/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/parallel-parallel-sum-2.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-8c2bbc9 [2021-10-07 15:49:10,164 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-07 15:49:10,168 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-07 15:49:10,235 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-07 15:49:10,236 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-07 15:49:10,242 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-07 15:49:10,245 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-07 15:49:10,249 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-07 15:49:10,252 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-07 15:49:10,258 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-07 15:49:10,259 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-07 15:49:10,261 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-07 15:49:10,261 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-07 15:49:10,263 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-07 15:49:10,266 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-07 15:49:10,269 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-07 15:49:10,271 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-07 15:49:10,272 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-07 15:49:10,279 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-07 15:49:10,286 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-07 15:49:10,288 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-07 15:49:10,290 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-07 15:49:10,291 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-07 15:49:10,292 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-07 15:49:10,294 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-10-07 15:49:10,298 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-07 15:49:10,298 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-07 15:49:10,299 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-07 15:49:10,300 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-07 15:49:10,301 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-07 15:49:10,302 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-07 15:49:10,302 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-07 15:49:10,303 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-07 15:49:10,303 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-07 15:49:10,304 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-07 15:49:10,304 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-07 15:49:10,309 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-10-07 15:49:10,354 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-07 15:49:10,354 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-07 15:49:10,355 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-07 15:49:10,355 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-07 15:49:10,358 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-07 15:49:10,359 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-07 15:49:10,359 INFO L138 SettingsManager]: * Use SBE=true [2021-10-07 15:49:10,359 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-07 15:49:10,360 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-07 15:49:10,360 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-07 15:49:10,361 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-07 15:49:10,362 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-07 15:49:10,362 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-07 15:49:10,362 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-07 15:49:10,362 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-07 15:49:10,362 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-07 15:49:10,363 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-07 15:49:10,363 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-07 15:49:10,363 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-07 15:49:10,363 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-07 15:49:10,363 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-07 15:49:10,363 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-07 15:49:10,364 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-07 15:49:10,364 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-07 15:49:10,364 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-07 15:49:10,364 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-07 15:49:10,364 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-07 15:49:10,365 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-07 15:49:10,365 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-07 15:49:10,365 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-07 15:49:10,365 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-07 15:49:10,365 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-07 15:49:10,366 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-10-07 15:49:10,750 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-07 15:49:10,774 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-07 15:49:10,776 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-07 15:49:10,778 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-07 15:49:10,778 INFO L275 PluginConnector]: CDTParser initialized [2021-10-07 15:49:10,779 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/parallel-parallel-sum-2.wvr.c [2021-10-07 15:49:10,862 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3daab98df/d93507bcc9984334bb59b870ffc71f61/FLAG3953890c4 [2021-10-07 15:49:11,473 INFO L306 CDTParser]: Found 1 translation units. [2021-10-07 15:49:11,474 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/parallel-parallel-sum-2.wvr.c [2021-10-07 15:49:11,485 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3daab98df/d93507bcc9984334bb59b870ffc71f61/FLAG3953890c4 [2021-10-07 15:49:11,839 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3daab98df/d93507bcc9984334bb59b870ffc71f61 [2021-10-07 15:49:11,843 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-07 15:49:11,853 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-07 15:49:11,858 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-07 15:49:11,859 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-07 15:49:11,863 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-07 15:49:11,864 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:49:11" (1/1) ... [2021-10-07 15:49:11,867 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a3571a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:49:11, skipping insertion in model container [2021-10-07 15:49:11,867 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:49:11" (1/1) ... [2021-10-07 15:49:11,878 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-07 15:49:11,919 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-07 15:49:12,214 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/parallel-parallel-sum-2.wvr.c[3787,3800] [2021-10-07 15:49:12,234 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-07 15:49:12,261 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-07 15:49:12,270 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-07 15:49:12,300 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/parallel-parallel-sum-2.wvr.c[3787,3800] [2021-10-07 15:49:12,303 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-07 15:49:12,309 INFO L203 MainTranslator]: Completed pre-run [2021-10-07 15:49:12,339 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/parallel-parallel-sum-2.wvr.c[3787,3800] [2021-10-07 15:49:12,343 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-07 15:49:12,365 INFO L208 MainTranslator]: Completed translation [2021-10-07 15:49:12,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:49:12 WrapperNode [2021-10-07 15:49:12,366 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-07 15:49:12,367 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-07 15:49:12,367 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-07 15:49:12,367 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-07 15:49:12,375 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:49:12" (1/1) ... [2021-10-07 15:49:12,390 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:49:12" (1/1) ... [2021-10-07 15:49:12,437 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-07 15:49:12,441 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-07 15:49:12,442 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-07 15:49:12,442 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-07 15:49:12,453 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:49:12" (1/1) ... [2021-10-07 15:49:12,453 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:49:12" (1/1) ... [2021-10-07 15:49:12,470 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:49:12" (1/1) ... [2021-10-07 15:49:12,470 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:49:12" (1/1) ... [2021-10-07 15:49:12,501 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:49:12" (1/1) ... [2021-10-07 15:49:12,514 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:49:12" (1/1) ... [2021-10-07 15:49:12,519 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:49:12" (1/1) ... [2021-10-07 15:49:12,529 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-07 15:49:12,532 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-07 15:49:12,533 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-07 15:49:12,533 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-07 15:49:12,534 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:49:12" (1/1) ... [2021-10-07 15:49:12,544 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-07 15:49:12,556 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-07 15:49:12,580 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-07 15:49:12,600 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-07 15:49:12,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-07 15:49:12,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-07 15:49:12,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-07 15:49:12,645 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-07 15:49:12,645 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-07 15:49:12,646 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-07 15:49:12,647 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-07 15:49:12,648 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-10-07 15:49:12,648 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-10-07 15:49:12,648 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-10-07 15:49:12,648 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-10-07 15:49:12,648 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2021-10-07 15:49:12,649 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2021-10-07 15:49:12,649 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2021-10-07 15:49:12,649 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2021-10-07 15:49:12,649 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-07 15:49:12,649 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-07 15:49:12,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-07 15:49:12,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-07 15:49:12,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-07 15:49:12,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-07 15:49:12,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-07 15:49:12,652 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-07 15:49:14,117 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-07 15:49:14,117 INFO L299 CfgBuilder]: Removed 31 assume(true) statements. [2021-10-07 15:49:14,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:49:14 BoogieIcfgContainer [2021-10-07 15:49:14,120 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-07 15:49:14,122 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-07 15:49:14,122 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-07 15:49:14,125 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-07 15:49:14,126 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:49:11" (1/3) ... [2021-10-07 15:49:14,126 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fe888a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:49:14, skipping insertion in model container [2021-10-07 15:49:14,126 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:49:12" (2/3) ... [2021-10-07 15:49:14,127 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fe888a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:49:14, skipping insertion in model container [2021-10-07 15:49:14,127 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:49:14" (3/3) ... [2021-10-07 15:49:14,128 INFO L111 eAbstractionObserver]: Analyzing ICFG parallel-parallel-sum-2.wvr.c [2021-10-07 15:49:14,134 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-07 15:49:14,134 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 36 error locations. [2021-10-07 15:49:14,134 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-07 15:49:14,190 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,190 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,191 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,191 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,191 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,191 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,192 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,192 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,192 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#t~pre9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,192 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#t~pre9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,192 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,193 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,193 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#t~pre9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,193 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,193 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,193 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#t~pre9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,194 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,194 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,194 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,194 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,194 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,195 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,195 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#t~pre9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,195 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#t~pre9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,195 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,196 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,196 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#t~pre11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,196 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#t~pre11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,196 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,196 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,197 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#t~pre11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,197 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,197 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,197 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#t~pre11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,197 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,198 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,198 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,198 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,198 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,198 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,199 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#t~pre11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,199 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#t~pre11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,199 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,199 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,199 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,200 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,200 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,200 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,200 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,200 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,201 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,201 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,201 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,201 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,201 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,202 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,202 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,202 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,203 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,203 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,203 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,203 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,203 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,204 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,204 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,204 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,204 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,204 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,205 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,205 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,205 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,205 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,206 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,206 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,206 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork4_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,206 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork4_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,206 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,206 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork4_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,207 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,207 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork4_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,207 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork4_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,207 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork4_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,207 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork4_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,208 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork4_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,208 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,208 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,208 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,208 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,209 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,209 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,209 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,209 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,209 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,210 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,210 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,210 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,210 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,210 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,211 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,211 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,211 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,211 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,212 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,212 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,212 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,212 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,212 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,212 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,213 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,213 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,213 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,213 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,213 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,213 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,214 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,214 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,214 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,214 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,214 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,215 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,215 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,215 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,215 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,215 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,216 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,216 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,216 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,216 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,216 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,217 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,217 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,217 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,217 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,218 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,218 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,218 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,218 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,218 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,218 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,219 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,219 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,219 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,219 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,219 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,219 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,220 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork5_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,220 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,220 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,220 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork5_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,220 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,221 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,221 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork5_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,221 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,221 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,221 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork5_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,221 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,222 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,222 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,222 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork5_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,222 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,222 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,223 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,223 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork5_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,223 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,224 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,224 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,224 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,224 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,225 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t6~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,225 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t6~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,225 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t6~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,225 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t6~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,225 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~pre21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,226 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~pre21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,226 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,226 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~pre21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,226 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,226 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,226 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~pre21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,227 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,227 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,227 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,227 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,227 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,227 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,228 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,228 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~pre21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,228 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~pre21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,228 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~nondet22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,228 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~nondet22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,229 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~pre23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,229 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~pre23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,229 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~pre23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,229 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t6~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,229 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t6~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,230 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~pre23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,230 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t6~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,230 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t6~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,230 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t6~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,230 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t6~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,231 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t6~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,231 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t6~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,231 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t6~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,231 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t6~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,231 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~pre23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,231 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~pre23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,232 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,232 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,232 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,232 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,232 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~mem25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,232 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,233 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,233 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~mem25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,233 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,233 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,233 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,234 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,234 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,234 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,234 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~mem25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,234 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~mem25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,235 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t6~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,235 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t6~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,235 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,235 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t6~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,235 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t6~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,235 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,236 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t6~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,236 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t6~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,236 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t6~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,236 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t6~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,236 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t6~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,237 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t6~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,237 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,237 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,237 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,237 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,238 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,238 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,238 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,238 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,238 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,238 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,239 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,239 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,239 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,239 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,239 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,239 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,240 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,240 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,240 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,240 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,240 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,240 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,241 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,241 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,241 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t6~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,241 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t6~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,241 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t6~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,242 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t6~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,242 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t6~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,242 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t6~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,242 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork3_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,242 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork3_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,243 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork3_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,243 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork3_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,243 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,243 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,243 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,243 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,244 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork3_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,244 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork3_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,244 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork3_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,244 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork3_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,244 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork3_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,245 WARN L313 ript$VariableManager]: TermVariabe thread5Thread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,245 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,245 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork3_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,245 WARN L313 ript$VariableManager]: TermVariabe thread5Thread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,245 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,245 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork3_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,246 WARN L313 ript$VariableManager]: TermVariabe thread5Thread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,246 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,246 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork3_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,246 WARN L313 ript$VariableManager]: TermVariabe thread5Thread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,246 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,246 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork3_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,247 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork3_#t~mem17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,247 WARN L313 ript$VariableManager]: TermVariabe thread5Thread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,247 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,247 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork3_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,247 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork3_#t~mem17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,247 WARN L313 ript$VariableManager]: TermVariabe thread5Thread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,248 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,248 WARN L313 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork0_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,248 WARN L313 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork0_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,249 WARN L313 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork0_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,249 WARN L313 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork0_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,249 WARN L313 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,249 WARN L313 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,249 WARN L313 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,249 WARN L313 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,250 WARN L313 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork0_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,250 WARN L313 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork0_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,250 WARN L313 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork0_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,250 WARN L313 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork0_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,250 WARN L313 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork0_#t~post19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,250 WARN L313 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,251 WARN L313 ript$VariableManager]: TermVariabe thread6Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,251 WARN L313 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork0_#t~post19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,251 WARN L313 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,251 WARN L313 ript$VariableManager]: TermVariabe thread6Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,251 WARN L313 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork0_#t~post19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,252 WARN L313 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,252 WARN L313 ript$VariableManager]: TermVariabe thread6Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,252 WARN L313 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork0_#t~post19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,252 WARN L313 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,252 WARN L313 ript$VariableManager]: TermVariabe thread6Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,252 WARN L313 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork0_#t~post19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,253 WARN L313 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork0_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,253 WARN L313 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,253 WARN L313 ript$VariableManager]: TermVariabe thread6Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,253 WARN L313 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork0_#t~post19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,253 WARN L313 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork0_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,254 WARN L313 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,254 WARN L313 ript$VariableManager]: TermVariabe thread6Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,257 WARN L313 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,257 WARN L313 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork0_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,258 WARN L313 ript$VariableManager]: TermVariabe thread6Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,258 WARN L313 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,258 WARN L313 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork0_#t~post19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,258 WARN L313 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,258 WARN L313 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork0_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,261 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,261 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~nondet22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,261 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,262 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,262 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,262 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t6~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,262 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~pre21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,262 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,263 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_~#t6~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,263 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~pre23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,263 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~mem25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,263 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#t~mem26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,263 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,263 WARN L313 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,266 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,266 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,266 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,266 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,267 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,267 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,267 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,268 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork3_#t~mem17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,269 WARN L313 ript$VariableManager]: TermVariabe thread5Thread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,269 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,269 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,269 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,269 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork3_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,270 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork3_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,271 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,272 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,272 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,272 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#t~pre9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,272 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,272 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#t~pre11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,273 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,273 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,273 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,273 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,273 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,274 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork4_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,274 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,274 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork4_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,276 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork5_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,277 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,277 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,277 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,277 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,277 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,278 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,279 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,279 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,280 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,280 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,280 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,280 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,280 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,282 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork5_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,282 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,282 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,283 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,283 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,283 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,283 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork5_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,285 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork3_#t~mem17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,285 WARN L313 ript$VariableManager]: TermVariabe thread5Thread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,285 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,285 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,286 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,286 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork3_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,286 WARN L313 ript$VariableManager]: TermVariabe |thread5Thread1of1ForFork3_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,288 WARN L313 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,288 WARN L313 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork0_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,288 WARN L313 ript$VariableManager]: TermVariabe thread6Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,288 WARN L313 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,289 WARN L313 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork0_#t~post19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,289 WARN L313 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,289 WARN L313 ript$VariableManager]: TermVariabe |thread6Thread1of1ForFork0_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:49:14,319 INFO L148 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2021-10-07 15:49:14,366 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-07 15:49:14,373 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-07 15:49:14,374 INFO L340 AbstractCegarLoop]: Starting to check reachability of 70 error locations. [2021-10-07 15:49:14,394 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-10-07 15:49:14,406 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 307 places, 310 transitions, 692 flow [2021-10-07 15:49:14,409 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 307 places, 310 transitions, 692 flow [2021-10-07 15:49:14,411 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 307 places, 310 transitions, 692 flow [2021-10-07 15:49:14,523 INFO L129 PetriNetUnfolder]: 20/264 cut-off events. [2021-10-07 15:49:14,523 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-10-07 15:49:14,532 INFO L84 FinitePrefix]: Finished finitePrefix Result has 293 conditions, 264 events. 20/264 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 455 event pairs, 0 based on Foata normal form. 0/208 useless extension candidates. Maximal degree in co-relation 220. Up to 3 conditions per place. [2021-10-07 15:49:14,547 INFO L116 LiptonReduction]: Number of co-enabled transitions 12980 [2021-10-07 15:49:38,710 INFO L131 LiptonReduction]: Checked pairs total: 57196 [2021-10-07 15:49:38,710 INFO L133 LiptonReduction]: Total number of compositions: 275 [2021-10-07 15:49:38,721 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 127 places, 118 transitions, 308 flow [2021-10-07 15:49:42,887 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 58810 states, 53598 states have (on average 5.92307548789134) internal successors, (317465), 58809 states have internal predecessors, (317465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:49:43,072 INFO L276 IsEmpty]: Start isEmpty. Operand has 58810 states, 53598 states have (on average 5.92307548789134) internal successors, (317465), 58809 states have internal predecessors, (317465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:49:43,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-10-07 15:49:43,082 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:49:43,082 INFO L512 BasicCegarLoop]: trace histogram [1, 1] [2021-10-07 15:49:43,083 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 66 more)] === [2021-10-07 15:49:43,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:49:43,089 INFO L82 PathProgramCache]: Analyzing trace with hash 37217, now seen corresponding path program 1 times [2021-10-07 15:49:43,102 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-07 15:49:43,102 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2140818390] [2021-10-07 15:49:43,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:49:43,103 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-07 15:49:43,103 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-07 15:49:43,112 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-07 15:49:43,119 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-07 15:49:43,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:49:43,202 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-07 15:49:43,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 15:49:43,451 INFO L354 Elim1Store]: treesize reduction 232, result has 18.9 percent of original size [2021-10-07 15:49:43,452 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 21 treesize of output 59 [2021-10-07 15:49:43,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:49:43,906 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-07 15:49:43,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:49:43,913 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-07 15:49:43,913 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2140818390] [2021-10-07 15:49:43,914 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2140818390] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-07 15:49:43,914 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-07 15:49:43,914 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1, 1] imperfect sequences [] total 1 [2021-10-07 15:49:43,916 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112886385] [2021-10-07 15:49:43,922 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-07 15:49:43,923 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-07 15:49:43,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-07 15:49:43,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-07 15:49:44,062 INFO L87 Difference]: Start difference. First operand has 58810 states, 53598 states have (on average 5.92307548789134) internal successors, (317465), 58809 states have internal predecessors, (317465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:49:46,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 15:49:46,605 INFO L93 Difference]: Finished difference Result 58808 states and 316979 transitions. [2021-10-07 15:49:46,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-07 15:49:46,607 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 2 [2021-10-07 15:49:46,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 15:49:47,776 INFO L225 Difference]: With dead ends: 58808 [2021-10-07 15:49:47,777 INFO L226 Difference]: Without dead ends: 58808 [2021-10-07 15:49:47,778 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 14.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-07 15:49:48,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58808 states. [2021-10-07 15:49:51,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58808 to 58808. [2021-10-07 15:49:51,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58808 states, 53598 states have (on average 5.914007985372589) internal successors, (316979), 58807 states have internal predecessors, (316979), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:49:52,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58808 states to 58808 states and 316979 transitions. [2021-10-07 15:49:52,865 INFO L78 Accepts]: Start accepts. Automaton has 58808 states and 316979 transitions. Word has length 2 [2021-10-07 15:49:52,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 15:49:52,865 INFO L470 AbstractCegarLoop]: Abstraction has 58808 states and 316979 transitions. [2021-10-07 15:49:52,866 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:49:52,866 INFO L276 IsEmpty]: Start isEmpty. Operand 58808 states and 316979 transitions. [2021-10-07 15:49:52,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-10-07 15:49:52,866 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:49:52,866 INFO L512 BasicCegarLoop]: trace histogram [1, 1] [2021-10-07 15:49:52,875 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-10-07 15:49:53,067 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-07 15:49:53,068 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 66 more)] === [2021-10-07 15:49:53,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:49:53,070 INFO L82 PathProgramCache]: Analyzing trace with hash 37218, now seen corresponding path program 1 times [2021-10-07 15:49:53,071 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-07 15:49:53,072 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1446765513] [2021-10-07 15:49:53,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:49:53,072 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-07 15:49:53,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-07 15:49:53,073 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-07 15:49:53,075 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-07 15:49:53,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:49:53,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-07 15:49:53,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 15:49:53,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-07 15:49:53,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-07 15:49:53,814 INFO L354 Elim1Store]: treesize reduction 141, result has 26.9 percent of original size [2021-10-07 15:49:53,816 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 20 treesize of output 59 [2021-10-07 15:49:53,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:49:53,891 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-07 15:49:54,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:49:54,001 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-07 15:49:54,002 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1446765513] [2021-10-07 15:49:54,002 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1446765513] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-07 15:49:54,002 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-07 15:49:54,002 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1, 1] imperfect sequences [] total 2 [2021-10-07 15:49:54,002 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859949113] [2021-10-07 15:49:54,005 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-07 15:49:54,005 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-07 15:49:54,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-07 15:49:54,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-07 15:49:54,007 INFO L87 Difference]: Start difference. First operand 58808 states and 316979 transitions. Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:49:55,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 15:49:55,921 INFO L93 Difference]: Finished difference Result 58837 states and 317045 transitions. [2021-10-07 15:49:55,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-07 15:49:55,922 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 2 [2021-10-07 15:49:55,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 15:49:57,137 INFO L225 Difference]: With dead ends: 58837 [2021-10-07 15:49:57,139 INFO L226 Difference]: Without dead ends: 58837 [2021-10-07 15:49:57,140 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 87.7ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-07 15:49:57,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58837 states. [2021-10-07 15:50:00,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58837 to 58810. [2021-10-07 15:50:00,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58810 states, 53600 states have (on average 5.913936567164179) internal successors, (316987), 58809 states have internal predecessors, (316987), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:50:01,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58810 states to 58810 states and 316987 transitions. [2021-10-07 15:50:01,338 INFO L78 Accepts]: Start accepts. Automaton has 58810 states and 316987 transitions. Word has length 2 [2021-10-07 15:50:01,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 15:50:01,339 INFO L470 AbstractCegarLoop]: Abstraction has 58810 states and 316987 transitions. [2021-10-07 15:50:01,339 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:50:01,339 INFO L276 IsEmpty]: Start isEmpty. Operand 58810 states and 316987 transitions. [2021-10-07 15:50:01,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-10-07 15:50:01,339 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:50:01,340 INFO L512 BasicCegarLoop]: trace histogram [1, 1] [2021-10-07 15:50:01,352 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-07 15:50:01,550 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-07 15:50:01,557 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 66 more)] === [2021-10-07 15:50:01,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:50:01,567 INFO L82 PathProgramCache]: Analyzing trace with hash 37367, now seen corresponding path program 1 times [2021-10-07 15:50:01,568 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-07 15:50:01,568 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1361421803] [2021-10-07 15:50:01,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:50:01,569 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-07 15:50:01,569 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-07 15:50:01,573 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-07 15:50:01,577 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-07 15:50:01,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:50:01,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-07 15:50:01,688 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 15:50:01,853 INFO L354 Elim1Store]: treesize reduction 232, result has 18.9 percent of original size [2021-10-07 15:50:01,854 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 6 case distinctions, treesize of input 65 treesize of output 100 [2021-10-07 15:50:03,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:50:03,393 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-07 15:50:03,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:50:03,404 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-07 15:50:03,405 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1361421803] [2021-10-07 15:50:03,405 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1361421803] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-07 15:50:03,405 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-07 15:50:03,405 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1, 1] imperfect sequences [] total 2 [2021-10-07 15:50:03,405 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242671042] [2021-10-07 15:50:03,406 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-07 15:50:03,406 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-07 15:50:03,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-07 15:50:03,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-07 15:50:03,407 INFO L87 Difference]: Start difference. First operand 58810 states and 316987 transitions. Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:50:04,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 15:50:04,851 INFO L93 Difference]: Finished difference Result 46779 states and 242880 transitions. [2021-10-07 15:50:04,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-07 15:50:04,851 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 2 [2021-10-07 15:50:04,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 15:50:05,260 INFO L225 Difference]: With dead ends: 46779 [2021-10-07 15:50:05,260 INFO L226 Difference]: Without dead ends: 46779 [2021-10-07 15:50:05,261 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 28.2ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-07 15:50:05,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46779 states. [2021-10-07 15:50:07,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46779 to 44885. [2021-10-07 15:50:07,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44885 states, 41276 states have (on average 5.741350906095552) internal successors, (236980), 44884 states have internal predecessors, (236980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:50:08,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44885 states to 44885 states and 236980 transitions. [2021-10-07 15:50:08,043 INFO L78 Accepts]: Start accepts. Automaton has 44885 states and 236980 transitions. Word has length 2 [2021-10-07 15:50:08,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 15:50:08,043 INFO L470 AbstractCegarLoop]: Abstraction has 44885 states and 236980 transitions. [2021-10-07 15:50:08,044 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:50:08,044 INFO L276 IsEmpty]: Start isEmpty. Operand 44885 states and 236980 transitions. [2021-10-07 15:50:08,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-10-07 15:50:08,044 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:50:08,044 INFO L512 BasicCegarLoop]: trace histogram [1, 1] [2021-10-07 15:50:08,054 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-07 15:50:08,252 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-07 15:50:08,253 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 66 more)] === [2021-10-07 15:50:08,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:50:08,253 INFO L82 PathProgramCache]: Analyzing trace with hash 37369, now seen corresponding path program 1 times [2021-10-07 15:50:08,254 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-07 15:50:08,254 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1520758380] [2021-10-07 15:50:08,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:50:08,255 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-07 15:50:08,255 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-07 15:50:08,257 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-07 15:50:08,259 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-07 15:50:08,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:50:08,347 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-07 15:50:08,348 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 15:50:08,538 INFO L354 Elim1Store]: treesize reduction 151, result has 21.8 percent of original size [2021-10-07 15:50:08,539 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 46 treesize of output 74 [2021-10-07 15:50:08,552 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 172 treesize of output 168 [2021-10-07 15:50:09,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:50:09,194 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-07 15:50:09,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:50:09,226 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-07 15:50:09,226 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1520758380] [2021-10-07 15:50:09,226 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1520758380] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-07 15:50:09,226 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-07 15:50:09,226 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1, 1] imperfect sequences [] total 2 [2021-10-07 15:50:09,227 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682840832] [2021-10-07 15:50:09,227 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-07 15:50:09,227 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-07 15:50:09,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-07 15:50:09,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-07 15:50:09,228 INFO L87 Difference]: Start difference. First operand 44885 states and 236980 transitions. Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:50:14,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 15:50:14,906 INFO L93 Difference]: Finished difference Result 59760 states and 306008 transitions. [2021-10-07 15:50:14,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-07 15:50:14,907 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 2 [2021-10-07 15:50:14,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 15:50:15,835 INFO L225 Difference]: With dead ends: 59760 [2021-10-07 15:50:15,835 INFO L226 Difference]: Without dead ends: 59760 [2021-10-07 15:50:15,836 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 33.2ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-07 15:50:16,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59760 states. [2021-10-07 15:50:18,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59760 to 44881. [2021-10-07 15:50:18,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44881 states, 41273 states have (on average 5.741477479223706) internal successors, (236968), 44880 states have internal predecessors, (236968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:50:18,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44881 states to 44881 states and 236968 transitions. [2021-10-07 15:50:18,537 INFO L78 Accepts]: Start accepts. Automaton has 44881 states and 236968 transitions. Word has length 2 [2021-10-07 15:50:18,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 15:50:18,538 INFO L470 AbstractCegarLoop]: Abstraction has 44881 states and 236968 transitions. [2021-10-07 15:50:18,538 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:50:18,538 INFO L276 IsEmpty]: Start isEmpty. Operand 44881 states and 236968 transitions. [2021-10-07 15:50:18,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-07 15:50:18,539 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:50:18,539 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1] [2021-10-07 15:50:18,548 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-07 15:50:18,744 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-07 15:50:18,745 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 66 more)] === [2021-10-07 15:50:18,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:50:18,746 INFO L82 PathProgramCache]: Analyzing trace with hash 35883138, now seen corresponding path program 1 times [2021-10-07 15:50:18,747 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-07 15:50:18,747 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1306714233] [2021-10-07 15:50:18,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:50:18,748 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-07 15:50:18,748 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-07 15:50:18,749 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-07 15:50:18,751 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-07 15:50:18,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:50:18,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-07 15:50:18,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 15:50:18,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-07 15:50:18,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-07 15:50:19,023 INFO L354 Elim1Store]: treesize reduction 141, result has 26.9 percent of original size [2021-10-07 15:50:19,024 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 20 treesize of output 59 [2021-10-07 15:50:19,165 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:50:19,166 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-07 15:50:19,713 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:50:19,714 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-07 15:50:19,714 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1306714233] [2021-10-07 15:50:19,714 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1306714233] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-07 15:50:19,714 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-07 15:50:19,714 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 6 [2021-10-07 15:50:19,714 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365660910] [2021-10-07 15:50:19,715 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-07 15:50:19,715 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-07 15:50:19,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-07 15:50:19,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-07 15:50:19,716 INFO L87 Difference]: Start difference. First operand 44881 states and 236968 transitions. Second operand has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:50:23,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 15:50:23,207 INFO L93 Difference]: Finished difference Result 44950 states and 237110 transitions. [2021-10-07 15:50:23,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-07 15:50:23,208 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2021-10-07 15:50:23,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 15:50:24,135 INFO L225 Difference]: With dead ends: 44950 [2021-10-07 15:50:24,135 INFO L226 Difference]: Without dead ends: 44950 [2021-10-07 15:50:24,139 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1636.2ms TimeCoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2021-10-07 15:50:24,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44950 states. [2021-10-07 15:50:26,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44950 to 44885. [2021-10-07 15:50:26,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44885 states, 41277 states have (on average 5.741114906606585) internal successors, (236976), 44884 states have internal predecessors, (236976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:50:26,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44885 states to 44885 states and 236976 transitions. [2021-10-07 15:50:26,543 INFO L78 Accepts]: Start accepts. Automaton has 44885 states and 236976 transitions. Word has length 4 [2021-10-07 15:50:26,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 15:50:26,543 INFO L470 AbstractCegarLoop]: Abstraction has 44885 states and 236976 transitions. [2021-10-07 15:50:26,543 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:50:26,543 INFO L276 IsEmpty]: Start isEmpty. Operand 44885 states and 236976 transitions. [2021-10-07 15:50:26,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-07 15:50:26,544 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:50:26,544 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-10-07 15:50:26,553 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-07 15:50:26,746 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-07 15:50:26,747 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 66 more)] === [2021-10-07 15:50:26,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:50:26,750 INFO L82 PathProgramCache]: Analyzing trace with hash 176294826, now seen corresponding path program 1 times [2021-10-07 15:50:26,750 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-07 15:50:26,750 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1209030080] [2021-10-07 15:50:26,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:50:26,751 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-07 15:50:26,751 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-07 15:50:26,752 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-07 15:50:26,753 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-07 15:50:26,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:50:26,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-07 15:50:26,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 15:50:26,975 INFO L354 Elim1Store]: treesize reduction 232, result has 18.9 percent of original size [2021-10-07 15:50:26,976 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 21 treesize of output 59 [2021-10-07 15:50:27,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:50:27,327 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-07 15:50:27,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:50:27,344 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-07 15:50:27,344 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1209030080] [2021-10-07 15:50:27,345 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1209030080] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-07 15:50:27,345 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-07 15:50:27,345 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1, 1] imperfect sequences [] total 1 [2021-10-07 15:50:27,345 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303258760] [2021-10-07 15:50:27,345 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-07 15:50:27,346 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-07 15:50:27,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-07 15:50:27,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-07 15:50:27,347 INFO L87 Difference]: Start difference. First operand 44885 states and 236976 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:50:28,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 15:50:28,549 INFO L93 Difference]: Finished difference Result 45953 states and 240918 transitions. [2021-10-07 15:50:28,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-07 15:50:28,549 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 [2021-10-07 15:50:28,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 15:50:28,828 INFO L225 Difference]: With dead ends: 45953 [2021-10-07 15:50:28,829 INFO L226 Difference]: Without dead ends: 45953 [2021-10-07 15:50:28,829 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-07 15:50:29,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45953 states. [2021-10-07 15:50:30,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45953 to 45122. [2021-10-07 15:50:30,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45122 states, 41554 states have (on average 5.730543389324734) internal successors, (238127), 45121 states have internal predecessors, (238127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:50:31,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45122 states to 45122 states and 238127 transitions. [2021-10-07 15:50:31,513 INFO L78 Accepts]: Start accepts. Automaton has 45122 states and 238127 transitions. Word has length 6 [2021-10-07 15:50:31,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 15:50:31,514 INFO L470 AbstractCegarLoop]: Abstraction has 45122 states and 238127 transitions. [2021-10-07 15:50:31,514 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:50:31,515 INFO L276 IsEmpty]: Start isEmpty. Operand 45122 states and 238127 transitions. [2021-10-07 15:50:31,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-07 15:50:31,515 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:50:31,515 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-10-07 15:50:31,529 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2021-10-07 15:50:31,729 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-07 15:50:31,729 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 66 more)] === [2021-10-07 15:50:31,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:50:31,731 INFO L82 PathProgramCache]: Analyzing trace with hash 176294827, now seen corresponding path program 1 times [2021-10-07 15:50:31,731 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-07 15:50:31,731 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [693970499] [2021-10-07 15:50:31,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:50:31,732 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-07 15:50:31,732 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-07 15:50:31,733 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-07 15:50:31,735 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-07 15:50:31,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:50:31,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-07 15:50:31,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 15:50:31,945 INFO L354 Elim1Store]: treesize reduction 155, result has 19.7 percent of original size [2021-10-07 15:50:31,946 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 43 treesize of output 67 [2021-10-07 15:50:31,953 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 123 treesize of output 119 [2021-10-07 15:50:34,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:50:34,649 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-07 15:50:34,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:50:34,748 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-07 15:50:34,748 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [693970499] [2021-10-07 15:50:34,748 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [693970499] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-07 15:50:34,748 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-07 15:50:34,748 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1, 1] imperfect sequences [] total 2 [2021-10-07 15:50:34,748 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357985120] [2021-10-07 15:50:34,749 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-07 15:50:34,749 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-07 15:50:34,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-07 15:50:34,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-07 15:50:34,750 INFO L87 Difference]: Start difference. First operand 45122 states and 238127 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 3 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) [2021-10-07 15:50:40,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 15:50:40,286 INFO L93 Difference]: Finished difference Result 45717 states and 240238 transitions. [2021-10-07 15:50:40,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-07 15:50:40,287 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 3 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 [2021-10-07 15:50:40,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 15:50:40,654 INFO L225 Difference]: With dead ends: 45717 [2021-10-07 15:50:40,655 INFO L226 Difference]: Without dead ends: 45717 [2021-10-07 15:50:40,655 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2040.1ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-07 15:50:40,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45717 states. [2021-10-07 15:50:42,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45717 to 45211. [2021-10-07 15:50:42,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45211 states, 41643 states have (on average 5.7296304300842875) internal successors, (238599), 45210 states have internal predecessors, (238599), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:50:43,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45211 states to 45211 states and 238599 transitions. [2021-10-07 15:50:43,357 INFO L78 Accepts]: Start accepts. Automaton has 45211 states and 238599 transitions. Word has length 6 [2021-10-07 15:50:43,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 15:50:43,358 INFO L470 AbstractCegarLoop]: Abstraction has 45211 states and 238599 transitions. [2021-10-07 15:50:43,358 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 3 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) [2021-10-07 15:50:43,358 INFO L276 IsEmpty]: Start isEmpty. Operand 45211 states and 238599 transitions. [2021-10-07 15:50:43,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-07 15:50:43,359 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:50:43,359 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-07 15:50:43,386 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-07 15:50:43,571 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-07 15:50:43,572 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 66 more)] === [2021-10-07 15:50:43,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:50:43,573 INFO L82 PathProgramCache]: Analyzing trace with hash 1915794634, now seen corresponding path program 1 times [2021-10-07 15:50:43,574 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-07 15:50:43,574 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1819807698] [2021-10-07 15:50:43,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:50:43,575 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-07 15:50:43,575 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-07 15:50:43,576 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-07 15:50:43,577 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-07 15:50:43,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:50:43,676 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-07 15:50:43,678 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 15:50:43,835 INFO L354 Elim1Store]: treesize reduction 155, result has 19.7 percent of original size [2021-10-07 15:50:43,836 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 64 treesize of output 88 [2021-10-07 15:50:44,043 INFO L354 Elim1Store]: treesize reduction 232, result has 18.9 percent of original size [2021-10-07 15:50:44,043 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 5 case distinctions, treesize of input 207 treesize of output 240 [2021-10-07 15:50:50,239 INFO L354 Elim1Store]: treesize reduction 100, result has 20.0 percent of original size [2021-10-07 15:50:50,240 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 90 treesize of output 103 [2021-10-07 15:50:50,341 INFO L354 Elim1Store]: treesize reduction 24, result has 70.4 percent of original size [2021-10-07 15:50:50,342 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 94 treesize of output 140 [2021-10-07 15:50:51,485 INFO L354 Elim1Store]: treesize reduction 100, result has 20.0 percent of original size [2021-10-07 15:50:51,485 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 49 treesize of output 64 [2021-10-07 15:50:54,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:50:54,230 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-07 15:50:54,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:50:54,645 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-07 15:50:54,645 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1819807698] [2021-10-07 15:50:54,645 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1819807698] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-07 15:50:54,645 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-07 15:50:54,646 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 6 [2021-10-07 15:50:54,646 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429002857] [2021-10-07 15:50:54,646 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-07 15:50:54,646 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-07 15:50:54,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-07 15:50:54,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=30, Unknown=1, NotChecked=0, Total=56 [2021-10-07 15:50:54,647 INFO L87 Difference]: Start difference. First operand 45211 states and 238599 transitions. Second operand has 8 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 7 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:51:13,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 15:51:13,767 INFO L93 Difference]: Finished difference Result 47228 states and 245733 transitions. [2021-10-07 15:51:13,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-07 15:51:13,768 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 7 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-10-07 15:51:13,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 15:51:14,032 INFO L225 Difference]: With dead ends: 47228 [2021-10-07 15:51:14,032 INFO L226 Difference]: Without dead ends: 47228 [2021-10-07 15:51:14,033 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 2381.3ms TimeCoverageRelationStatistics Valid=33, Invalid=38, Unknown=1, NotChecked=0, Total=72 [2021-10-07 15:51:14,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47228 states. [2021-10-07 15:51:15,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47228 to 44882. [2021-10-07 15:51:15,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44882 states, 41396 states have (on average 5.730191322833124) internal successors, (237207), 44881 states have internal predecessors, (237207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:51:16,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44882 states to 44882 states and 237207 transitions. [2021-10-07 15:51:16,554 INFO L78 Accepts]: Start accepts. Automaton has 44882 states and 237207 transitions. Word has length 8 [2021-10-07 15:51:16,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 15:51:16,555 INFO L470 AbstractCegarLoop]: Abstraction has 44882 states and 237207 transitions. [2021-10-07 15:51:16,555 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 7 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:51:16,555 INFO L276 IsEmpty]: Start isEmpty. Operand 44882 states and 237207 transitions. [2021-10-07 15:51:16,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-07 15:51:16,556 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:51:16,556 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-07 15:51:16,566 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-10-07 15:51:16,762 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 [2021-10-07 15:51:16,763 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err0REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 66 more)] === [2021-10-07 15:51:16,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:51:16,764 INFO L82 PathProgramCache]: Analyzing trace with hash 1598641812, now seen corresponding path program 1 times [2021-10-07 15:51:16,765 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-07 15:51:16,765 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [246318328] [2021-10-07 15:51:16,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:51:16,766 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-07 15:51:16,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-07 15:51:16,767 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) [2021-10-07 15:51:16,769 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-10-07 15:51:16,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:51:16,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-07 15:51:16,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 15:51:16,889 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-10-07 15:51:16,914 INFO L354 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2021-10-07 15:51:16,915 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 20 treesize of output 27 [2021-10-07 15:51:16,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:51:16,986 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-07 15:51:19,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:51:19,028 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-07 15:51:19,028 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [246318328] [2021-10-07 15:51:19,028 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [246318328] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-07 15:51:19,028 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-07 15:51:19,028 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-07 15:51:19,029 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157481602] [2021-10-07 15:51:19,029 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-07 15:51:19,029 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-07 15:51:19,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-07 15:51:19,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=9, Unknown=1, NotChecked=0, Total=20 [2021-10-07 15:51:19,030 INFO L87 Difference]: Start difference. First operand 44882 states and 237207 transitions. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:51:20,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 15:51:20,668 INFO L93 Difference]: Finished difference Result 40707 states and 208317 transitions. [2021-10-07 15:51:20,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-07 15:51:20,668 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-10-07 15:51:20,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 15:51:20,961 INFO L225 Difference]: With dead ends: 40707 [2021-10-07 15:51:20,961 INFO L226 Difference]: Without dead ends: 40707 [2021-10-07 15:51:20,961 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 2033.0ms TimeCoverageRelationStatistics Valid=10, Invalid=9, Unknown=1, NotChecked=0, Total=20 [2021-10-07 15:51:21,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40707 states. [2021-10-07 15:51:22,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40707 to 39092. [2021-10-07 15:51:22,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39092 states, 36406 states have (on average 5.563780695489754) internal successors, (202555), 39091 states have internal predecessors, (202555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:51:22,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39092 states to 39092 states and 202555 transitions. [2021-10-07 15:51:22,867 INFO L78 Accepts]: Start accepts. Automaton has 39092 states and 202555 transitions. Word has length 8 [2021-10-07 15:51:22,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 15:51:22,868 INFO L470 AbstractCegarLoop]: Abstraction has 39092 states and 202555 transitions. [2021-10-07 15:51:22,868 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:51:22,868 INFO L276 IsEmpty]: Start isEmpty. Operand 39092 states and 202555 transitions. [2021-10-07 15:51:22,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-07 15:51:22,869 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:51:22,869 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-07 15:51:22,879 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-10-07 15:51:23,077 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 [2021-10-07 15:51:23,078 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err1REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 66 more)] === [2021-10-07 15:51:23,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:51:23,079 INFO L82 PathProgramCache]: Analyzing trace with hash 1598641813, now seen corresponding path program 1 times [2021-10-07 15:51:23,080 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-07 15:51:23,080 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [59306749] [2021-10-07 15:51:23,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:51:23,080 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-07 15:51:23,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-07 15:51:23,082 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) [2021-10-07 15:51:23,084 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-10-07 15:51:23,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:51:23,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-07 15:51:23,196 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 15:51:23,209 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-10-07 15:51:23,213 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-10-07 15:51:23,248 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-10-07 15:51:23,249 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 25 treesize of output 27 [2021-10-07 15:51:23,257 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-10-07 15:51:23,257 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 24 treesize of output 24 [2021-10-07 15:51:23,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:51:23,317 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-07 15:51:25,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:51:25,531 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-07 15:51:25,531 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [59306749] [2021-10-07 15:51:25,531 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [59306749] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-07 15:51:25,531 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-07 15:51:25,531 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-10-07 15:51:25,532 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539457626] [2021-10-07 15:51:25,532 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-07 15:51:25,532 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-07 15:51:25,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-07 15:51:25,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=16, Unknown=1, NotChecked=0, Total=30 [2021-10-07 15:51:25,533 INFO L87 Difference]: Start difference. First operand 39092 states and 202555 transitions. Second operand has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:51:33,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 15:51:33,934 INFO L93 Difference]: Finished difference Result 34689 states and 172110 transitions. [2021-10-07 15:51:33,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-07 15:51:33,935 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-10-07 15:51:33,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 15:51:34,294 INFO L225 Difference]: With dead ends: 34689 [2021-10-07 15:51:34,294 INFO L226 Difference]: Without dead ends: 34689 [2021-10-07 15:51:34,294 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 8265.2ms TimeCoverageRelationStatistics Valid=26, Invalid=28, Unknown=2, NotChecked=0, Total=56 [2021-10-07 15:51:34,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34689 states. [2021-10-07 15:51:35,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34689 to 32978. [2021-10-07 15:51:35,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32978 states, 31119 states have (on average 5.349240014139272) internal successors, (166463), 32977 states have internal predecessors, (166463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:51:36,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32978 states to 32978 states and 166463 transitions. [2021-10-07 15:51:36,100 INFO L78 Accepts]: Start accepts. Automaton has 32978 states and 166463 transitions. Word has length 8 [2021-10-07 15:51:36,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 15:51:36,101 INFO L470 AbstractCegarLoop]: Abstraction has 32978 states and 166463 transitions. [2021-10-07 15:51:36,101 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:51:36,101 INFO L276 IsEmpty]: Start isEmpty. Operand 32978 states and 166463 transitions. [2021-10-07 15:51:36,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-07 15:51:36,102 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:51:36,102 INFO L512 BasicCegarLoop]: trace histogram [6, 1, 1] [2021-10-07 15:51:36,111 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-10-07 15:51:36,311 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 [2021-10-07 15:51:36,312 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 66 more)] === [2021-10-07 15:51:36,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:51:36,313 INFO L82 PathProgramCache]: Analyzing trace with hash -1023959358, now seen corresponding path program 2 times [2021-10-07 15:51:36,313 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-07 15:51:36,314 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [749299646] [2021-10-07 15:51:36,314 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-07 15:51:36,314 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-07 15:51:36,314 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-07 15:51:36,317 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-07 15:51:36,317 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-10-07 15:51:36,457 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-07 15:51:36,457 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-07 15:51:36,463 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 16 conjunts are in the unsatisfiable core [2021-10-07 15:51:36,465 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 15:51:36,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-07 15:51:36,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-07 15:51:36,751 INFO L354 Elim1Store]: treesize reduction 141, result has 26.9 percent of original size [2021-10-07 15:51:36,751 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 20 treesize of output 59 [2021-10-07 15:51:37,172 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:51:37,172 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-07 15:51:39,118 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:51:39,118 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-07 15:51:39,118 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [749299646] [2021-10-07 15:51:39,118 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [749299646] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-07 15:51:39,118 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-07 15:51:39,119 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2021-10-07 15:51:39,119 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455950773] [2021-10-07 15:51:39,119 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-10-07 15:51:39,119 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-07 15:51:39,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-10-07 15:51:39,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2021-10-07 15:51:39,120 INFO L87 Difference]: Start difference. First operand 32978 states and 166463 transitions. Second operand has 16 states, 15 states have (on average 1.0666666666666667) internal successors, (16), 15 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:52:06,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 15:52:06,811 INFO L93 Difference]: Finished difference Result 164941 states and 832429 transitions. [2021-10-07 15:52:06,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-10-07 15:52:06,814 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.0666666666666667) internal successors, (16), 15 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-10-07 15:52:06,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 15:52:08,770 INFO L225 Difference]: With dead ends: 164941 [2021-10-07 15:52:08,770 INFO L226 Difference]: Without dead ends: 164941 [2021-10-07 15:52:08,771 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 9979.8ms TimeCoverageRelationStatistics Valid=257, Invalid=445, Unknown=0, NotChecked=0, Total=702 [2021-10-07 15:52:09,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164941 states. [2021-10-07 15:52:12,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164941 to 32986. [2021-10-07 15:52:12,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32986 states, 31127 states have (on average 5.34837922061233) internal successors, (166479), 32985 states have internal predecessors, (166479), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:52:12,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32986 states to 32986 states and 166479 transitions. [2021-10-07 15:52:12,938 INFO L78 Accepts]: Start accepts. Automaton has 32986 states and 166479 transitions. Word has length 8 [2021-10-07 15:52:12,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 15:52:12,938 INFO L470 AbstractCegarLoop]: Abstraction has 32986 states and 166479 transitions. [2021-10-07 15:52:12,938 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 1.0666666666666667) internal successors, (16), 15 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:52:12,938 INFO L276 IsEmpty]: Start isEmpty. Operand 32986 states and 166479 transitions. [2021-10-07 15:52:12,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-07 15:52:12,939 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:52:12,939 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-07 15:52:12,957 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-10-07 15:52:13,151 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-07 15:52:13,152 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr7REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 66 more)] === [2021-10-07 15:52:13,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:52:13,153 INFO L82 PathProgramCache]: Analyzing trace with hash -1625623886, now seen corresponding path program 1 times [2021-10-07 15:52:13,153 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-07 15:52:13,154 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [928568289] [2021-10-07 15:52:13,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:52:13,154 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-07 15:52:13,155 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-07 15:52:13,156 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-07 15:52:13,157 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-10-07 15:52:13,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:52:13,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-07 15:52:13,309 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 15:52:13,430 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-10-07 15:52:13,431 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 27 treesize of output 29 [2021-10-07 15:52:13,443 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-10-07 15:52:13,443 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 26 treesize of output 26 [2021-10-07 15:52:13,544 INFO L354 Elim1Store]: treesize reduction 32, result has 31.9 percent of original size [2021-10-07 15:52:13,545 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 23 treesize of output 32 [2021-10-07 15:52:13,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:52:13,612 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-07 15:52:14,096 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-07 15:52:14,096 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [928568289] [2021-10-07 15:52:14,097 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Alternating quantifiers not yet supported [2021-10-07 15:52:14,097 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1191285265] [2021-10-07 15:52:14,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:52:14,097 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-07 15:52:14,097 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/cvc4 [2021-10-07 15:52:14,100 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-07 15:52:14,120 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2021-10-07 15:52:14,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:52:14,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-07 15:52:14,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 15:52:14,612 INFO L354 Elim1Store]: treesize reduction 151, result has 21.8 percent of original size [2021-10-07 15:52:14,612 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 48 treesize of output 76 [2021-10-07 15:52:14,621 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 98 treesize of output 96 [2021-10-07 15:52:16,487 INFO L354 Elim1Store]: treesize reduction 32, result has 31.9 percent of original size [2021-10-07 15:52:16,488 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 46 treesize of output 53 [2021-10-07 15:52:16,507 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-10-07 15:52:16,508 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 47 treesize of output 47 [2021-10-07 15:52:18,999 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Alternating quantifiers not yet supported [2021-10-07 15:52:19,000 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [5938367] [2021-10-07 15:52:19,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:52:19,000 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-07 15:52:19,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-07 15:52:19,007 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-07 15:52:19,012 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-10-07 15:52:19,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:52:19,202 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-07 15:52:19,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 15:52:19,408 INFO L354 Elim1Store]: treesize reduction 161, result has 16.6 percent of original size [2021-10-07 15:52:19,408 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 62 treesize of output 80 [2021-10-07 15:52:19,418 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-10-07 15:52:19,418 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 201 treesize of output 197 [2021-10-07 15:52:22,313 INFO L354 Elim1Store]: treesize reduction 62, result has 24.4 percent of original size [2021-10-07 15:52:22,314 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 61 [2021-10-07 15:52:22,331 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-10-07 15:52:22,331 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 52 treesize of output 52 [2021-10-07 15:52:24,784 INFO L354 Elim1Store]: treesize reduction 62, result has 24.4 percent of original size [2021-10-07 15:52:24,784 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 36 treesize of output 48 [2021-10-07 15:52:26,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:52:26,326 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-07 15:52:26,834 INFO L354 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2021-10-07 15:52:26,835 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 30 treesize of output 29 [2021-10-07 15:52:28,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:52:28,969 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [5938367] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-07 15:52:28,969 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-07 15:52:28,969 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 4] imperfect sequences [] total 6 [2021-10-07 15:52:28,969 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878495178] [2021-10-07 15:52:28,969 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-07 15:52:28,969 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-07 15:52:28,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-07 15:52:28,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=108, Unknown=3, NotChecked=0, Total=182 [2021-10-07 15:52:28,970 INFO L87 Difference]: Start difference. First operand 32986 states and 166479 transitions. Second operand has 8 states, 7 states have (on average 2.857142857142857) internal successors, (20), 7 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:52:42,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 15:52:42,853 INFO L93 Difference]: Finished difference Result 22615 states and 109575 transitions. [2021-10-07 15:52:42,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-07 15:52:42,854 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 2.857142857142857) internal successors, (20), 7 states have internal predecessors, (20), 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 [2021-10-07 15:52:42,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 15:52:42,968 INFO L225 Difference]: With dead ends: 22615 [2021-10-07 15:52:42,968 INFO L226 Difference]: Without dead ends: 22615 [2021-10-07 15:52:42,969 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 25 SyntacticMatches, 5 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 9853.8ms TimeCoverageRelationStatistics Valid=71, Invalid=108, Unknown=3, NotChecked=0, Total=182 [2021-10-07 15:52:43,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22615 states. [2021-10-07 15:52:43,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22615 to 22527. [2021-10-07 15:52:43,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22527 states, 21540 states have (on average 5.0743732590529245) internal successors, (109302), 22526 states have internal predecessors, (109302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:52:43,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22527 states to 22527 states and 109302 transitions. [2021-10-07 15:52:43,763 INFO L78 Accepts]: Start accepts. Automaton has 22527 states and 109302 transitions. Word has length 10 [2021-10-07 15:52:43,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 15:52:43,763 INFO L470 AbstractCegarLoop]: Abstraction has 22527 states and 109302 transitions. [2021-10-07 15:52:43,763 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.857142857142857) internal successors, (20), 7 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:52:43,764 INFO L276 IsEmpty]: Start isEmpty. Operand 22527 states and 109302 transitions. [2021-10-07 15:52:43,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-07 15:52:43,764 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:52:43,765 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-07 15:52:43,779 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-10-07 15:52:44,001 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2021-10-07 15:52:44,181 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2021-10-07 15:52:44,377 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3,15 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,14 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2021-10-07 15:52:44,377 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err0REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 66 more)] === [2021-10-07 15:52:44,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:52:44,378 INFO L82 PathProgramCache]: Analyzing trace with hash -1303484553, now seen corresponding path program 1 times [2021-10-07 15:52:44,379 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-07 15:52:44,380 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [813685284] [2021-10-07 15:52:44,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:52:44,381 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-07 15:52:44,381 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-07 15:52:44,381 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-07 15:52:44,382 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-10-07 15:52:44,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:52:44,534 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 13 conjunts are in the unsatisfiable core [2021-10-07 15:52:44,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 15:52:44,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:52:44,714 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-07 15:52:44,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:52:44,804 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-07 15:52:44,805 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [813685284] [2021-10-07 15:52:44,805 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [813685284] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-07 15:52:44,805 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-07 15:52:44,805 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 4 [2021-10-07 15:52:44,805 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685794253] [2021-10-07 15:52:44,805 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-07 15:52:44,806 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-07 15:52:44,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-07 15:52:44,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-07 15:52:44,806 INFO L87 Difference]: Start difference. First operand 22527 states and 109302 transitions. Second operand has 6 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:52:46,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 15:52:46,103 INFO L93 Difference]: Finished difference Result 43084 states and 195953 transitions. [2021-10-07 15:52:46,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-07 15:52:46,104 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 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 [2021-10-07 15:52:46,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 15:52:46,399 INFO L225 Difference]: With dead ends: 43084 [2021-10-07 15:52:46,400 INFO L226 Difference]: Without dead ends: 43064 [2021-10-07 15:52:46,400 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 152.0ms TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2021-10-07 15:52:46,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43064 states. [2021-10-07 15:52:47,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43064 to 36889. [2021-10-07 15:52:47,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36889 states, 35861 states have (on average 4.850366693622599) internal successors, (173939), 36888 states have internal predecessors, (173939), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:52:48,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36889 states to 36889 states and 173939 transitions. [2021-10-07 15:52:48,218 INFO L78 Accepts]: Start accepts. Automaton has 36889 states and 173939 transitions. Word has length 10 [2021-10-07 15:52:48,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 15:52:48,218 INFO L470 AbstractCegarLoop]: Abstraction has 36889 states and 173939 transitions. [2021-10-07 15:52:48,218 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:52:48,219 INFO L276 IsEmpty]: Start isEmpty. Operand 36889 states and 173939 transitions. [2021-10-07 15:52:48,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-07 15:52:48,220 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:52:48,220 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-07 15:52:48,232 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2021-10-07 15:52:48,427 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-07 15:52:48,428 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting thread4Err0REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 66 more)] === [2021-10-07 15:52:48,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:52:48,429 INFO L82 PathProgramCache]: Analyzing trace with hash 596857930, now seen corresponding path program 1 times [2021-10-07 15:52:48,430 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-07 15:52:48,430 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1780699750] [2021-10-07 15:52:48,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:52:48,431 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-07 15:52:48,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-07 15:52:48,432 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-07 15:52:48,433 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-10-07 15:52:48,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:52:48,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-07 15:52:48,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 15:52:48,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-10-07 15:52:48,654 INFO L354 Elim1Store]: treesize reduction 12, result has 40.0 percent of original size [2021-10-07 15:52:48,655 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 [2021-10-07 15:52:48,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:52:48,681 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-07 15:52:48,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:52:48,724 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-07 15:52:48,724 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1780699750] [2021-10-07 15:52:48,724 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1780699750] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-07 15:52:48,724 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-07 15:52:48,725 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-07 15:52:48,725 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415228839] [2021-10-07 15:52:48,725 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-07 15:52:48,725 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-07 15:52:48,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-07 15:52:48,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-07 15:52:48,726 INFO L87 Difference]: Start difference. First operand 36889 states and 173939 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 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) [2021-10-07 15:52:49,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 15:52:49,283 INFO L93 Difference]: Finished difference Result 32944 states and 151029 transitions. [2021-10-07 15:52:49,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-07 15:52:49,283 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 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 12 [2021-10-07 15:52:49,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 15:52:50,074 INFO L225 Difference]: With dead ends: 32944 [2021-10-07 15:52:50,074 INFO L226 Difference]: Without dead ends: 32944 [2021-10-07 15:52:50,075 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 25.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-07 15:52:50,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32944 states. [2021-10-07 15:52:50,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32944 to 32377. [2021-10-07 15:52:51,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32377 states, 31559 states have (on average 4.731423682626192) internal successors, (149319), 32376 states have internal predecessors, (149319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:52:51,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32377 states to 32377 states and 149319 transitions. [2021-10-07 15:52:51,156 INFO L78 Accepts]: Start accepts. Automaton has 32377 states and 149319 transitions. Word has length 12 [2021-10-07 15:52:51,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 15:52:51,157 INFO L470 AbstractCegarLoop]: Abstraction has 32377 states and 149319 transitions. [2021-10-07 15:52:51,157 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 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) [2021-10-07 15:52:51,157 INFO L276 IsEmpty]: Start isEmpty. Operand 32377 states and 149319 transitions. [2021-10-07 15:52:51,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-07 15:52:51,158 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:52:51,158 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-07 15:52:51,168 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2021-10-07 15:52:51,364 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 [2021-10-07 15:52:51,365 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting thread4Err1REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 66 more)] === [2021-10-07 15:52:51,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:52:51,366 INFO L82 PathProgramCache]: Analyzing trace with hash 596857931, now seen corresponding path program 1 times [2021-10-07 15:52:51,367 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-07 15:52:51,367 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1457699078] [2021-10-07 15:52:51,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:52:51,367 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-07 15:52:51,368 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-07 15:52:51,369 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) [2021-10-07 15:52:51,371 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2021-10-07 15:52:51,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:52:51,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-07 15:52:51,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 15:52:51,576 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-10-07 15:52:51,582 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-10-07 15:52:51,624 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-10-07 15:52:51,625 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 1 case distinctions, treesize of input 28 treesize of output 30 [2021-10-07 15:52:51,639 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-10-07 15:52:51,640 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 27 treesize of output 27 [2021-10-07 15:52:51,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:52:51,714 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-07 15:52:53,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:52:53,913 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-07 15:52:53,913 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1457699078] [2021-10-07 15:52:53,913 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1457699078] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-07 15:52:53,913 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-07 15:52:53,913 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-10-07 15:52:53,914 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083369997] [2021-10-07 15:52:53,914 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-07 15:52:53,914 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-07 15:52:53,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-07 15:52:53,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=16, Unknown=1, NotChecked=0, Total=30 [2021-10-07 15:52:53,915 INFO L87 Difference]: Start difference. First operand 32377 states and 149319 transitions. Second operand has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 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) [2021-10-07 15:53:02,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 15:53:02,174 INFO L93 Difference]: Finished difference Result 29464 states and 129227 transitions. [2021-10-07 15:53:02,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-07 15:53:02,175 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 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 12 [2021-10-07 15:53:02,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 15:53:02,326 INFO L225 Difference]: With dead ends: 29464 [2021-10-07 15:53:02,326 INFO L226 Difference]: Without dead ends: 29464 [2021-10-07 15:53:02,327 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 8259.5ms TimeCoverageRelationStatistics Valid=26, Invalid=28, Unknown=2, NotChecked=0, Total=56 [2021-10-07 15:53:02,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29464 states. [2021-10-07 15:53:03,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29464 to 27510. [2021-10-07 15:53:03,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27510 states, 26929 states have (on average 4.569906049240596) internal successors, (123063), 27509 states have internal predecessors, (123063), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:53:03,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27510 states to 27510 states and 123063 transitions. [2021-10-07 15:53:03,388 INFO L78 Accepts]: Start accepts. Automaton has 27510 states and 123063 transitions. Word has length 12 [2021-10-07 15:53:03,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 15:53:03,388 INFO L470 AbstractCegarLoop]: Abstraction has 27510 states and 123063 transitions. [2021-10-07 15:53:03,389 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 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) [2021-10-07 15:53:03,389 INFO L276 IsEmpty]: Start isEmpty. Operand 27510 states and 123063 transitions. [2021-10-07 15:53:03,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-07 15:53:03,390 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:53:03,390 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-07 15:53:03,402 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2021-10-07 15:53:03,601 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 [2021-10-07 15:53:03,602 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting thread1Err2REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 66 more)] === [2021-10-07 15:53:03,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:53:03,603 INFO L82 PathProgramCache]: Analyzing trace with hash 1481827363, now seen corresponding path program 1 times [2021-10-07 15:53:03,603 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-07 15:53:03,604 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1422631922] [2021-10-07 15:53:03,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:53:03,604 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-07 15:53:03,605 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-07 15:53:03,606 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) [2021-10-07 15:53:03,607 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2021-10-07 15:53:03,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:53:03,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-07 15:53:03,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 15:53:03,783 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-10-07 15:53:03,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:53:03,814 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-07 15:53:03,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:53:03,846 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-07 15:53:03,846 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1422631922] [2021-10-07 15:53:03,846 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1422631922] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-07 15:53:03,847 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-07 15:53:03,847 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-07 15:53:03,847 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823976310] [2021-10-07 15:53:03,847 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-07 15:53:03,848 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-07 15:53:03,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-07 15:53:03,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-07 15:53:03,849 INFO L87 Difference]: Start difference. First operand 27510 states and 123063 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 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) [2021-10-07 15:53:04,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 15:53:04,723 INFO L93 Difference]: Finished difference Result 26652 states and 117086 transitions. [2021-10-07 15:53:04,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-07 15:53:04,724 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 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 12 [2021-10-07 15:53:04,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 15:53:04,839 INFO L225 Difference]: With dead ends: 26652 [2021-10-07 15:53:04,839 INFO L226 Difference]: Without dead ends: 26652 [2021-10-07 15:53:04,839 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-07 15:53:04,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26652 states. [2021-10-07 15:53:05,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26652 to 26306. [2021-10-07 15:53:05,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26306 states, 25845 states have (on average 4.493519055910234) internal successors, (116135), 26305 states have internal predecessors, (116135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:53:05,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26306 states to 26306 states and 116135 transitions. [2021-10-07 15:53:05,753 INFO L78 Accepts]: Start accepts. Automaton has 26306 states and 116135 transitions. Word has length 12 [2021-10-07 15:53:05,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 15:53:05,753 INFO L470 AbstractCegarLoop]: Abstraction has 26306 states and 116135 transitions. [2021-10-07 15:53:05,753 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 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) [2021-10-07 15:53:05,753 INFO L276 IsEmpty]: Start isEmpty. Operand 26306 states and 116135 transitions. [2021-10-07 15:53:05,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-07 15:53:05,754 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:53:05,754 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-07 15:53:05,766 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (19)] Ended with exit code 0 [2021-10-07 15:53:05,966 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 [2021-10-07 15:53:05,967 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting thread1Err3REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 66 more)] === [2021-10-07 15:53:05,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:53:05,968 INFO L82 PathProgramCache]: Analyzing trace with hash 1481827364, now seen corresponding path program 1 times [2021-10-07 15:53:05,968 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-07 15:53:05,969 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1355661786] [2021-10-07 15:53:05,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:53:05,969 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-07 15:53:05,970 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-07 15:53:05,970 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) [2021-10-07 15:53:05,972 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2021-10-07 15:53:06,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:53:06,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-07 15:53:06,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 15:53:06,170 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-10-07 15:53:06,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:53:06,225 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-07 15:53:06,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:53:06,340 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-07 15:53:06,340 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1355661786] [2021-10-07 15:53:06,340 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1355661786] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-07 15:53:06,341 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-07 15:53:06,341 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-07 15:53:06,341 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093930535] [2021-10-07 15:53:06,341 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-07 15:53:06,341 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-07 15:53:06,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-07 15:53:06,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-07 15:53:06,342 INFO L87 Difference]: Start difference. First operand 26306 states and 116135 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:53:07,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 15:53:07,182 INFO L93 Difference]: Finished difference Result 24526 states and 106943 transitions. [2021-10-07 15:53:07,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-07 15:53:07,183 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 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 12 [2021-10-07 15:53:07,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 15:53:07,377 INFO L225 Difference]: With dead ends: 24526 [2021-10-07 15:53:07,377 INFO L226 Difference]: Without dead ends: 24500 [2021-10-07 15:53:07,377 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 30.6ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-07 15:53:07,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24500 states. [2021-10-07 15:53:08,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24500 to 24500. [2021-10-07 15:53:08,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24500 states, 24171 states have (on average 4.421414091266394) internal successors, (106870), 24499 states have internal predecessors, (106870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:53:08,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24500 states to 24500 states and 106870 transitions. [2021-10-07 15:53:08,369 INFO L78 Accepts]: Start accepts. Automaton has 24500 states and 106870 transitions. Word has length 12 [2021-10-07 15:53:08,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 15:53:08,369 INFO L470 AbstractCegarLoop]: Abstraction has 24500 states and 106870 transitions. [2021-10-07 15:53:08,369 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:53:08,370 INFO L276 IsEmpty]: Start isEmpty. Operand 24500 states and 106870 transitions. [2021-10-07 15:53:08,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-07 15:53:08,371 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:53:08,371 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-07 15:53:08,384 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2021-10-07 15:53:08,585 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 [2021-10-07 15:53:08,585 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting thread2Err0REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 66 more)] === [2021-10-07 15:53:08,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:53:08,586 INFO L82 PathProgramCache]: Analyzing trace with hash 35143319, now seen corresponding path program 1 times [2021-10-07 15:53:08,586 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-07 15:53:08,586 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [502844441] [2021-10-07 15:53:08,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:53:08,587 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-07 15:53:08,587 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-07 15:53:08,588 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) [2021-10-07 15:53:08,591 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2021-10-07 15:53:08,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:53:08,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-07 15:53:08,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 15:53:09,098 INFO L354 Elim1Store]: treesize reduction 232, result has 18.9 percent of original size [2021-10-07 15:53:09,098 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 21 treesize of output 59 [2021-10-07 15:53:09,592 INFO L354 Elim1Store]: treesize reduction 12, result has 40.0 percent of original size [2021-10-07 15:53:09,593 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 17 treesize of output 22 [2021-10-07 15:53:09,654 INFO L354 Elim1Store]: treesize reduction 30, result has 36.2 percent of original size [2021-10-07 15:53:09,654 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 28 treesize of output 39 [2021-10-07 15:53:09,731 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-07 15:53:09,732 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-07 15:53:09,884 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-07 15:53:09,885 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-07 15:53:09,885 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [502844441] [2021-10-07 15:53:09,885 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [502844441] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-07 15:53:09,885 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-07 15:53:09,885 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-10-07 15:53:09,886 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563970474] [2021-10-07 15:53:09,886 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-07 15:53:09,886 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-07 15:53:09,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-07 15:53:09,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-07 15:53:09,887 INFO L87 Difference]: Start difference. First operand 24500 states and 106870 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) [2021-10-07 15:53:11,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 15:53:11,331 INFO L93 Difference]: Finished difference Result 18312 states and 73717 transitions. [2021-10-07 15:53:11,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-07 15:53:11,332 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 12 [2021-10-07 15:53:11,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 15:53:11,400 INFO L225 Difference]: With dead ends: 18312 [2021-10-07 15:53:11,400 INFO L226 Difference]: Without dead ends: 18312 [2021-10-07 15:53:11,400 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 13 SyntacticMatches, 4 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 158.2ms TimeCoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2021-10-07 15:53:11,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18312 states. [2021-10-07 15:53:11,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18312 to 16998. [2021-10-07 15:53:12,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16998 states, 16805 states have (on average 4.203034811068134) internal successors, (70632), 16997 states have internal predecessors, (70632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:53:12,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16998 states to 16998 states and 70632 transitions. [2021-10-07 15:53:12,070 INFO L78 Accepts]: Start accepts. Automaton has 16998 states and 70632 transitions. Word has length 12 [2021-10-07 15:53:12,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 15:53:12,071 INFO L470 AbstractCegarLoop]: Abstraction has 16998 states and 70632 transitions. [2021-10-07 15:53:12,071 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) [2021-10-07 15:53:12,071 INFO L276 IsEmpty]: Start isEmpty. Operand 16998 states and 70632 transitions. [2021-10-07 15:53:12,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-07 15:53:12,072 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:53:12,072 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-07 15:53:12,082 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0 [2021-10-07 15:53:12,273 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 [2021-10-07 15:53:12,273 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting thread2Err1REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 66 more)] === [2021-10-07 15:53:12,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:53:12,275 INFO L82 PathProgramCache]: Analyzing trace with hash 35143320, now seen corresponding path program 1 times [2021-10-07 15:53:12,276 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-07 15:53:12,276 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [179125055] [2021-10-07 15:53:12,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:53:12,277 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-07 15:53:12,277 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-07 15:53:12,279 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) [2021-10-07 15:53:12,280 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2021-10-07 15:53:12,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:53:12,525 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 25 conjunts are in the unsatisfiable core [2021-10-07 15:53:12,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 15:53:12,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-07 15:53:12,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-07 15:53:12,762 INFO L354 Elim1Store]: treesize reduction 141, result has 26.9 percent of original size [2021-10-07 15:53:12,762 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 42 treesize of output 80 [2021-10-07 15:53:13,004 INFO L354 Elim1Store]: treesize reduction 232, result has 18.9 percent of original size [2021-10-07 15:53:13,004 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 80 treesize of output 117 [2021-10-07 15:53:41,277 INFO L354 Elim1Store]: treesize reduction 100, result has 20.0 percent of original size [2021-10-07 15:53:41,278 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 371 treesize of output 318 [2021-10-07 15:53:41,408 INFO L354 Elim1Store]: treesize reduction 28, result has 65.4 percent of original size [2021-10-07 15:53:41,408 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 375 treesize of output 415 [2021-10-07 15:53:51,296 INFO L354 Elim1Store]: treesize reduction 88, result has 29.6 percent of original size [2021-10-07 15:53:51,297 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 204 treesize of output 199 [2021-10-07 15:54:12,888 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:54:12,889 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-07 15:54:25,428 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:54:25,428 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-07 15:54:25,429 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [179125055] [2021-10-07 15:54:25,429 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [179125055] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-07 15:54:25,429 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-07 15:54:25,429 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-10-07 15:54:25,429 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052707115] [2021-10-07 15:54:25,429 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-10-07 15:54:25,430 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-07 15:54:25,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-10-07 15:54:25,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=143, Unknown=2, NotChecked=0, Total=182 [2021-10-07 15:54:25,430 INFO L87 Difference]: Start difference. First operand 16998 states and 70632 transitions. Second operand has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:54:54,866 WARN L207 SmtUtils]: Spent 9.33 s on a formula simplification that was a NOOP. DAG size: 58 [2021-10-07 15:55:06,047 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (forall ((|v_thread1Thread1of1ForFork4_~#t3~0.base_109| (_ BitVec 32)) (|v_thread1Thread1of1ForFork4_~#t2~0.base_161| (_ BitVec 32))) (or (not (bvult |c_#StackHeapBarrier| |v_thread1Thread1of1ForFork4_~#t3~0.base_109|)) (not (= (_ bv0 1) (select |c_#valid| |v_thread1Thread1of1ForFork4_~#t2~0.base_161|))) (let ((.cse3 (bvadd (_ bv8 32) c_ULTIMATE.start_create_fresh_int_array_~arr~0.offset))) (and (bvule .cse3 (select (store (store |c_#length| |v_thread1Thread1of1ForFork4_~#t2~0.base_161| (_ bv4 32)) |v_thread1Thread1of1ForFork4_~#t3~0.base_109| (_ bv4 32)) c_ULTIMATE.start_create_fresh_int_array_~arr~0.base)) (bvule (bvadd (_ bv4 32) c_ULTIMATE.start_create_fresh_int_array_~arr~0.offset) .cse3))))))) (and (or .cse0 (bvslt c_ULTIMATE.start_create_fresh_int_array_~i~0 c_ULTIMATE.start_create_fresh_int_array_~size)) (or (bvslt (bvadd c_ULTIMATE.start_create_fresh_int_array_~i~0 (_ bv1 32)) c_ULTIMATE.start_create_fresh_int_array_~size) (not (bvule (bvadd (_ bv4 32) (bvmul c_ULTIMATE.start_create_fresh_int_array_~i~0 (_ bv4 32)) c_ULTIMATE.start_create_fresh_int_array_~arr~0.offset) (select |c_#length| c_ULTIMATE.start_create_fresh_int_array_~arr~0.base))) .cse0) (forall ((|v_thread1Thread1of1ForFork4_~#t3~0.base_109| (_ BitVec 32)) (|v_thread1Thread1of1ForFork4_~#t2~0.base_161| (_ BitVec 32))) (or (not (bvult |c_#StackHeapBarrier| |v_thread1Thread1of1ForFork4_~#t3~0.base_109|)) (not (= (_ bv0 1) (select |c_#valid| |v_thread1Thread1of1ForFork4_~#t2~0.base_161|))) (let ((.cse1 (bvmul c_~i1~0 (_ bv4 32)))) (let ((.cse2 (bvadd (_ bv8 32) .cse1 c_~x~0.offset))) (and (bvule (bvadd (_ bv4 32) .cse1 c_~x~0.offset) .cse2) (bvule .cse2 (select (store (store |c_#length| |v_thread1Thread1of1ForFork4_~#t2~0.base_161| (_ bv4 32)) |v_thread1Thread1of1ForFork4_~#t3~0.base_109| (_ bv4 32)) c_~x~0.base))))))))) is different from false [2021-10-07 15:57:47,112 WARN L207 SmtUtils]: Spent 6.96 s on a formula simplification. DAG size of input: 93 DAG size of output: 51 [2021-10-07 15:58:06,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 15:58:06,719 INFO L93 Difference]: Finished difference Result 40260 states and 170395 transitions. [2021-10-07 15:58:06,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-07 15:58:06,721 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 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 12 [2021-10-07 15:58:06,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 15:58:06,898 INFO L225 Difference]: With dead ends: 40260 [2021-10-07 15:58:06,899 INFO L226 Difference]: Without dead ends: 40260 [2021-10-07 15:58:06,899 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 79934.0ms TimeCoverageRelationStatistics Valid=145, Invalid=491, Unknown=18, NotChecked=48, Total=702 [2021-10-07 15:58:06,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40260 states. [2021-10-07 15:58:07,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40260 to 20302. [2021-10-07 15:58:07,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20302 states, 20109 states have (on average 4.280918991496345) internal successors, (86085), 20301 states have internal predecessors, (86085), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:58:07,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20302 states to 20302 states and 86085 transitions. [2021-10-07 15:58:07,621 INFO L78 Accepts]: Start accepts. Automaton has 20302 states and 86085 transitions. Word has length 12 [2021-10-07 15:58:07,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 15:58:07,621 INFO L470 AbstractCegarLoop]: Abstraction has 20302 states and 86085 transitions. [2021-10-07 15:58:07,621 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:58:07,622 INFO L276 IsEmpty]: Start isEmpty. Operand 20302 states and 86085 transitions. [2021-10-07 15:58:07,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-07 15:58:07,623 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:58:07,623 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-07 15:58:07,635 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0 [2021-10-07 15:58:07,823 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 [2021-10-07 15:58:07,824 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting thread2Err1REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 66 more)] === [2021-10-07 15:58:07,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:58:07,825 INFO L82 PathProgramCache]: Analyzing trace with hash 1089445010, now seen corresponding path program 1 times [2021-10-07 15:58:07,826 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-07 15:58:07,826 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2048286239] [2021-10-07 15:58:07,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:58:07,827 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-07 15:58:07,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-07 15:58:07,828 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) [2021-10-07 15:58:07,865 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2021-10-07 15:58:08,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:58:08,132 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 19 conjunts are in the unsatisfiable core [2021-10-07 15:58:08,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 15:58:08,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-07 15:58:08,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-07 15:58:08,405 INFO L354 Elim1Store]: treesize reduction 141, result has 26.9 percent of original size [2021-10-07 15:58:08,406 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 20 treesize of output 59 [2021-10-07 15:58:08,621 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 15 treesize of output 11 [2021-10-07 15:58:09,066 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:58:09,066 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-07 15:58:09,521 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:58:09,521 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-07 15:58:09,521 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2048286239] [2021-10-07 15:58:09,521 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2048286239] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-07 15:58:09,521 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-07 15:58:09,522 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2021-10-07 15:58:09,522 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431716568] [2021-10-07 15:58:09,522 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-10-07 15:58:09,523 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-07 15:58:09,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-10-07 15:58:09,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2021-10-07 15:58:09,524 INFO L87 Difference]: Start difference. First operand 20302 states and 86085 transitions. Second operand has 12 states, 11 states have (on average 2.3636363636363638) internal successors, (26), 11 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:58:12,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 15:58:12,423 INFO L93 Difference]: Finished difference Result 33696 states and 139522 transitions. [2021-10-07 15:58:12,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-07 15:58:12,424 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.3636363636363638) internal successors, (26), 11 states have internal predecessors, (26), 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 13 [2021-10-07 15:58:12,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 15:58:12,576 INFO L225 Difference]: With dead ends: 33696 [2021-10-07 15:58:12,576 INFO L226 Difference]: Without dead ends: 33677 [2021-10-07 15:58:12,577 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1149.6ms TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2021-10-07 15:58:12,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33677 states. [2021-10-07 15:58:13,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33677 to 23732. [2021-10-07 15:58:13,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23732 states, 23539 states have (on average 4.327286630697991) internal successors, (101860), 23731 states have internal predecessors, (101860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:58:13,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23732 states to 23732 states and 101860 transitions. [2021-10-07 15:58:13,352 INFO L78 Accepts]: Start accepts. Automaton has 23732 states and 101860 transitions. Word has length 13 [2021-10-07 15:58:13,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 15:58:13,353 INFO L470 AbstractCegarLoop]: Abstraction has 23732 states and 101860 transitions. [2021-10-07 15:58:13,353 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.3636363636363638) internal successors, (26), 11 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:58:13,353 INFO L276 IsEmpty]: Start isEmpty. Operand 23732 states and 101860 transitions. [2021-10-07 15:58:13,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-07 15:58:13,354 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:58:13,354 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-07 15:58:13,364 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (23)] Forceful destruction successful, exit code 0 [2021-10-07 15:58:13,554 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 [2021-10-07 15:58:13,555 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting thread5Err1REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 66 more)] === [2021-10-07 15:58:13,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:58:13,556 INFO L82 PathProgramCache]: Analyzing trace with hash -1945120720, now seen corresponding path program 1 times [2021-10-07 15:58:13,556 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-07 15:58:13,556 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1727878549] [2021-10-07 15:58:13,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:58:13,557 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-07 15:58:13,557 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-07 15:58:13,559 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) [2021-10-07 15:58:13,560 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2021-10-07 15:58:13,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:58:13,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 13 conjunts are in the unsatisfiable core [2021-10-07 15:58:13,838 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 15:58:14,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:58:14,089 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-07 15:58:14,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:58:14,205 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-07 15:58:14,205 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1727878549] [2021-10-07 15:58:14,205 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1727878549] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-07 15:58:14,206 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-07 15:58:14,206 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 4 [2021-10-07 15:58:14,206 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761066713] [2021-10-07 15:58:14,206 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-07 15:58:14,206 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-07 15:58:14,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-07 15:58:14,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-07 15:58:14,207 INFO L87 Difference]: Start difference. First operand 23732 states and 101860 transitions. Second operand has 6 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:58:14,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 15:58:14,870 INFO L93 Difference]: Finished difference Result 25799 states and 106149 transitions. [2021-10-07 15:58:14,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-07 15:58:14,871 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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 14 [2021-10-07 15:58:14,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 15:58:15,003 INFO L225 Difference]: With dead ends: 25799 [2021-10-07 15:58:15,004 INFO L226 Difference]: Without dead ends: 25563 [2021-10-07 15:58:15,004 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 163.2ms TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2021-10-07 15:58:15,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25563 states. [2021-10-07 15:58:15,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25563 to 24339. [2021-10-07 15:58:15,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24339 states, 24146 states have (on average 4.220367762776443) internal successors, (101905), 24338 states have internal predecessors, (101905), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:58:15,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24339 states to 24339 states and 101905 transitions. [2021-10-07 15:58:15,971 INFO L78 Accepts]: Start accepts. Automaton has 24339 states and 101905 transitions. Word has length 14 [2021-10-07 15:58:15,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 15:58:15,971 INFO L470 AbstractCegarLoop]: Abstraction has 24339 states and 101905 transitions. [2021-10-07 15:58:15,971 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:58:15,972 INFO L276 IsEmpty]: Start isEmpty. Operand 24339 states and 101905 transitions. [2021-10-07 15:58:15,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-07 15:58:15,973 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:58:15,974 INFO L512 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-07 15:58:15,983 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (24)] Forceful destruction successful, exit code 0 [2021-10-07 15:58:16,179 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 [2021-10-07 15:58:16,180 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting thread2Err1REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 66 more)] === [2021-10-07 15:58:16,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:58:16,199 INFO L82 PathProgramCache]: Analyzing trace with hash -1048926407, now seen corresponding path program 2 times [2021-10-07 15:58:16,199 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-07 15:58:16,199 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [79508157] [2021-10-07 15:58:16,199 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-07 15:58:16,200 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-07 15:58:16,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-07 15:58:16,200 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-07 15:58:16,201 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2021-10-07 15:58:16,570 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-07 15:58:16,570 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-07 15:58:16,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 27 conjunts are in the unsatisfiable core [2021-10-07 15:58:16,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 15:58:16,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-07 15:58:16,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-07 15:58:16,827 INFO L354 Elim1Store]: treesize reduction 141, result has 26.9 percent of original size [2021-10-07 15:58:16,827 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 42 treesize of output 80 [2021-10-07 15:58:17,072 INFO L354 Elim1Store]: treesize reduction 232, result has 18.9 percent of original size [2021-10-07 15:58:17,073 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 80 treesize of output 117 [2021-10-07 15:58:49,697 INFO L354 Elim1Store]: treesize reduction 100, result has 20.0 percent of original size [2021-10-07 15:58:49,698 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 360 treesize of output 309 [2021-10-07 15:58:49,829 INFO L354 Elim1Store]: treesize reduction 28, result has 65.4 percent of original size [2021-10-07 15:58:49,829 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 364 treesize of output 404 [2021-10-07 15:59:03,062 INFO L354 Elim1Store]: treesize reduction 64, result has 48.8 percent of original size [2021-10-07 15:59:03,062 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 183 treesize of output 202 [2021-10-07 15:59:07,584 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:59:07,584 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-07 15:59:15,539 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:59:15,539 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-07 15:59:15,539 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [79508157] [2021-10-07 15:59:15,539 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [79508157] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-07 15:59:15,540 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-07 15:59:15,540 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 16 [2021-10-07 15:59:15,540 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921358648] [2021-10-07 15:59:15,540 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-10-07 15:59:15,540 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-07 15:59:15,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-10-07 15:59:15,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=243, Unknown=2, NotChecked=0, Total=306 [2021-10-07 15:59:15,541 INFO L87 Difference]: Start difference. First operand 24339 states and 101905 transitions. Second operand has 18 states, 17 states have (on average 1.6470588235294117) internal successors, (28), 17 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:59:29,984 WARN L207 SmtUtils]: Spent 7.81 s on a formula simplification that was a NOOP. DAG size: 53 [2021-10-07 15:59:43,485 WARN L207 SmtUtils]: Spent 6.54 s on a formula simplification that was a NOOP. DAG size: 67 Received shutdown request... [2021-10-07 16:02:22,351 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 [2021-10-07 16:02:22,352 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (25)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-10-07 16:02:23,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-10-07 16:02:23,254 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err1REQUIRES_VIOLATION [2021-10-07 16:02:23,264 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (25)] Forceful destruction successful, exit code 0 [2021-10-07 16:02:23,447 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 [2021-10-07 16:02:23,454 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-07 16:02:23,457 WARN L594 AbstractCegarLoop]: Verification canceled: while BasicCegarLoop was constructing difference of abstraction (24339states) and FLOYD_HOARE automaton (currently 26 states, 18 states before enhancement),while ReachableStatesComputation was computing reachable states (506 states constructed, input type IntersectNwa). [2021-10-07 16:02:23,459 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err0REQUIRES_VIOLATION [2021-10-07 16:02:23,459 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err1REQUIRES_VIOLATION [2021-10-07 16:02:23,459 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err2REQUIRES_VIOLATION [2021-10-07 16:02:23,459 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err3REQUIRES_VIOLATION [2021-10-07 16:02:23,460 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err4REQUIRES_VIOLATION [2021-10-07 16:02:23,460 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err5REQUIRES_VIOLATION [2021-10-07 16:02:23,460 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err6REQUIRES_VIOLATION [2021-10-07 16:02:23,460 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err7REQUIRES_VIOLATION [2021-10-07 16:02:23,460 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err0INUSE_VIOLATION [2021-10-07 16:02:23,460 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err4INUSE_VIOLATION [2021-10-07 16:02:23,460 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err0REQUIRES_VIOLATION [2021-10-07 16:02:23,461 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err1REQUIRES_VIOLATION [2021-10-07 16:02:23,461 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err0REQUIRES_VIOLATION [2021-10-07 16:02:23,461 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err1REQUIRES_VIOLATION [2021-10-07 16:02:23,461 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0REQUIRES_VIOLATION [2021-10-07 16:02:23,461 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1REQUIRES_VIOLATION [2021-10-07 16:02:23,461 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2REQUIRES_VIOLATION [2021-10-07 16:02:23,461 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3REQUIRES_VIOLATION [2021-10-07 16:02:23,461 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr4REQUIRES_VIOLATION [2021-10-07 16:02:23,461 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr5REQUIRES_VIOLATION [2021-10-07 16:02:23,462 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr6REQUIRES_VIOLATION [2021-10-07 16:02:23,462 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr7REQUIRES_VIOLATION [2021-10-07 16:02:23,462 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr8REQUIRES_VIOLATION [2021-10-07 16:02:23,462 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr9REQUIRES_VIOLATION [2021-10-07 16:02:23,462 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK [2021-10-07 16:02:23,462 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK [2021-10-07 16:02:23,463 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr6INUSE_VIOLATION [2021-10-07 16:02:23,463 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr8INUSE_VIOLATION [2021-10-07 16:02:23,463 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err0REQUIRES_VIOLATION [2021-10-07 16:02:23,463 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err1REQUIRES_VIOLATION [2021-10-07 16:02:23,463 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err2REQUIRES_VIOLATION [2021-10-07 16:02:23,463 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err3REQUIRES_VIOLATION [2021-10-07 16:02:23,464 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err4REQUIRES_VIOLATION [2021-10-07 16:02:23,464 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err5REQUIRES_VIOLATION [2021-10-07 16:02:23,464 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err6REQUIRES_VIOLATION [2021-10-07 16:02:23,464 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err7REQUIRES_VIOLATION [2021-10-07 16:02:23,464 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err3INUSE_VIOLATION [2021-10-07 16:02:23,464 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err5INUSE_VIOLATION [2021-10-07 16:02:23,464 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread5Err0REQUIRES_VIOLATION [2021-10-07 16:02:23,465 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread5Err1REQUIRES_VIOLATION [2021-10-07 16:02:23,465 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread6Err0REQUIRES_VIOLATION [2021-10-07 16:02:23,465 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread6Err1REQUIRES_VIOLATION [2021-10-07 16:02:23,465 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err0REQUIRES_VIOLATION [2021-10-07 16:02:23,465 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err1REQUIRES_VIOLATION [2021-10-07 16:02:23,465 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err2REQUIRES_VIOLATION [2021-10-07 16:02:23,466 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err3REQUIRES_VIOLATION [2021-10-07 16:02:23,466 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err4REQUIRES_VIOLATION [2021-10-07 16:02:23,466 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err5REQUIRES_VIOLATION [2021-10-07 16:02:23,466 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err6REQUIRES_VIOLATION [2021-10-07 16:02:23,466 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err7REQUIRES_VIOLATION [2021-10-07 16:02:23,466 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Thread1of1ForFork4Err2INUSE_VIOLATION [2021-10-07 16:02:23,466 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Thread1of1ForFork4Err9INUSE_VIOLATION [2021-10-07 16:02:23,467 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err0REQUIRES_VIOLATION [2021-10-07 16:02:23,467 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err0REQUIRES_VIOLATION [2021-10-07 16:02:23,467 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err1REQUIRES_VIOLATION [2021-10-07 16:02:23,467 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err0REQUIRES_VIOLATION [2021-10-07 16:02:23,467 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err1REQUIRES_VIOLATION [2021-10-07 16:02:23,467 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err2REQUIRES_VIOLATION [2021-10-07 16:02:23,468 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err3REQUIRES_VIOLATION [2021-10-07 16:02:23,468 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err4REQUIRES_VIOLATION [2021-10-07 16:02:23,468 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err5REQUIRES_VIOLATION [2021-10-07 16:02:23,468 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err6REQUIRES_VIOLATION [2021-10-07 16:02:23,468 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err7REQUIRES_VIOLATION [2021-10-07 16:02:23,468 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Thread1of1ForFork1Err1INUSE_VIOLATION [2021-10-07 16:02:23,469 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Thread1of1ForFork1Err7INUSE_VIOLATION [2021-10-07 16:02:23,469 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread5Err0REQUIRES_VIOLATION [2021-10-07 16:02:23,469 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread5Err1REQUIRES_VIOLATION [2021-10-07 16:02:23,469 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread6Err0REQUIRES_VIOLATION [2021-10-07 16:02:23,469 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread6Err1REQUIRES_VIOLATION [2021-10-07 16:02:23,477 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-07 16:02:23,477 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-07 16:02:23,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.10 04:02:23 BasicIcfg [2021-10-07 16:02:23,479 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-07 16:02:23,480 INFO L168 Benchmark]: Toolchain (without parser) took 791635.22 ms. Allocated memory was 165.7 MB in the beginning and 7.8 GB in the end (delta: 7.6 GB). Free memory was 139.7 MB in the beginning and 6.8 GB in the end (delta: -6.6 GB). Peak memory consumption was 1.0 GB. Max. memory is 8.0 GB. [2021-10-07 16:02:23,480 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 165.7 MB. Free memory is still 135.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-07 16:02:23,481 INFO L168 Benchmark]: CACSL2BoogieTranslator took 507.68 ms. Allocated memory is still 165.7 MB. Free memory was 139.4 MB in the beginning and 124.8 MB in the end (delta: 14.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-10-07 16:02:23,481 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.72 ms. Allocated memory is still 165.7 MB. Free memory was 124.8 MB in the beginning and 122.5 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-07 16:02:23,481 INFO L168 Benchmark]: Boogie Preprocessor took 87.70 ms. Allocated memory is still 165.7 MB. Free memory was 122.4 MB in the beginning and 120.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-07 16:02:23,482 INFO L168 Benchmark]: RCFGBuilder took 1588.03 ms. Allocated memory is still 165.7 MB. Free memory was 120.3 MB in the beginning and 119.6 MB in the end (delta: 699.4 kB). Peak memory consumption was 15.9 MB. Max. memory is 8.0 GB. [2021-10-07 16:02:23,482 INFO L168 Benchmark]: TraceAbstraction took 789357.16 ms. Allocated memory was 165.7 MB in the beginning and 7.8 GB in the end (delta: 7.6 GB). Free memory was 119.0 MB in the beginning and 6.8 GB in the end (delta: -6.6 GB). Peak memory consumption was 988.5 MB. Max. memory is 8.0 GB. [2021-10-07 16:02:23,484 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 165.7 MB. Free memory is still 135.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 507.68 ms. Allocated memory is still 165.7 MB. Free memory was 139.4 MB in the beginning and 124.8 MB in the end (delta: 14.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 70.72 ms. Allocated memory is still 165.7 MB. Free memory was 124.8 MB in the beginning and 122.5 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 87.70 ms. Allocated memory is still 165.7 MB. Free memory was 122.4 MB in the beginning and 120.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1588.03 ms. Allocated memory is still 165.7 MB. Free memory was 120.3 MB in the beginning and 119.6 MB in the end (delta: 699.4 kB). Peak memory consumption was 15.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 789357.16 ms. Allocated memory was 165.7 MB in the beginning and 7.8 GB in the end (delta: 7.6 GB). Free memory was 119.0 MB in the beginning and 6.8 GB in the end (delta: -6.6 GB). Peak memory consumption was 988.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 24301.0ms, 307 PlacesBefore, 127 PlacesAfterwards, 310 TransitionsBefore, 118 TransitionsAfterwards, 12980 CoEnabledTransitionPairs, 8 FixpointIterations, 146 TrivialSequentialCompositions, 79 ConcurrentSequentialCompositions, 20 TrivialYvCompositions, 18 ConcurrentYvCompositions, 12 ChoiceCompositions, 275 TotalNumberOfCompositions, 57196 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 32058, positive: 31415, positive conditional: 0, positive unconditional: 31415, negative: 643, negative conditional: 0, negative unconditional: 643, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8019, positive: 7906, positive conditional: 0, positive unconditional: 7906, negative: 113, negative conditional: 0, negative unconditional: 113, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 8019, positive: 7863, positive conditional: 0, positive unconditional: 7863, negative: 156, negative conditional: 0, negative unconditional: 156, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 156, positive: 43, positive conditional: 0, positive unconditional: 43, negative: 113, negative conditional: 0, negative unconditional: 113, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1971, positive: 182, positive conditional: 0, positive unconditional: 182, negative: 1790, negative conditional: 0, negative unconditional: 1790, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 32058, positive: 23509, positive conditional: 0, positive unconditional: 23509, negative: 530, negative conditional: 0, negative unconditional: 530, unknown: 8019, unknown conditional: 0, unknown unconditional: 8019] , Statistics on independence cache: Total cache size (in pairs): 1863, Positive cache size: 1803, Positive conditional cache size: 0, Positive unconditional cache size: 1803, Negative cache size: 60, Negative conditional cache size: 0, Negative unconditional cache size: 60 - 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: 51]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was constructing difference of abstraction (24339states) and FLOYD_HOARE automaton (currently 26 states, 18 states before enhancement),while ReachableStatesComputation was computing reachable states (506 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 75]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was constructing difference of abstraction (24339states) and FLOYD_HOARE automaton (currently 26 states, 18 states before enhancement),while ReachableStatesComputation was computing reachable states (506 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 75]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was constructing difference of abstraction (24339states) and FLOYD_HOARE automaton (currently 26 states, 18 states before enhancement),while ReachableStatesComputation was computing reachable states (506 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 76]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was constructing difference of abstraction (24339states) and FLOYD_HOARE automaton (currently 26 states, 18 states before enhancement),while ReachableStatesComputation was computing reachable states (506 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 76]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was constructing difference of abstraction (24339states) and FLOYD_HOARE automaton (currently 26 states, 18 states before enhancement),while ReachableStatesComputation was computing reachable states (506 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 77]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was constructing difference of abstraction (24339states) and FLOYD_HOARE automaton (currently 26 states, 18 states before enhancement),while ReachableStatesComputation was computing reachable states (506 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 77]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was constructing difference of abstraction (24339states) and FLOYD_HOARE automaton (currently 26 states, 18 states before enhancement),while ReachableStatesComputation was computing reachable states (506 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 78]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was constructing difference of abstraction (24339states) and FLOYD_HOARE automaton (currently 26 states, 18 states before enhancement),while ReachableStatesComputation was computing reachable states (506 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 78]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was constructing difference of abstraction (24339states) and FLOYD_HOARE automaton (currently 26 states, 18 states before enhancement),while ReachableStatesComputation was computing reachable states (506 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 76]: 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 (24339states) and FLOYD_HOARE automaton (currently 26 states, 18 states before enhancement),while ReachableStatesComputation was computing reachable states (506 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 75]: 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 (24339states) and FLOYD_HOARE automaton (currently 26 states, 18 states before enhancement),while ReachableStatesComputation was computing reachable states (506 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 51]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was constructing difference of abstraction (24339states) and FLOYD_HOARE automaton (currently 26 states, 18 states before enhancement),while ReachableStatesComputation was computing reachable states (506 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 64]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was constructing difference of abstraction (24339states) and FLOYD_HOARE automaton (currently 26 states, 18 states before enhancement),while ReachableStatesComputation was computing reachable states (506 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 64]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was constructing difference of abstraction (24339states) and FLOYD_HOARE automaton (currently 26 states, 18 states before enhancement),while ReachableStatesComputation was computing reachable states (506 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 163]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was constructing difference of abstraction (24339states) and FLOYD_HOARE automaton (currently 26 states, 18 states before enhancement),while ReachableStatesComputation was computing reachable states (506 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 163]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was constructing difference of abstraction (24339states) and FLOYD_HOARE automaton (currently 26 states, 18 states before enhancement),while ReachableStatesComputation was computing reachable states (506 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 146]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was constructing difference of abstraction (24339states) and FLOYD_HOARE automaton (currently 26 states, 18 states before enhancement),while ReachableStatesComputation was computing reachable states (506 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 146]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was constructing difference of abstraction (24339states) and FLOYD_HOARE automaton (currently 26 states, 18 states before enhancement),while ReachableStatesComputation was computing reachable states (506 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 147]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was constructing difference of abstraction (24339states) and FLOYD_HOARE automaton (currently 26 states, 18 states before enhancement),while ReachableStatesComputation was computing reachable states (506 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 147]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was constructing difference of abstraction (24339states) and FLOYD_HOARE automaton (currently 26 states, 18 states before enhancement),while ReachableStatesComputation was computing reachable states (506 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 148]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was constructing difference of abstraction (24339states) and FLOYD_HOARE automaton (currently 26 states, 18 states before enhancement),while ReachableStatesComputation was computing reachable states (506 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 148]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was constructing difference of abstraction (24339states) and FLOYD_HOARE automaton (currently 26 states, 18 states before enhancement),while ReachableStatesComputation was computing reachable states (506 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 149]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was constructing difference of abstraction (24339states) and FLOYD_HOARE automaton (currently 26 states, 18 states before enhancement),while ReachableStatesComputation was computing reachable states (506 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 149]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was constructing difference of abstraction (24339states) and FLOYD_HOARE automaton (currently 26 states, 18 states before enhancement),while ReachableStatesComputation was computing reachable states (506 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 152]: Timeout (TraceAbstraction) Unable to prove that all allocated memory was freed Cancelled while BasicCegarLoop was constructing difference of abstraction (24339states) and FLOYD_HOARE automaton (currently 26 states, 18 states before enhancement),while ReachableStatesComputation was computing reachable states (506 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 126]: Timeout (TraceAbstraction) Unable to prove that all allocated memory was freed Cancelled while BasicCegarLoop was constructing difference of abstraction (24339states) and FLOYD_HOARE automaton (currently 26 states, 18 states before enhancement),while ReachableStatesComputation was computing reachable states (506 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 146]: 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 (24339states) and FLOYD_HOARE automaton (currently 26 states, 18 states before enhancement),while ReachableStatesComputation was computing reachable states (506 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 147]: 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 (24339states) and FLOYD_HOARE automaton (currently 26 states, 18 states before enhancement),while ReachableStatesComputation was computing reachable states (506 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 115]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was constructing difference of abstraction (24339states) and FLOYD_HOARE automaton (currently 26 states, 18 states before enhancement),while ReachableStatesComputation was computing reachable states (506 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 115]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was constructing difference of abstraction (24339states) and FLOYD_HOARE automaton (currently 26 states, 18 states before enhancement),while ReachableStatesComputation was computing reachable states (506 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 116]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was constructing difference of abstraction (24339states) and FLOYD_HOARE automaton (currently 26 states, 18 states before enhancement),while ReachableStatesComputation was computing reachable states (506 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 116]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was constructing difference of abstraction (24339states) and FLOYD_HOARE automaton (currently 26 states, 18 states before enhancement),while ReachableStatesComputation was computing reachable states (506 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 117]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was constructing difference of abstraction (24339states) and FLOYD_HOARE automaton (currently 26 states, 18 states before enhancement),while ReachableStatesComputation was computing reachable states (506 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 117]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was constructing difference of abstraction (24339states) and FLOYD_HOARE automaton (currently 26 states, 18 states before enhancement),while ReachableStatesComputation was computing reachable states (506 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 118]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was constructing difference of abstraction (24339states) and FLOYD_HOARE automaton (currently 26 states, 18 states before enhancement),while ReachableStatesComputation was computing reachable states (506 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 118]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was constructing difference of abstraction (24339states) and FLOYD_HOARE automaton (currently 26 states, 18 states before enhancement),while ReachableStatesComputation was computing reachable states (506 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 116]: 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 (24339states) and FLOYD_HOARE automaton (currently 26 states, 18 states before enhancement),while ReachableStatesComputation was computing reachable states (506 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 115]: 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 (24339states) and FLOYD_HOARE automaton (currently 26 states, 18 states before enhancement),while ReachableStatesComputation was computing reachable states (506 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 91]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was constructing difference of abstraction (24339states) and FLOYD_HOARE automaton (currently 26 states, 18 states before enhancement),while ReachableStatesComputation was computing reachable states (506 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 91]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was constructing difference of abstraction (24339states) and FLOYD_HOARE automaton (currently 26 states, 18 states before enhancement),while ReachableStatesComputation was computing reachable states (506 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 104]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was constructing difference of abstraction (24339states) and FLOYD_HOARE automaton (currently 26 states, 18 states before enhancement),while ReachableStatesComputation was computing reachable states (506 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 104]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds Cancelled while BasicCegarLoop was constructing difference of abstraction (24339states) and FLOYD_HOARE automaton (currently 26 states, 18 states before enhancement),while ReachableStatesComputation was computing reachable states (506 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 75]: 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 (24339states) and FLOYD_HOARE automaton (currently 26 states, 18 states before enhancement),while ReachableStatesComputation was computing reachable states (506 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 76]: 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 (24339states) and FLOYD_HOARE automaton (currently 26 states, 18 states before enhancement),while ReachableStatesComputation was computing reachable states (506 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 115]: 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 (24339states) and FLOYD_HOARE automaton (currently 26 states, 18 states before enhancement),while ReachableStatesComputation was computing reachable states (506 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 116]: 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 (24339states) and FLOYD_HOARE automaton (currently 26 states, 18 states before enhancement),while ReachableStatesComputation was computing reachable states (506 states constructed, input type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 13 procedures, 383 locations, 70 error locations. Started 1 CEGAR loops. OverallTime: 789109.2ms, OverallIterations: 22, TraceHistogramMax: 6, EmptinessCheckTime: 211.5ms, AutomataDifference: 528923.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 28513.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1984 SDtfs, 7095 SDslu, 5509 SDs, 0 SdLazy, 5250 SolverSat, 686 SolverUnsat, 131 SolverUnknown, 0 SolverNotchecked, 345423.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 421 GetRequests, 234 SyntacticMatches, 12 SemanticMatches, 175 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 411 ImplicationChecksByTransitivity, 191661.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=58810occurred in iteration=0, InterpolantAutomatonStates: 149, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 42723.7ms AutomataMinimizationTime, 21 MinimizatonAttempts, 197400 StatesRemovedByMinimization, 19 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 253.6ms SsaConstructionTime, 1069.9ms SatisfiabilityAnalysisTime, 174122.7ms InterpolantComputationTime, 189 NumberOfCodeBlocks, 189 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 334 ConstructedInterpolants, 86 QuantifiedInterpolants, 10014 SizeOfPredicates, 190 NumberOfNonLiveVariables, 1582 ConjunctsInSsa, 199 ConjunctsInUnsatCore, 44 InterpolantComputations, 34 PerfectInterpolantSequences, 6/82 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