 transitions. [2021-10-13 19:59:11,026 INFO L78 Accepts]: Start accepts. Automaton has 3222 states and 11820 transitions. Word has length 9 [2021-10-13 19:59:11,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 19:59:11,026 INFO L470 AbstractCegarLoop]: Abstraction has 3222 states and 11820 transitions. [2021-10-13 19:59:11,027 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.7777777777777777) internal successors, (16), 10 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 19:59:11,027 INFO L276 IsEmpty]: Start isEmpty. Operand 3222 states and 11820 transitions. [2021-10-13 19:59:11,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-13 19:59:11,027 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 19:59:11,027 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 19:59:11,039 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2021-10-13 19:59:11,238 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-13 19:59:11,239 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting thread1Err0REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 67 more)] === [2021-10-13 19:59:11,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 19:59:11,239 INFO L82 PathProgramCache]: Analyzing trace with hash 1783191432, now seen corresponding path program 1 times [2021-10-13 19:59:11,240 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 19:59:11,240 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1066636740] [2021-10-13 19:59:11,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 19:59:11,240 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 19:59:11,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-13 19:59:11,241 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 19:59:11,306 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2021-10-13 19:59:11,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 19:59:11,547 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-13 19:59:11,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 19:59:11,608 INFO L354 Elim1Store]: treesize reduction 84, result has 22.9 percent of original size [2021-10-13 19:59:11,609 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 15 treesize of output 30 [2021-10-13 19:59:11,671 INFO L354 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2021-10-13 19:59:11,672 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 32 [2021-10-13 19:59:11,759 INFO L354 Elim1Store]: treesize reduction 30, result has 36.2 percent of original size [2021-10-13 19:59:11,759 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 38 treesize of output 49 [2021-10-13 19:59:11,886 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-13 19:59:11,886 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 19:59:13,991 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-13 19:59:13,991 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 19:59:13,992 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1066636740] [2021-10-13 19:59:13,992 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1066636740] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 19:59:13,992 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 19:59:13,992 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 4 [2021-10-13 19:59:13,992 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868711566] [2021-10-13 19:59:13,993 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 19:59:13,993 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 19:59:13,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 19:59:13,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=18, Unknown=1, NotChecked=0, Total=30 [2021-10-13 19:59:13,994 INFO L87 Difference]: Start difference. First operand 3222 states and 11820 transitions. Second operand has 6 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 19:59:14,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 19:59:14,579 INFO L93 Difference]: Finished difference Result 2438 states and 8838 transitions. [2021-10-13 19:59:14,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 19:59:14,581 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-10-13 19:59:14,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 19:59:14,591 INFO L225 Difference]: With dead ends: 2438 [2021-10-13 19:59:14,591 INFO L226 Difference]: Without dead ends: 2438 [2021-10-13 19:59:14,594 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 2131.7ms TimeCoverageRelationStatistics Valid=17, Invalid=24, Unknown=1, NotChecked=0, Total=42 [2021-10-13 19:59:14,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2438 states. [2021-10-13 19:59:14,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2438 to 2438. [2021-10-13 19:59:14,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2438 states, 2323 states have (on average 3.8045630650021525) internal successors, (8838), 2437 states have internal predecessors, (8838), 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) [2021-10-13 19:59:14,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2438 states to 2438 states and 8838 transitions. [2021-10-13 19:59:14,671 INFO L78 Accepts]: Start accepts. Automaton has 2438 states and 8838 transitions. Word has length 9 [2021-10-13 19:59:14,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 19:59:14,671 INFO L470 AbstractCegarLoop]: Abstraction has 2438 states and 8838 transitions. [2021-10-13 19:59:14,672 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 19:59:14,672 INFO L276 IsEmpty]: Start isEmpty. Operand 2438 states and 8838 transitions. [2021-10-13 19:59:14,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-13 19:59:14,673 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 19:59:14,673 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 19:59:14,689 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (18)] Ended with exit code 0 [2021-10-13 19:59:14,888 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-13 19:59:14,889 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting thread1Err1REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 67 more)] === [2021-10-13 19:59:14,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 19:59:14,889 INFO L82 PathProgramCache]: Analyzing trace with hash 1783191433, now seen corresponding path program 1 times [2021-10-13 19:59:14,901 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 19:59:14,902 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [935444556] [2021-10-13 19:59:14,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 19:59:14,902 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 19:59:14,902 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-13 19:59:14,908 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 19:59:14,939 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2021-10-13 19:59:15,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 19:59:15,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 19 conjunts are in the unsatisfiable core [2021-10-13 19:59:15,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 19:59:15,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 19:59:15,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 19:59:15,546 INFO L354 Elim1Store]: treesize reduction 229, result has 22.6 percent of original size [2021-10-13 19:59:15,546 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 39 treesize of output 89 [2021-10-13 19:59:15,637 INFO L354 Elim1Store]: treesize reduction 84, result has 22.9 percent of original size [2021-10-13 19:59:15,637 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 89 treesize of output 103 [2021-10-13 19:59:15,830 INFO L354 Elim1Store]: treesize reduction 17, result has 22.7 percent of original size [2021-10-13 19:59:15,831 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 1 case distinctions, treesize of input 48 treesize of output 50 [2021-10-13 19:59:15,855 INFO L354 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2021-10-13 19:59:15,856 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 47 treesize of output 54 [2021-10-13 19:59:16,067 INFO L354 Elim1Store]: treesize reduction 40, result has 21.6 percent of original size [2021-10-13 19:59:16,068 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 70 treesize of output 75 [2021-10-13 19:59:16,100 INFO L354 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2021-10-13 19:59:16,100 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 71 [2021-10-13 19:59:22,598 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 19:59:22,598 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 19:59:25,898 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 19:59:25,899 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 19:59:25,899 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [935444556] [2021-10-13 19:59:25,899 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [935444556] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 19:59:25,899 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 19:59:25,899 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2021-10-13 19:59:25,900 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382314139] [2021-10-13 19:59:25,900 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-10-13 19:59:25,900 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 19:59:25,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-10-13 19:59:25,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=100, Unknown=2, NotChecked=0, Total=132 [2021-10-13 19:59:25,902 INFO L87 Difference]: Start difference. First operand 2438 states and 8838 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 19:59:34,578 WARN L207 SmtUtils]: Spent 8.43 s on a formula simplification. DAG size of input: 42 DAG size of output: 41 [2021-10-13 20:00:12,996 WARN L207 SmtUtils]: Spent 8.85 s on a formula simplification. DAG size of input: 79 DAG size of output: 78 [2021-10-13 20:00:28,747 WARN L207 SmtUtils]: Spent 7.23 s on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2021-10-13 20:00:44,982 WARN L207 SmtUtils]: Spent 12.04 s on a formula simplification. DAG size of input: 90 DAG size of output: 89 [2021-10-13 20:00:53,008 WARN L207 SmtUtils]: Spent 5.17 s on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-10-13 20:01:50,514 WARN L207 SmtUtils]: Spent 7.39 s on a formula simplification. DAG size of input: 64 DAG size of output: 63 [2021-10-13 20:02:16,444 WARN L207 SmtUtils]: Spent 5.88 s on a formula simplification. DAG size of input: 96 DAG size of output: 95 [2021-10-13 20:02:22,735 WARN L207 SmtUtils]: Spent 5.56 s on a formula simplification. DAG size of input: 51 DAG size of output: 50 [2021-10-13 20:02:31,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 20:02:31,338 INFO L93 Difference]: Finished difference Result 35889 states and 127549 transitions. [2021-10-13 20:02:31,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-10-13 20:02:31,340 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-10-13 20:02:31,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 20:02:31,503 INFO L225 Difference]: With dead ends: 35889 [2021-10-13 20:02:31,504 INFO L226 Difference]: Without dead ends: 35889 [2021-10-13 20:02:31,504 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 691 ImplicationChecksByTransitivity, 149046.6ms TimeCoverageRelationStatistics Valid=553, Invalid=1777, Unknown=22, NotChecked=0, Total=2352 [2021-10-13 20:02:31,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35889 states. [2021-10-13 20:02:31,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35889 to 2979. [2021-10-13 20:02:31,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2979 states, 2892 states have (on average 3.870331950207469) internal successors, (11193), 2978 states have internal predecessors, (11193), 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) [2021-10-13 20:02:31,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2979 states to 2979 states and 11193 transitions. [2021-10-13 20:02:31,924 INFO L78 Accepts]: Start accepts. Automaton has 2979 states and 11193 transitions. Word has length 9 [2021-10-13 20:02:31,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 20:02:31,925 INFO L470 AbstractCegarLoop]: Abstraction has 2979 states and 11193 transitions. [2021-10-13 20:02:31,925 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 20:02:31,925 INFO L276 IsEmpty]: Start isEmpty. Operand 2979 states and 11193 transitions. [2021-10-13 20:02:31,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-13 20:02:31,926 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 20:02:31,926 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 20:02:31,940 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2021-10-13 20:02:32,139 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-13 20:02:32,140 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting thread2Err2REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 67 more)] === [2021-10-13 20:02:32,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 20:02:32,141 INFO L82 PathProgramCache]: Analyzing trace with hash 1216862963, now seen corresponding path program 1 times [2021-10-13 20:02:32,142 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 20:02:32,142 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1754203472] [2021-10-13 20:02:32,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 20:02:32,142 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 20:02:32,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-13 20:02:32,145 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 20:02:32,146 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2021-10-13 20:02:32,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 20:02:32,351 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 20:02:32,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 20:02:32,362 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-10-13 20:02:32,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 20:02:32,401 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 20:02:32,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 20:02:32,427 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 20:02:32,427 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1754203472] [2021-10-13 20:02:32,427 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1754203472] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 20:02:32,427 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 20:02:32,427 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-13 20:02:32,427 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323972459] [2021-10-13 20:02:32,427 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 20:02:32,428 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 20:02:32,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 20:02:32,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-13 20:02:32,428 INFO L87 Difference]: Start difference. First operand 2979 states and 11193 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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) [2021-10-13 20:02:32,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 20:02:32,786 INFO L93 Difference]: Finished difference Result 2165 states and 8079 transitions. [2021-10-13 20:02:32,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 20:02:32,787 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-10-13 20:02:32,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 20:02:32,794 INFO L225 Difference]: With dead ends: 2165 [2021-10-13 20:02:32,794 INFO L226 Difference]: Without dead ends: 2165 [2021-10-13 20:02:32,794 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 17.8ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-13 20:02:32,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2165 states. [2021-10-13 20:02:32,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2165 to 2165. [2021-10-13 20:02:32,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2165 states, 2117 states have (on average 3.8162494095418045) internal successors, (8079), 2164 states have internal predecessors, (8079), 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) [2021-10-13 20:02:32,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2165 states to 2165 states and 8079 transitions. [2021-10-13 20:02:32,837 INFO L78 Accepts]: Start accepts. Automaton has 2165 states and 8079 transitions. Word has length 9 [2021-10-13 20:02:32,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 20:02:32,837 INFO L470 AbstractCegarLoop]: Abstraction has 2165 states and 8079 transitions. [2021-10-13 20:02:32,837 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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) [2021-10-13 20:02:32,837 INFO L276 IsEmpty]: Start isEmpty. Operand 2165 states and 8079 transitions. [2021-10-13 20:02:32,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-13 20:02:32,838 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 20:02:32,838 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 20:02:32,852 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2021-10-13 20:02:33,038 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-13 20:02:33,039 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting thread2Err3REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 67 more)] === [2021-10-13 20:02:33,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 20:02:33,040 INFO L82 PathProgramCache]: Analyzing trace with hash 1216862964, now seen corresponding path program 1 times [2021-10-13 20:02:33,040 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 20:02:33,040 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [652385054] [2021-10-13 20:02:33,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 20:02:33,041 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 20:02:33,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-13 20:02:33,042 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 20:02:33,043 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2021-10-13 20:02:33,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 20:02:33,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 14 conjunts are in the unsatisfiable core [2021-10-13 20:02:33,260 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 20:02:33,278 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-10-13 20:02:33,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 20:02:33,447 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 20:02:33,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 20:02:33,782 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 20:02:33,782 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [652385054] [2021-10-13 20:02:33,783 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [652385054] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 20:02:33,783 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 20:02:33,783 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-10-13 20:02:33,783 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350724423] [2021-10-13 20:02:33,784 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-13 20:02:33,784 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 20:02:33,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-13 20:02:33,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-10-13 20:02:33,785 INFO L87 Difference]: Start difference. First operand 2165 states and 8079 transitions. Second operand has 8 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 8 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 20:02:35,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 20:02:35,085 INFO L93 Difference]: Finished difference Result 4613 states and 17825 transitions. [2021-10-13 20:02:35,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 20:02:35,087 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 8 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-10-13 20:02:35,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 20:02:35,101 INFO L225 Difference]: With dead ends: 4613 [2021-10-13 20:02:35,102 INFO L226 Difference]: Without dead ends: 4613 [2021-10-13 20:02:35,102 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 385.1ms TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2021-10-13 20:02:35,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4613 states. [2021-10-13 20:02:35,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4613 to 2771. [2021-10-13 20:02:35,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2771 states, 2723 states have (on average 4.2471538744032316) internal successors, (11565), 2770 states have internal predecessors, (11565), 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) [2021-10-13 20:02:35,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2771 states to 2771 states and 11565 transitions. [2021-10-13 20:02:35,177 INFO L78 Accepts]: Start accepts. Automaton has 2771 states and 11565 transitions. Word has length 9 [2021-10-13 20:02:35,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 20:02:35,177 INFO L470 AbstractCegarLoop]: Abstraction has 2771 states and 11565 transitions. [2021-10-13 20:02:35,177 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 8 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 20:02:35,177 INFO L276 IsEmpty]: Start isEmpty. Operand 2771 states and 11565 transitions. [2021-10-13 20:02:35,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-13 20:02:35,178 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 20:02:35,178 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 20:02:35,191 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0 [2021-10-13 20:02:35,378 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-13 20:02:35,379 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting thread2Err1REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 67 more)] === [2021-10-13 20:02:35,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 20:02:35,379 INFO L82 PathProgramCache]: Analyzing trace with hash 1216862854, now seen corresponding path program 1 times [2021-10-13 20:02:35,380 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 20:02:35,380 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1731021219] [2021-10-13 20:02:35,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 20:02:35,381 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 20:02:35,381 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-13 20:02:35,382 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 20:02:35,386 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2021-10-13 20:02:35,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 20:02:35,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-13 20:02:35,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 20:02:35,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 20:02:35,723 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 20:02:35,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 20:02:35,800 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 20:02:35,800 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1731021219] [2021-10-13 20:02:35,800 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1731021219] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 20:02:35,801 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 20:02:35,801 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 6 [2021-10-13 20:02:35,801 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356187578] [2021-10-13 20:02:35,801 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-13 20:02:35,801 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 20:02:35,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-13 20:02:35,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2021-10-13 20:02:35,802 INFO L87 Difference]: Start difference. First operand 2771 states and 11565 transitions. Second operand has 8 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 20:02:36,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 20:02:36,179 INFO L93 Difference]: Finished difference Result 2940 states and 11996 transitions. [2021-10-13 20:02:36,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 20:02:36,180 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-10-13 20:02:36,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 20:02:36,190 INFO L225 Difference]: With dead ends: 2940 [2021-10-13 20:02:36,190 INFO L226 Difference]: Without dead ends: 2940 [2021-10-13 20:02:36,191 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 79.3ms TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2021-10-13 20:02:36,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2940 states. [2021-10-13 20:02:36,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2940 to 2880. [2021-10-13 20:02:36,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2880 states, 2832 states have (on average 4.194562146892656) internal successors, (11879), 2879 states have internal predecessors, (11879), 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) [2021-10-13 20:02:36,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2880 states to 2880 states and 11879 transitions. [2021-10-13 20:02:36,266 INFO L78 Accepts]: Start accepts. Automaton has 2880 states and 11879 transitions. Word has length 9 [2021-10-13 20:02:36,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 20:02:36,266 INFO L470 AbstractCegarLoop]: Abstraction has 2880 states and 11879 transitions. [2021-10-13 20:02:36,266 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 20:02:36,266 INFO L276 IsEmpty]: Start isEmpty. Operand 2880 states and 11879 transitions. [2021-10-13 20:02:36,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-13 20:02:36,267 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 20:02:36,267 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 20:02:36,285 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0 [2021-10-13 20:02:36,481 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-13 20:02:36,481 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting thread2Err1REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 67 more)] === [2021-10-13 20:02:36,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 20:02:36,481 INFO L82 PathProgramCache]: Analyzing trace with hash -1772700496, now seen corresponding path program 1 times [2021-10-13 20:02:36,482 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 20:02:36,482 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [704070213] [2021-10-13 20:02:36,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 20:02:36,482 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 20:02:36,482 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-13 20:02:36,483 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 20:02:36,484 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2021-10-13 20:02:36,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 20:02:36,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-13 20:02:36,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 20:02:36,845 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 20:02:36,845 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 20:02:36,927 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 20:02:36,928 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 20:02:36,928 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [704070213] [2021-10-13 20:02:36,928 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [704070213] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-13 20:02:36,928 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-13 20:02:36,928 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-10-13 20:02:36,929 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127518365] [2021-10-13 20:02:36,929 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-13 20:02:36,929 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 20:02:36,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-13 20:02:36,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2021-10-13 20:02:36,930 INFO L87 Difference]: Start difference. First operand 2880 states and 11879 transitions. Second operand has 8 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 8 states have internal predecessors, (17), 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) [2021-10-13 20:02:37,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 20:02:37,585 INFO L93 Difference]: Finished difference Result 3634 states and 14347 transitions. [2021-10-13 20:02:37,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 20:02:37,587 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 8 states have internal predecessors, (17), 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 10 [2021-10-13 20:02:37,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 20:02:37,599 INFO L225 Difference]: With dead ends: 3634 [2021-10-13 20:02:37,599 INFO L226 Difference]: Without dead ends: 3634 [2021-10-13 20:02:37,599 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 136.9ms TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2021-10-13 20:02:37,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3634 states. [2021-10-13 20:02:37,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3634 to 3222. [2021-10-13 20:02:37,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3222 states, 3174 states have (on average 4.153434152488973) internal successors, (13183), 3221 states have internal predecessors, (13183), 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) [2021-10-13 20:02:37,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3222 states to 3222 states and 13183 transitions. [2021-10-13 20:02:37,669 INFO L78 Accepts]: Start accepts. Automaton has 3222 states and 13183 transitions. Word has length 10 [2021-10-13 20:02:37,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 20:02:37,669 INFO L470 AbstractCegarLoop]: Abstraction has 3222 states and 13183 transitions. [2021-10-13 20:02:37,669 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 8 states have internal predecessors, (17), 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) [2021-10-13 20:02:37,670 INFO L276 IsEmpty]: Start isEmpty. Operand 3222 states and 13183 transitions. [2021-10-13 20:02:37,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-13 20:02:37,676 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 20:02:37,676 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 20:02:37,688 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (23)] Forceful destruction successful, exit code 0 [2021-10-13 20:02:37,878 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-13 20:02:37,879 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting thread2Err1REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 67 more)] === [2021-10-13 20:02:37,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 20:02:37,879 INFO L82 PathProgramCache]: Analyzing trace with hash -773562099, now seen corresponding path program 1 times [2021-10-13 20:02:37,880 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-13 20:02:37,880 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [208744144] [2021-10-13 20:02:37,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 20:02:37,880 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-13 20:02:37,881 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-13 20:02:37,883 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-13 20:02:37,884 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2021-10-13 20:02:38,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 20:02:38,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 24 conjunts are in the unsatisfiable core [2021-10-13 20:02:38,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 20:02:38,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 20:02:38,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 20:02:38,550 INFO L354 Elim1Store]: treesize reduction 229, result has 22.6 percent of original size [2021-10-13 20:02:38,551 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 39 treesize of output 89 [2021-10-13 20:02:38,687 INFO L354 Elim1Store]: treesize reduction 84, result has 22.9 percent of original size [2021-10-13 20:02:38,687 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 89 treesize of output 103 [2021-10-13 20:02:38,901 INFO L354 Elim1Store]: treesize reduction 17, result has 22.7 percent of original size [2021-10-13 20:02:38,901 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 1 case distinctions, treesize of input 40 treesize of output 42 [2021-10-13 20:02:38,919 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-10-13 20:02:38,920 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 39 [2021-10-13 20:02:39,137 INFO L354 Elim1Store]: treesize reduction 32, result has 37.3 percent of original size [2021-10-13 20:02:39,138 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 34 treesize of output 47 [2021-10-13 20:02:41,431 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 20:02:41,431 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-13 20:02:44,760 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 20:02:44,761 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-13 20:02:44,761 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [208744144] [2021-10-13 20:02:44,761 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [208744144] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-13 20:02:44,761 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 20:02:44,761 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 13 [2021-10-13 20:02:44,762 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891297692] [2021-10-13 20:02:44,762 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-13 20:02:44,762 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-13 20:02:44,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-13 20:02:44,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2021-10-13 20:02:44,763 INFO L87 Difference]: Start difference. First operand 3222 states and 13183 transitions. Second operand has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 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) [2021-10-13 20:02:52,484 WARN L207 SmtUtils]: Spent 5.27 s on a formula simplification. DAG size of input: 40 DAG size of output: 39 [2021-10-13 20:03:13,391 WARN L207 SmtUtils]: Spent 6.19 s on a formula simplification that was a NOOP. DAG size: 59 [2021-10-13 20:03:26,887 WARN L207 SmtUtils]: Spent 10.09 s on a formula simplification. DAG size of input: 51 DAG size of output: 50 Received shutdown request... [2021-10-13 20:03:53,602 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-10-13 20:03:53,612 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (24)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-10-13 20:03:54,046 WARN L223 SmtUtils]: Removed 3 from assertion stack [2021-10-13 20:03:54,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-10-13 20:03:54,047 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err1REQUIRES_VIOLATION [2021-10-13 20:03:54,061 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (24)] Forceful destruction successful, exit code 0 [2021-10-13 20:03:54,248 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-13 20:03:54,249 WARN L594 AbstractCegarLoop]: Verification canceled: while BasicCegarLoop was constructing difference of abstraction (3222states) and FLOYD_HOARE automaton (currently 27 states, 15 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 58 for 5570ms.. [2021-10-13 20:03:54,251 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err0REQUIRES_VIOLATION [2021-10-13 20:03:54,251 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err1REQUIRES_VIOLATION [2021-10-13 20:03:54,251 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err2REQUIRES_VIOLATION [2021-10-13 20:03:54,251 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err3REQUIRES_VIOLATION [2021-10-13 20:03:54,251 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err4REQUIRES_VIOLATION [2021-10-13 20:03:54,252 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err5REQUIRES_VIOLATION [2021-10-13 20:03:54,252 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err6REQUIRES_VIOLATION [2021-10-13 20:03:54,252 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err7REQUIRES_VIOLATION [2021-10-13 20:03:54,252 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err0REQUIRES_VIOLATION [2021-10-13 20:03:54,252 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err1REQUIRES_VIOLATION [2021-10-13 20:03:54,252 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err2REQUIRES_VIOLATION [2021-10-13 20:03:54,252 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err3REQUIRES_VIOLATION [2021-10-13 20:03:54,252 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err4REQUIRES_VIOLATION [2021-10-13 20:03:54,253 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err5REQUIRES_VIOLATION [2021-10-13 20:03:54,253 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err6REQUIRES_VIOLATION [2021-10-13 20:03:54,253 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err7REQUIRES_VIOLATION [2021-10-13 20:03:54,253 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err0REQUIRES_VIOLATION [2021-10-13 20:03:54,253 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err1REQUIRES_VIOLATION [2021-10-13 20:03:54,253 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err2REQUIRES_VIOLATION [2021-10-13 20:03:54,253 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err3REQUIRES_VIOLATION [2021-10-13 20:03:54,253 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err4REQUIRES_VIOLATION [2021-10-13 20:03:54,253 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err5REQUIRES_VIOLATION [2021-10-13 20:03:54,254 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err6REQUIRES_VIOLATION [2021-10-13 20:03:54,254 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err7REQUIRES_VIOLATION [2021-10-13 20:03:54,254 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0REQUIRES_VIOLATION [2021-10-13 20:03:54,254 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1REQUIRES_VIOLATION [2021-10-13 20:03:54,254 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2REQUIRES_VIOLATION [2021-10-13 20:03:54,254 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3REQUIRES_VIOLATION [2021-10-13 20:03:54,254 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr4REQUIRES_VIOLATION [2021-10-13 20:03:54,255 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr5REQUIRES_VIOLATION [2021-10-13 20:03:54,255 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr6REQUIRES_VIOLATION [2021-10-13 20:03:54,255 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr7REQUIRES_VIOLATION [2021-10-13 20:03:54,255 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr8REQUIRES_VIOLATION [2021-10-13 20:03:54,255 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr9REQUIRES_VIOLATION [2021-10-13 20:03:54,255 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr10REQUIRES_VIOLATION [2021-10-13 20:03:54,255 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr11REQUIRES_VIOLATION [2021-10-13 20:03:54,255 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr12REQUIRES_VIOLATION [2021-10-13 20:03:54,256 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr13REQUIRES_VIOLATION [2021-10-13 20:03:54,256 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr14REQUIRES_VIOLATION [2021-10-13 20:03:54,256 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr15REQUIRES_VIOLATION [2021-10-13 20:03:54,256 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr16REQUIRES_VIOLATION [2021-10-13 20:03:54,256 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr17REQUIRES_VIOLATION [2021-10-13 20:03:54,256 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr18ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 20:03:54,256 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK [2021-10-13 20:03:54,257 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-13 20:03:54,257 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-13 20:03:54,257 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-13 20:03:54,257 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err0REQUIRES_VIOLATION [2021-10-13 20:03:54,257 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err1REQUIRES_VIOLATION [2021-10-13 20:03:54,257 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err2REQUIRES_VIOLATION [2021-10-13 20:03:54,257 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err3REQUIRES_VIOLATION [2021-10-13 20:03:54,258 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err4REQUIRES_VIOLATION [2021-10-13 20:03:54,258 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err5REQUIRES_VIOLATION [2021-10-13 20:03:54,258 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err6REQUIRES_VIOLATION [2021-10-13 20:03:54,258 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err7REQUIRES_VIOLATION [2021-10-13 20:03:54,258 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err0REQUIRES_VIOLATION [2021-10-13 20:03:54,258 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err2REQUIRES_VIOLATION [2021-10-13 20:03:54,259 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err3REQUIRES_VIOLATION [2021-10-13 20:03:54,259 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err4REQUIRES_VIOLATION [2021-10-13 20:03:54,259 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err5REQUIRES_VIOLATION [2021-10-13 20:03:54,259 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err6REQUIRES_VIOLATION [2021-10-13 20:03:54,259 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err7REQUIRES_VIOLATION [2021-10-13 20:03:54,259 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err0REQUIRES_VIOLATION [2021-10-13 20:03:54,260 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err1REQUIRES_VIOLATION [2021-10-13 20:03:54,260 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err2REQUIRES_VIOLATION [2021-10-13 20:03:54,260 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err3REQUIRES_VIOLATION [2021-10-13 20:03:54,260 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err4REQUIRES_VIOLATION [2021-10-13 20:03:54,260 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err5REQUIRES_VIOLATION [2021-10-13 20:03:54,260 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err6REQUIRES_VIOLATION [2021-10-13 20:03:54,260 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err7REQUIRES_VIOLATION [2021-10-13 20:03:54,269 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-13 20:03:54,269 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 20:03:54,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 08:03:54 BasicIcfg [2021-10-13 20:03:54,272 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 20:03:54,273 INFO L168 Benchmark]: Toolchain (without parser) took 827062.54 ms. Allocated memory was 153.1 MB in the beginning and 958.4 MB in the end (delta: 805.3 MB). Free memory was 127.4 MB in the beginning and 588.2 MB in the end (delta: -460.8 MB). Peak memory consumption was 345.3 MB. Max. memory is 8.0 GB. [2021-10-13 20:03:54,273 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 153.1 MB. Free memory is still 125.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-13 20:03:54,273 INFO L168 Benchmark]: CACSL2BoogieTranslator took 669.68 ms. Allocated memory is still 153.1 MB. Free memory was 127.2 MB in the beginning and 112.6 MB in the end (delta: 14.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-10-13 20:03:54,274 INFO L168 Benchmark]: Boogie Procedure Inliner took 120.54 ms. Allocated memory is still 153.1 MB. Free memory was 112.6 MB in the beginning and 110.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-13 20:03:54,274 INFO L168 Benchmark]: Boogie Preprocessor took 98.36 ms. Allocated memory is still 153.1 MB. Free memory was 110.0 MB in the beginning and 107.8 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-13 20:03:54,274 INFO L168 Benchmark]: RCFGBuilder took 1738.60 ms. Allocated memory is still 153.1 MB. Free memory was 107.8 MB in the beginning and 109.9 MB in the end (delta: -2.1 MB). Peak memory consumption was 8.9 MB. Max. memory is 8.0 GB. [2021-10-13 20:03:54,275 INFO L168 Benchmark]: TraceAbstraction took 824416.87 ms. Allocated memory was 153.1 MB in the beginning and 958.4 MB in the end (delta: 805.3 MB). Free memory was 109.4 MB in the beginning and 588.2 MB in the end (delta: -478.9 MB). Peak memory consumption was 326.9 MB. Max. memory is 8.0 GB. [2021-10-13 20:03:54,277 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 153.1 MB. Free memory is still 125.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 669.68 ms. Allocated memory is still 153.1 MB. Free memory was 127.2 MB in the beginning and 112.6 MB in the end (delta: 14.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 120.54 ms. Allocated memory is still 153.1 MB. Free memory was 112.6 MB in the beginning and 110.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 98.36 ms. Allocated memory is still 153.1 MB. Free memory was 110.0 MB in the beginning and 107.8 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1738.60 ms. Allocated memory is still 153.1 MB. Free memory was 107.8 MB in the beginning and 109.9 MB in the end (delta: -2.1 MB). Peak memory consumption was 8.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 824416.87 ms. Allocated memory was 153.1 MB in the beginning and 958.4 MB in the end (delta: 805.3 MB). Free memory was 109.4 MB in the beginning and 588.2 MB in the end (delta: -478.9 MB). Peak memory consumption was 326.9 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 61000.4ms, 332 PlacesBefore, 85 PlacesAfterwards, 351 TransitionsBefore, 83 TransitionsAfterwards, 21114 CoEnabledTransitionPairs, 7 FixpointIterations, 151 TrivialSequentialCompositions, 167 ConcurrentSequentialCompositions, 28 TrivialYvCompositions, 43 ConcurrentYvCompositions, 21 ChoiceCompositions, 410 TotalNumberOfCompositions, 32912 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 22555, positive: 22319, positive conditional: 0, positive unconditional: 22319, negative: 236, negative conditional: 0, negative unconditional: 236, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 14801, positive: 14735, positive conditional: 0, positive unconditional: 14735, negative: 66, negative conditional: 0, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 14801, positive: 14735, positive conditional: 0, positive unconditional: 14735, negative: 66, negative conditional: 0, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 66, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 66, negative conditional: 0, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4565, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4565, negative conditional: 0, negative unconditional: 4565, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 22555, positive: 7584, positive conditional: 0, positive unconditional: 7584, negative: 170, negative conditional: 0, negative unconditional: 170, unknown: 14801, unknown conditional: 0, unknown unconditional: 14801] , Statistics on independence cache: Total cache size (in pairs): 493, Positive cache size: 471, Positive conditional cache size: 0, Positive unconditional cache size: 471, Negative cache size: 22, Negative conditional cache size: 0, Negative unconditional cache size: 22 - 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 - TimeoutResultAtElement [Line: 65]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was constructing difference of abstraction (3222states) and FLOYD_HOARE automaton (currently 27 states, 15 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 58 for 5570ms.. - TimeoutResultAtElement [Line: 51]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was constructing difference of abstraction (3222states) and FLOYD_HOARE automaton (currently 27 states, 15 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 58 for 5570ms.. - TimeoutResultAtElement [Line: 51]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was constructing difference of abstraction (3222states) and FLOYD_HOARE automaton (currently 27 states, 15 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 58 for 5570ms.. - TimeoutResultAtElement [Line: 51]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was constructing difference of abstraction (3222states) and FLOYD_HOARE automaton (currently 27 states, 15 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 58 for 5570ms.. - TimeoutResultAtElement [Line: 51]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was constructing difference of abstraction (3222states) and FLOYD_HOARE automaton (currently 27 states, 15 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 58 for 5570ms.. - TimeoutResultAtElement [Line: 52]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was constructing difference of abstraction (3222states) and FLOYD_HOARE automaton (currently 27 states, 15 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 58 for 5570ms.. - TimeoutResultAtElement [Line: 52]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was constructing difference of abstraction (3222states) and FLOYD_HOARE automaton (currently 27 states, 15 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 58 for 5570ms.. - TimeoutResultAtElement [Line: 52]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was constructing difference of abstraction (3222states) and FLOYD_HOARE automaton (currently 27 states, 15 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 58 for 5570ms.. - TimeoutResultAtElement [Line: 52]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was constructing difference of abstraction (3222states) and FLOYD_HOARE automaton (currently 27 states, 15 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 58 for 5570ms.. - TimeoutResultAtElement [Line: 65]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was constructing difference of abstraction (3222states) and FLOYD_HOARE automaton (currently 27 states, 15 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 58 for 5570ms.. - TimeoutResultAtElement [Line: 65]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was constructing difference of abstraction (3222states) and FLOYD_HOARE automaton (currently 27 states, 15 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 58 for 5570ms.. - TimeoutResultAtElement [Line: 65]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was constructing difference of abstraction (3222states) and FLOYD_HOARE automaton (currently 27 states, 15 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 58 for 5570ms.. - TimeoutResultAtElement [Line: 66]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was constructing difference of abstraction (3222states) and FLOYD_HOARE automaton (currently 27 states, 15 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 58 for 5570ms.. - TimeoutResultAtElement [Line: 66]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was constructing difference of abstraction (3222states) and FLOYD_HOARE automaton (currently 27 states, 15 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 58 for 5570ms.. - TimeoutResultAtElement [Line: 66]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was constructing difference of abstraction (3222states) and FLOYD_HOARE automaton (currently 27 states, 15 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 58 for 5570ms.. - TimeoutResultAtElement [Line: 66]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was constructing difference of abstraction (3222states) and FLOYD_HOARE automaton (currently 27 states, 15 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 58 for 5570ms.. - TimeoutResultAtElement [Line: 79]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was constructing difference of abstraction (3222states) and FLOYD_HOARE automaton (currently 27 states, 15 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 58 for 5570ms.. - TimeoutResultAtElement [Line: 79]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was constructing difference of abstraction (3222states) and FLOYD_HOARE automaton (currently 27 states, 15 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 58 for 5570ms.. - TimeoutResultAtElement [Line: 79]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was constructing difference of abstraction (3222states) and FLOYD_HOARE automaton (currently 27 states, 15 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 58 for 5570ms.. - TimeoutResultAtElement [Line: 79]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was constructing difference of abstraction (3222states) and FLOYD_HOARE automaton (currently 27 states, 15 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 58 for 5570ms.. - TimeoutResultAtElement [Line: 80]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was constructing difference of abstraction (3222states) and FLOYD_HOARE automaton (currently 27 states, 15 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 58 for 5570ms.. - TimeoutResultAtElement [Line: 80]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was constructing difference of abstraction (3222states) and FLOYD_HOARE automaton (currently 27 states, 15 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 58 for 5570ms.. - TimeoutResultAtElement [Line: 80]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was constructing difference of abstraction (3222states) and FLOYD_HOARE automaton (currently 27 states, 15 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 58 for 5570ms.. - TimeoutResultAtElement [Line: 80]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was constructing difference of abstraction (3222states) and FLOYD_HOARE automaton (currently 27 states, 15 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 58 for 5570ms.. - TimeoutResultAtElement [Line: 120]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was constructing difference of abstraction (3222states) and FLOYD_HOARE automaton (currently 27 states, 15 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 58 for 5570ms.. - TimeoutResultAtElement [Line: 120]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was constructing difference of abstraction (3222states) and FLOYD_HOARE automaton (currently 27 states, 15 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 58 for 5570ms.. - TimeoutResultAtElement [Line: 120]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was constructing difference of abstraction (3222states) and FLOYD_HOARE automaton (currently 27 states, 15 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 58 for 5570ms.. - TimeoutResultAtElement [Line: 120]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was constructing difference of abstraction (3222states) and FLOYD_HOARE automaton (currently 27 states, 15 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 58 for 5570ms.. - TimeoutResultAtElement [Line: 120]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was constructing difference of abstraction (3222states) and FLOYD_HOARE automaton (currently 27 states, 15 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 58 for 5570ms.. - TimeoutResultAtElement [Line: 120]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was constructing difference of abstraction (3222states) and FLOYD_HOARE automaton (currently 27 states, 15 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 58 for 5570ms.. - TimeoutResultAtElement [Line: 100]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was constructing difference of abstraction (3222states) and FLOYD_HOARE automaton (currently 27 states, 15 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 58 for 5570ms.. - TimeoutResultAtElement [Line: 100]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was constructing difference of abstraction (3222states) and FLOYD_HOARE automaton (currently 27 states, 15 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 58 for 5570ms.. - TimeoutResultAtElement [Line: 101]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was constructing difference of abstraction (3222states) and FLOYD_HOARE automaton (currently 27 states, 15 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 58 for 5570ms.. - TimeoutResultAtElement [Line: 101]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was constructing difference of abstraction (3222states) and FLOYD_HOARE automaton (currently 27 states, 15 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 58 for 5570ms.. - TimeoutResultAtElement [Line: 102]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was constructing difference of abstraction (3222states) and FLOYD_HOARE automaton (currently 27 states, 15 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 58 for 5570ms.. - TimeoutResultAtElement [Line: 102]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was constructing difference of abstraction (3222states) and FLOYD_HOARE automaton (currently 27 states, 15 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 58 for 5570ms.. - TimeoutResultAtElement [Line: 103]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was constructing difference of abstraction (3222states) and FLOYD_HOARE automaton (currently 27 states, 15 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 58 for 5570ms.. - TimeoutResultAtElement [Line: 103]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was constructing difference of abstraction (3222states) and FLOYD_HOARE automaton (currently 27 states, 15 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 58 for 5570ms.. - TimeoutResultAtElement [Line: 104]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was constructing difference of abstraction (3222states) and FLOYD_HOARE automaton (currently 27 states, 15 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 58 for 5570ms.. - TimeoutResultAtElement [Line: 104]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was constructing difference of abstraction (3222states) and FLOYD_HOARE automaton (currently 27 states, 15 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 58 for 5570ms.. - TimeoutResultAtElement [Line: 105]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was constructing difference of abstraction (3222states) and FLOYD_HOARE automaton (currently 27 states, 15 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 58 for 5570ms.. - TimeoutResultAtElement [Line: 105]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was constructing difference of abstraction (3222states) and FLOYD_HOARE automaton (currently 27 states, 15 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 58 for 5570ms.. - TimeoutResultAtElement [Line: 109]: Timeout (TraceAbstraction) Unable to prove that all allocated memory was freed Cancelled while BasicCegarLoop was constructing difference of abstraction (3222states) and FLOYD_HOARE automaton (currently 27 states, 15 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 58 for 5570ms.. - TimeoutResultAtElement [Line: 89]: Timeout (TraceAbstraction) Unable to prove that all allocated memory was freed Cancelled while BasicCegarLoop was constructing difference of abstraction (3222states) and FLOYD_HOARE automaton (currently 27 states, 15 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 58 for 5570ms.. - TimeoutResultAtElement [Line: 102]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was constructing difference of abstraction (3222states) and FLOYD_HOARE automaton (currently 27 states, 15 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 58 for 5570ms.. - TimeoutResultAtElement [Line: 100]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was constructing difference of abstraction (3222states) and FLOYD_HOARE automaton (currently 27 states, 15 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 58 for 5570ms.. - TimeoutResultAtElement [Line: 101]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was constructing difference of abstraction (3222states) and FLOYD_HOARE automaton (currently 27 states, 15 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 58 for 5570ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 467 locations, 71 error locations. Started 1 CEGAR loops. OverallTime: 823982.5ms, OverallIterations: 21, TraceHistogramMax: 6, EmptinessCheckTime: 83.4ms, AutomataDifference: 408679.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 61665.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 806 SDtfs, 8723 SDslu, 2367 SDs, 0 SdLazy, 6477 SolverSat, 678 SolverUnsat, 51 SolverUnknown, 0 SolverNotchecked, 174482.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 371 GetRequests, 130 SyntacticMatches, 14 SemanticMatches, 226 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1376 ImplicationChecksByTransitivity, 258773.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=10140occurred in iteration=0, InterpolantAutomatonStates: 177, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 6400.4ms AutomataMinimizationTime, 20 MinimizatonAttempts, 161928 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 250.2ms SsaConstructionTime, 1562.0ms SatisfiabilityAnalysisTime, 189628.4ms InterpolantComputationTime, 151 NumberOfCodeBlocks, 151 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 260 ConstructedInterpolants, 75 QuantifiedInterpolants, 5690 SizeOfPredicates, 146 NumberOfNonLiveVariables, 1906 ConjunctsInSsa, 215 ConjunctsInUnsatCore, 42 InterpolantComputations, 32 PerfectInterpolantSequences, 16/72 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown